diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4209 |
1 files changed, 2887 insertions, 1322 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a2cdde0ca0a7..58c3ffe707d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -25,6 +25,8 @@ * Alex Deucher * Jerome Glisse */ + +#include <linux/aperture.h> #include <linux/power_supply.h> #include <linux/kthread.h> #include <linux/module.h> @@ -32,17 +34,15 @@ #include <linux/slab.h> #include <linux/iommu.h> #include <linux/pci.h> -#include <linux/devcoredump.h> -#include <generated/utsrelease.h> #include <linux/pci-p2pdma.h> #include <linux/apple-gmux.h> -#include <drm/drm_aperture.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_client_event.h> #include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_helper.h> #include <drm/drm_probe_helper.h> #include <drm/amdgpu_drm.h> +#include <linux/device.h> #include <linux/vgaarb.h> #include <linux/vga_switcheroo.h> #include <linux/efi.h> @@ -71,9 +71,12 @@ #include "amdgpu_xgmi.h" #include "amdgpu_ras.h" +#include "amdgpu_ras_mgr.h" #include "amdgpu_pmu.h" #include "amdgpu_fru_eeprom.h" #include "amdgpu_reset.h" +#include "amdgpu_virt.h" +#include "amdgpu_dev_coredump.h" #include <linux/suspend.h> #include <drm/task_barrier.h> @@ -83,6 +86,7 @@ #if IS_ENABLED(CONFIG_X86) #include <asm/intel-family.h> +#include <asm/cpu_device_id.h> #endif MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); @@ -92,10 +96,17 @@ MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); +MODULE_FIRMWARE("amdgpu/cyan_skillfish_gpu_info.bin"); #define AMDGPU_RESUME_MS 2000 #define AMDGPU_MAX_RETRY_LIMIT 2 #define AMDGPU_RETRY_SRIOV_RESET(r) ((r) == -EBUSY || (r) == -ETIMEDOUT || (r) == -EINVAL) +#define AMDGPU_PCIE_INDEX_FALLBACK (0x38 >> 2) +#define AMDGPU_PCIE_INDEX_HI_FALLBACK (0x44 >> 2) +#define AMDGPU_PCIE_DATA_FALLBACK (0x3C >> 2) + +#define AMDGPU_VBIOS_SKIP (1U << 0) +#define AMDGPU_VBIOS_OPTIONAL (1U << 1) static const struct drm_driver amdgpu_kms_driver; @@ -140,13 +151,76 @@ const char *amdgpu_asic_name[] = { "LAST", }; +#define AMDGPU_IP_BLK_MASK_ALL GENMASK(AMD_IP_BLOCK_TYPE_NUM - 1, 0) +/* + * Default init level where all blocks are expected to be initialized. This is + * the level of initialization expected by default and also after a full reset + * of the device. + */ +struct amdgpu_init_level amdgpu_init_default = { + .level = AMDGPU_INIT_LEVEL_DEFAULT, + .hwini_ip_block_mask = AMDGPU_IP_BLK_MASK_ALL, +}; + +struct amdgpu_init_level amdgpu_init_recovery = { + .level = AMDGPU_INIT_LEVEL_RESET_RECOVERY, + .hwini_ip_block_mask = AMDGPU_IP_BLK_MASK_ALL, +}; + +/* + * Minimal blocks needed to be initialized before a XGMI hive can be reset. This + * is used for cases like reset on initialization where the entire hive needs to + * be reset before first use. + */ +struct amdgpu_init_level amdgpu_init_minimal_xgmi = { + .level = AMDGPU_INIT_LEVEL_MINIMAL_XGMI, + .hwini_ip_block_mask = + BIT(AMD_IP_BLOCK_TYPE_GMC) | BIT(AMD_IP_BLOCK_TYPE_SMC) | + BIT(AMD_IP_BLOCK_TYPE_COMMON) | BIT(AMD_IP_BLOCK_TYPE_IH) | + BIT(AMD_IP_BLOCK_TYPE_PSP) +}; + +static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev); +static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev); +static int amdgpu_device_ip_resume_phase3(struct amdgpu_device *adev); + +static void amdgpu_device_load_switch_state(struct amdgpu_device *adev); + +static inline bool amdgpu_ip_member_of_hwini(struct amdgpu_device *adev, + enum amd_ip_block_type block) +{ + return (adev->init_lvl->hwini_ip_block_mask & (1U << block)) != 0; +} + +void amdgpu_set_init_level(struct amdgpu_device *adev, + enum amdgpu_init_lvl_id lvl) +{ + switch (lvl) { + case AMDGPU_INIT_LEVEL_MINIMAL_XGMI: + adev->init_lvl = &amdgpu_init_minimal_xgmi; + break; + case AMDGPU_INIT_LEVEL_RESET_RECOVERY: + adev->init_lvl = &amdgpu_init_recovery; + break; + case AMDGPU_INIT_LEVEL_DEFAULT: + fallthrough; + default: + adev->init_lvl = &amdgpu_init_default; + break; + } +} + +static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev); +static int amdgpu_device_pm_notifier(struct notifier_block *nb, unsigned long mode, + void *data); + /** * DOC: pcie_replay_count * * The amdgpu driver provides a sysfs API for reporting the total number - * of PCIe replays (NAKs) + * of PCIe replays (NAKs). * The file pcie_replay_count is used for this and returns the total - * number of replays as a sum of the NAKs generated and NAKs received + * number of replays as a sum of the NAKs generated and NAKs received. */ static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, @@ -159,89 +233,202 @@ static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, return sysfs_emit(buf, "%llu\n", cnt); } -static DEVICE_ATTR(pcie_replay_count, S_IRUGO, +static DEVICE_ATTR(pcie_replay_count, 0444, amdgpu_device_get_pcie_replay_count, NULL); -static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); +static int amdgpu_device_attr_sysfs_init(struct amdgpu_device *adev) +{ + int ret = 0; -/** - * DOC: product_name - * - * The amdgpu driver provides a sysfs API for reporting the product name - * for the device - * The file product_name is used for this and returns the product name - * as returned from the FRU. - * NOTE: This is only available for certain server cards - */ + if (amdgpu_nbio_is_replay_cnt_supported(adev)) + ret = sysfs_create_file(&adev->dev->kobj, + &dev_attr_pcie_replay_count.attr); -static ssize_t amdgpu_device_get_product_name(struct device *dev, - struct device_attribute *attr, char *buf) + return ret; +} + +static void amdgpu_device_attr_sysfs_fini(struct amdgpu_device *adev) +{ + if (amdgpu_nbio_is_replay_cnt_supported(adev)) + sysfs_remove_file(&adev->dev->kobj, + &dev_attr_pcie_replay_count.attr); +} + +static ssize_t amdgpu_sysfs_reg_state_get(struct file *f, struct kobject *kobj, + const struct bin_attribute *attr, char *buf, + loff_t ppos, size_t count) { + struct device *dev = kobj_to_dev(kobj); struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t bytes_read; + + switch (ppos) { + case AMDGPU_SYS_REG_STATE_XGMI: + bytes_read = amdgpu_asic_get_reg_state( + adev, AMDGPU_REG_STATE_TYPE_XGMI, buf, count); + break; + case AMDGPU_SYS_REG_STATE_WAFL: + bytes_read = amdgpu_asic_get_reg_state( + adev, AMDGPU_REG_STATE_TYPE_WAFL, buf, count); + break; + case AMDGPU_SYS_REG_STATE_PCIE: + bytes_read = amdgpu_asic_get_reg_state( + adev, AMDGPU_REG_STATE_TYPE_PCIE, buf, count); + break; + case AMDGPU_SYS_REG_STATE_USR: + bytes_read = amdgpu_asic_get_reg_state( + adev, AMDGPU_REG_STATE_TYPE_USR, buf, count); + break; + case AMDGPU_SYS_REG_STATE_USR_1: + bytes_read = amdgpu_asic_get_reg_state( + adev, AMDGPU_REG_STATE_TYPE_USR_1, buf, count); + break; + default: + return -EINVAL; + } + + return bytes_read; +} + +static const BIN_ATTR(reg_state, 0444, amdgpu_sysfs_reg_state_get, NULL, + AMDGPU_SYS_REG_STATE_END); + +int amdgpu_reg_state_sysfs_init(struct amdgpu_device *adev) +{ + int ret; + + if (!amdgpu_asic_get_reg_state_supported(adev)) + return 0; + + ret = sysfs_create_bin_file(&adev->dev->kobj, &bin_attr_reg_state); + + return ret; +} + +void amdgpu_reg_state_sysfs_fini(struct amdgpu_device *adev) +{ + if (!amdgpu_asic_get_reg_state_supported(adev)) + return; + sysfs_remove_bin_file(&adev->dev->kobj, &bin_attr_reg_state); +} + +int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block) +{ + int r; + + if (ip_block->version->funcs->suspend) { + r = ip_block->version->funcs->suspend(ip_block); + if (r) { + dev_err(ip_block->adev->dev, + "suspend of IP block <%s> failed %d\n", + ip_block->version->funcs->name, r); + return r; + } + } - return sysfs_emit(buf, "%s\n", adev->product_name); + ip_block->status.hw = false; + return 0; } -static DEVICE_ATTR(product_name, S_IRUGO, - amdgpu_device_get_product_name, NULL); +int amdgpu_ip_block_resume(struct amdgpu_ip_block *ip_block) +{ + int r; + + if (ip_block->version->funcs->resume) { + r = ip_block->version->funcs->resume(ip_block); + if (r) { + dev_err(ip_block->adev->dev, + "resume of IP block <%s> failed %d\n", + ip_block->version->funcs->name, r); + return r; + } + } + + ip_block->status.hw = true; + return 0; +} /** - * DOC: product_number + * DOC: board_info + * + * The amdgpu driver provides a sysfs API for giving board related information. + * It provides the form factor information in the format + * + * type : form factor + * + * Possible form factor values + * + * - "cem" - PCIE CEM card + * - "oam" - Open Compute Accelerator Module + * - "unknown" - Not known * - * The amdgpu driver provides a sysfs API for reporting the part number - * for the device - * The file product_number is used for this and returns the part number - * as returned from the FRU. - * NOTE: This is only available for certain server cards */ -static ssize_t amdgpu_device_get_product_number(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t amdgpu_device_get_board_info(struct device *dev, + struct device_attribute *attr, + char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); + enum amdgpu_pkg_type pkg_type = AMDGPU_PKG_TYPE_CEM; + const char *pkg; + + if (adev->smuio.funcs && adev->smuio.funcs->get_pkg_type) + pkg_type = adev->smuio.funcs->get_pkg_type(adev); + + switch (pkg_type) { + case AMDGPU_PKG_TYPE_CEM: + pkg = "cem"; + break; + case AMDGPU_PKG_TYPE_OAM: + pkg = "oam"; + break; + default: + pkg = "unknown"; + break; + } - return sysfs_emit(buf, "%s\n", adev->product_number); + return sysfs_emit(buf, "%s : %s\n", "type", pkg); } -static DEVICE_ATTR(product_number, S_IRUGO, - amdgpu_device_get_product_number, NULL); +static DEVICE_ATTR(board_info, 0444, amdgpu_device_get_board_info, NULL); -/** - * DOC: serial_number - * - * The amdgpu driver provides a sysfs API for reporting the serial number - * for the device - * The file serial_number is used for this and returns the serial number - * as returned from the FRU. - * NOTE: This is only available for certain server cards - */ +static struct attribute *amdgpu_board_attrs[] = { + &dev_attr_board_info.attr, + NULL, +}; -static ssize_t amdgpu_device_get_serial_number(struct device *dev, - struct device_attribute *attr, char *buf) +static umode_t amdgpu_board_attrs_is_visible(struct kobject *kobj, + struct attribute *attr, int n) { + struct device *dev = kobj_to_dev(kobj); struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); - return sysfs_emit(buf, "%s\n", adev->serial); + if (adev->flags & AMD_IS_APU) + return 0; + + return attr->mode; } -static DEVICE_ATTR(serial_number, S_IRUGO, - amdgpu_device_get_serial_number, NULL); +static const struct attribute_group amdgpu_board_attrs_group = { + .attrs = amdgpu_board_attrs, + .is_visible = amdgpu_board_attrs_is_visible +}; + +static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); /** * amdgpu_device_supports_px - Is the device a dGPU with ATPX power control * - * @dev: drm_device pointer + * @adev: amdgpu device pointer * * Returns true if the device is a dGPU with ATPX power control, * otherwise return false. */ -bool amdgpu_device_supports_px(struct drm_device *dev) +bool amdgpu_device_supports_px(struct amdgpu_device *adev) { - struct amdgpu_device *adev = drm_to_adev(dev); - if ((adev->flags & AMD_IS_PX) && !amdgpu_is_atpx_hybrid()) return true; return false; @@ -250,14 +437,15 @@ bool amdgpu_device_supports_px(struct drm_device *dev) /** * amdgpu_device_supports_boco - Is the device a dGPU with ACPI power resources * - * @dev: drm_device pointer + * @adev: amdgpu device pointer * * Returns true if the device is a dGPU with ACPI power control, * otherwise return false. */ -bool amdgpu_device_supports_boco(struct drm_device *dev) +bool amdgpu_device_supports_boco(struct amdgpu_device *adev) { - struct amdgpu_device *adev = drm_to_adev(dev); + if (!IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE)) + return false; if (adev->has_pr3 || ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) @@ -268,30 +456,105 @@ bool amdgpu_device_supports_boco(struct drm_device *dev) /** * amdgpu_device_supports_baco - Does the device support BACO * - * @dev: drm_device pointer + * @adev: amdgpu device pointer * - * Returns true if the device supporte BACO, - * otherwise return false. + * Return: + * 1 if the device supports BACO; + * 3 if the device supports MACO (only works if BACO is supported) + * otherwise return 0. */ -bool amdgpu_device_supports_baco(struct drm_device *dev) +int amdgpu_device_supports_baco(struct amdgpu_device *adev) { - struct amdgpu_device *adev = drm_to_adev(dev); - return amdgpu_asic_supports_baco(adev); } +void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev) +{ + int bamaco_support; + + adev->pm.rpm_mode = AMDGPU_RUNPM_NONE; + bamaco_support = amdgpu_device_supports_baco(adev); + + switch (amdgpu_runtime_pm) { + case 2: + if (bamaco_support & MACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO; + dev_info(adev->dev, "Forcing BAMACO for runtime pm\n"); + } else if (bamaco_support == BACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + dev_info(adev->dev, "Requested mode BAMACO not available,fallback to use BACO\n"); + } + break; + case 1: + if (bamaco_support & BACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + dev_info(adev->dev, "Forcing BACO for runtime pm\n"); + } + break; + case -1: + case -2: + if (amdgpu_device_supports_px(adev)) { + /* enable PX as runtime mode */ + adev->pm.rpm_mode = AMDGPU_RUNPM_PX; + dev_info(adev->dev, "Using ATPX for runtime pm\n"); + } else if (amdgpu_device_supports_boco(adev)) { + /* enable boco as runtime mode */ + adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO; + dev_info(adev->dev, "Using BOCO for runtime pm\n"); + } else { + if (!bamaco_support) + goto no_runtime_pm; + + switch (adev->asic_type) { + case CHIP_VEGA20: + case CHIP_ARCTURUS: + /* BACO are not supported on vega20 and arctrus */ + break; + case CHIP_VEGA10: + /* enable BACO as runpm mode if noretry=0 */ + if (!adev->gmc.noretry && !amdgpu_passthrough(adev)) + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + break; + default: + /* enable BACO as runpm mode on CI+ */ + if (!amdgpu_passthrough(adev)) + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + break; + } + + if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) { + if (bamaco_support & MACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO; + dev_info(adev->dev, "Using BAMACO for runtime pm\n"); + } else { + dev_info(adev->dev, "Using BACO for runtime pm\n"); + } + } + } + break; + case 0: + dev_info(adev->dev, "runtime pm is manually disabled\n"); + break; + default: + break; + } + +no_runtime_pm: + if (adev->pm.rpm_mode == AMDGPU_RUNPM_NONE) + dev_info(adev->dev, "Runtime PM not available\n"); +} /** * amdgpu_device_supports_smart_shift - Is the device dGPU with * smart shift support * - * @dev: drm_device pointer + * @adev: amdgpu device pointer * * Returns true if the device is a dGPU with Smart Shift support, * otherwise returns false. */ -bool amdgpu_device_supports_smart_shift(struct drm_device *dev) +bool amdgpu_device_supports_smart_shift(struct amdgpu_device *adev) { - return (amdgpu_device_supports_boco(dev) && + return (amdgpu_device_supports_boco(adev) && amdgpu_acpi_is_power_shift_control_supported()); } @@ -342,7 +605,7 @@ void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos, } /** - * amdgpu_device_aper_access - access vram by vram aperature + * amdgpu_device_aper_access - access vram by vram aperture * * @adev: amdgpu_device pointer * @pos: offset of the buffer in vram @@ -370,10 +633,16 @@ size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos, if (write) { memcpy_toio(addr, buf, count); + /* Make sure HDP write cache flush happens without any reordering + * after the system memory contents are sent over PCIe device + */ mb(); amdgpu_device_flush_hdp(adev, NULL); } else { amdgpu_device_invalidate_hdp(adev, NULL); + /* Make sure HDP read cache is invalidated before issuing a read + * to the PCIe device + */ mb(); memcpy_fromio(buf, addr, count); } @@ -427,7 +696,7 @@ bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev) * here is that the GPU reset is not running on another thread in parallel. * * For this we trylock the read side of the reset semaphore, if that succeeds - * we know that the reset is not running in paralell. + * we know that the reset is not running in parallel. * * If the trylock fails we assert that we are either already holding the read * side of the lock or are the reset thread itself and hold the write side of @@ -464,7 +733,7 @@ uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev) && down_read_trylock(&adev->reset_domain->sem)) { - ret = amdgpu_kiq_rreg(adev, reg); + ret = amdgpu_kiq_rreg(adev, reg, 0); up_read(&adev->reset_domain->sem); } else { ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); @@ -481,8 +750,7 @@ uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, /* * MMIO register read with bytes helper functions * @offset:bytes offset from MMIO start - * -*/ + */ /** * amdgpu_mm_rreg8 - read a memory mapped IO register @@ -502,12 +770,55 @@ uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) BUG(); } + +/** + * amdgpu_device_xcc_rreg - read a memory mapped IO or indirect register with specific XCC + * + * @adev: amdgpu_device pointer + * @reg: dword aligned register offset + * @acc_flags: access flags which require special behavior + * @xcc_id: xcc accelerated compute core id + * + * Returns the 32 bit value from the offset specified. + */ +uint32_t amdgpu_device_xcc_rreg(struct amdgpu_device *adev, + uint32_t reg, uint32_t acc_flags, + uint32_t xcc_id) +{ + uint32_t ret, rlcg_flag; + + if (amdgpu_device_skip_hw_access(adev)) + return 0; + + if ((reg * 4) < adev->rmmio_size) { + if (amdgpu_sriov_vf(adev) && + !amdgpu_sriov_runtime(adev) && + adev->gfx.rlc.rlcg_reg_access_supported && + amdgpu_virt_get_rlcg_reg_access_flag(adev, acc_flags, + GC_HWIP, false, + &rlcg_flag)) { + ret = amdgpu_virt_rlcg_reg_rw(adev, reg, 0, rlcg_flag, GET_INST(GC, xcc_id)); + } else if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && + amdgpu_sriov_runtime(adev) && + down_read_trylock(&adev->reset_domain->sem)) { + ret = amdgpu_kiq_rreg(adev, reg, xcc_id); + up_read(&adev->reset_domain->sem); + } else { + ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); + } + } else { + ret = adev->pcie_rreg(adev, reg * 4); + } + + return ret; +} + /* * MMIO register write with bytes helper functions * @offset:bytes offset from MMIO start * @value: the value want to be written to the register - * -*/ + */ + /** * amdgpu_mm_wreg8 - read a memory mapped IO register * @@ -549,7 +860,7 @@ void amdgpu_device_wreg(struct amdgpu_device *adev, if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev) && down_read_trylock(&adev->reset_domain->sem)) { - amdgpu_kiq_wreg(adev, reg, v); + amdgpu_kiq_wreg(adev, reg, v, 0); up_read(&adev->reset_domain->sem); } else { writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); @@ -567,11 +878,13 @@ void amdgpu_device_wreg(struct amdgpu_device *adev, * @adev: amdgpu_device pointer * @reg: mmio/rlc register * @v: value to write + * @xcc_id: xcc accelerated compute core id * * this function is invoked only for the debugfs register access */ void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, - uint32_t reg, uint32_t v) + uint32_t reg, uint32_t v, + uint32_t xcc_id) { if (amdgpu_device_skip_hw_access(adev)) return; @@ -580,7 +893,7 @@ void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, adev->gfx.rlc.funcs && adev->gfx.rlc.funcs->is_rlcg_access_range) { if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) - return amdgpu_sriov_wreg(adev, reg, v, 0, 0); + return amdgpu_sriov_wreg(adev, reg, v, 0, 0, xcc_id); } else if ((reg * 4) >= adev->rmmio_size) { adev->pcie_wreg(adev, reg * 4, v); } else { @@ -589,90 +902,43 @@ void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, } /** - * amdgpu_mm_rdoorbell - read a doorbell dword - * - * @adev: amdgpu_device pointer - * @index: doorbell index - * - * Returns the value in the doorbell aperture at the - * requested doorbell index (CIK). - */ -u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) -{ - if (amdgpu_device_skip_hw_access(adev)) - return 0; - - if (index < adev->doorbell.num_kernel_doorbells) { - return readl(adev->doorbell.ptr + index); - } else { - DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); - return 0; - } -} - -/** - * amdgpu_mm_wdoorbell - write a doorbell dword - * - * @adev: amdgpu_device pointer - * @index: doorbell index - * @v: value to write - * - * Writes @v to the doorbell aperture at the - * requested doorbell index (CIK). - */ -void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) -{ - if (amdgpu_device_skip_hw_access(adev)) - return; - - if (index < adev->doorbell.num_kernel_doorbells) { - writel(v, adev->doorbell.ptr + index); - } else { - DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); - } -} - -/** - * amdgpu_mm_rdoorbell64 - read a doorbell Qword + * amdgpu_device_xcc_wreg - write to a memory mapped IO or indirect register with specific XCC * * @adev: amdgpu_device pointer - * @index: doorbell index + * @reg: dword aligned register offset + * @v: 32 bit value to write to the register + * @acc_flags: access flags which require special behavior + * @xcc_id: xcc accelerated compute core id * - * Returns the value in the doorbell aperture at the - * requested doorbell index (VEGA10+). + * Writes the value specified to the offset specified. */ -u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) +void amdgpu_device_xcc_wreg(struct amdgpu_device *adev, + uint32_t reg, uint32_t v, + uint32_t acc_flags, uint32_t xcc_id) { - if (amdgpu_device_skip_hw_access(adev)) - return 0; + uint32_t rlcg_flag; - if (index < adev->doorbell.num_kernel_doorbells) { - return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); - } else { - DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); - return 0; - } -} - -/** - * amdgpu_mm_wdoorbell64 - write a doorbell Qword - * - * @adev: amdgpu_device pointer - * @index: doorbell index - * @v: value to write - * - * Writes @v to the doorbell aperture at the - * requested doorbell index (VEGA10+). - */ -void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) -{ if (amdgpu_device_skip_hw_access(adev)) return; - if (index < adev->doorbell.num_kernel_doorbells) { - atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); + if ((reg * 4) < adev->rmmio_size) { + if (amdgpu_sriov_vf(adev) && + !amdgpu_sriov_runtime(adev) && + adev->gfx.rlc.rlcg_reg_access_supported && + amdgpu_virt_get_rlcg_reg_access_flag(adev, acc_flags, + GC_HWIP, true, + &rlcg_flag)) { + amdgpu_virt_rlcg_reg_rw(adev, reg, v, rlcg_flag, GET_INST(GC, xcc_id)); + } else if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && + amdgpu_sriov_runtime(adev) && + down_read_trylock(&adev->reset_domain->sem)) { + amdgpu_kiq_wreg(adev, reg, v, xcc_id); + up_read(&adev->reset_domain->sem); + } else { + writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); + } } else { - DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); + adev->pcie_wreg(adev, reg * 4, v); } } @@ -716,12 +982,22 @@ u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev, void __iomem *pcie_index_hi_offset; void __iomem *pcie_data_offset; - pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); - pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); - if (adev->nbio.funcs->get_pcie_index_hi_offset) - pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); - else + if (unlikely(!adev->nbio.funcs)) { + pcie_index = AMDGPU_PCIE_INDEX_FALLBACK; + pcie_data = AMDGPU_PCIE_DATA_FALLBACK; + } else { + pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); + pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); + } + + if (reg_addr >> 32) { + if (unlikely(!adev->nbio.funcs)) + pcie_index_hi = AMDGPU_PCIE_INDEX_HI_FALLBACK; + else + pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); + } else { pcie_index_hi = 0; + } spin_lock_irqsave(&adev->pcie_idx_lock, flags); pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; @@ -785,6 +1061,56 @@ u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, return r; } +u64 amdgpu_device_indirect_rreg64_ext(struct amdgpu_device *adev, + u64 reg_addr) +{ + unsigned long flags, pcie_index, pcie_data; + unsigned long pcie_index_hi = 0; + void __iomem *pcie_index_offset; + void __iomem *pcie_index_hi_offset; + void __iomem *pcie_data_offset; + u64 r; + + pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); + pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); + if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) + pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); + + spin_lock_irqsave(&adev->pcie_idx_lock, flags); + pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; + pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; + if (pcie_index_hi != 0) + pcie_index_hi_offset = (void __iomem *)adev->rmmio + + pcie_index_hi * 4; + + /* read low 32 bits */ + writel(reg_addr, pcie_index_offset); + readl(pcie_index_offset); + if (pcie_index_hi != 0) { + writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); + readl(pcie_index_hi_offset); + } + r = readl(pcie_data_offset); + /* read high 32 bits */ + writel(reg_addr + 4, pcie_index_offset); + readl(pcie_index_offset); + if (pcie_index_hi != 0) { + writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); + readl(pcie_index_hi_offset); + } + r |= ((u64)readl(pcie_data_offset) << 32); + + /* clear the high bits */ + if (pcie_index_hi != 0) { + writel(0, pcie_index_hi_offset); + readl(pcie_index_hi_offset); + } + + spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); + + return r; +} + /** * amdgpu_device_indirect_wreg - write an indirect register address * @@ -824,7 +1150,7 @@ void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev, pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); - if (adev->nbio.funcs->get_pcie_index_hi_offset) + if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); else pcie_index_hi = 0; @@ -889,6 +1215,55 @@ void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); } +void amdgpu_device_indirect_wreg64_ext(struct amdgpu_device *adev, + u64 reg_addr, u64 reg_data) +{ + unsigned long flags, pcie_index, pcie_data; + unsigned long pcie_index_hi = 0; + void __iomem *pcie_index_offset; + void __iomem *pcie_index_hi_offset; + void __iomem *pcie_data_offset; + + pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); + pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); + if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) + pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); + + spin_lock_irqsave(&adev->pcie_idx_lock, flags); + pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; + pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; + if (pcie_index_hi != 0) + pcie_index_hi_offset = (void __iomem *)adev->rmmio + + pcie_index_hi * 4; + + /* write low 32 bits */ + writel(reg_addr, pcie_index_offset); + readl(pcie_index_offset); + if (pcie_index_hi != 0) { + writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); + readl(pcie_index_hi_offset); + } + writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); + readl(pcie_data_offset); + /* write high 32 bits */ + writel(reg_addr + 4, pcie_index_offset); + readl(pcie_index_offset); + if (pcie_index_hi != 0) { + writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); + readl(pcie_index_hi_offset); + } + writel((u32)(reg_data >> 32), pcie_data_offset); + readl(pcie_data_offset); + + /* clear the high bits */ + if (pcie_index_hi != 0) { + writel(0, pcie_index_hi_offset); + readl(pcie_index_hi_offset); + } + + spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); +} + /** * amdgpu_device_get_rev_id - query device rev_id * @@ -913,14 +1288,14 @@ u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev) */ static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) { - DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); + dev_err(adev->dev, "Invalid callback to read register 0x%04X\n", reg); BUG(); return 0; } static uint32_t amdgpu_invalid_rreg_ext(struct amdgpu_device *adev, uint64_t reg) { - DRM_ERROR("Invalid callback to read register 0x%llX\n", reg); + dev_err(adev->dev, "Invalid callback to read register 0x%llX\n", reg); BUG(); return 0; } @@ -937,15 +1312,17 @@ static uint32_t amdgpu_invalid_rreg_ext(struct amdgpu_device *adev, uint64_t reg */ static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) { - DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", - reg, v); + dev_err(adev->dev, + "Invalid callback to write register 0x%04X with 0x%08X\n", reg, + v); BUG(); } static void amdgpu_invalid_wreg_ext(struct amdgpu_device *adev, uint64_t reg, uint32_t v) { - DRM_ERROR("Invalid callback to write register 0x%llX with 0x%08X\n", - reg, v); + dev_err(adev->dev, + "Invalid callback to write register 0x%llX with 0x%08X\n", reg, + v); BUG(); } @@ -961,7 +1338,15 @@ static void amdgpu_invalid_wreg_ext(struct amdgpu_device *adev, uint64_t reg, ui */ static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) { - DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); + dev_err(adev->dev, "Invalid callback to read 64 bit register 0x%04X\n", + reg); + BUG(); + return 0; +} + +static uint64_t amdgpu_invalid_rreg64_ext(struct amdgpu_device *adev, uint64_t reg) +{ + dev_err(adev->dev, "Invalid callback to read register 0x%llX\n", reg); BUG(); return 0; } @@ -978,8 +1363,17 @@ static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) */ static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) { - DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", - reg, v); + dev_err(adev->dev, + "Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", + reg, v); + BUG(); +} + +static void amdgpu_invalid_wreg64_ext(struct amdgpu_device *adev, uint64_t reg, uint64_t v) +{ + dev_err(adev->dev, + "Invalid callback to write 64 bit register 0x%llX with 0x%08llX\n", + reg, v); BUG(); } @@ -997,8 +1391,9 @@ static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, uint32_t block, uint32_t reg) { - DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", - reg, block); + dev_err(adev->dev, + "Invalid callback to read register 0x%04X in block 0x%04X\n", + reg, block); BUG(); return 0; } @@ -1018,11 +1413,23 @@ static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, uint32_t block, uint32_t reg, uint32_t v) { - DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", - reg, block, v); + dev_err(adev->dev, + "Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", + reg, block, v); BUG(); } +static uint32_t amdgpu_device_get_vbios_flags(struct amdgpu_device *adev) +{ + if (hweight32(adev->aid_mask) && (adev->flags & AMD_IS_APU)) + return AMDGPU_VBIOS_SKIP; + + if (hweight32(adev->aid_mask) && amdgpu_passthrough(adev)) + return AMDGPU_VBIOS_OPTIONAL; + + return 0; +} + /** * amdgpu_device_asic_init - Wrapper for atom asic_init * @@ -1032,13 +1439,32 @@ static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, */ static int amdgpu_device_asic_init(struct amdgpu_device *adev) { + uint32_t flags; + bool optional; + int ret; + amdgpu_asic_pre_asic_init(adev); + flags = amdgpu_device_get_vbios_flags(adev); + optional = !!(flags & (AMDGPU_VBIOS_OPTIONAL | AMDGPU_VBIOS_SKIP)); + + if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 4) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0) || + amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(11, 0, 0)) { + amdgpu_psp_wait_for_bootloader(adev); + if (optional && !adev->bios) + return 0; + + ret = amdgpu_atomfirmware_asic_init(adev, true); + return ret; + } else { + if (optional && !adev->bios) + return 0; - if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3) || - adev->ip_versions[GC_HWIP][0] >= IP_VERSION(11, 0, 0)) - return amdgpu_atomfirmware_asic_init(adev, true); - else return amdgpu_atom_asic_init(adev->mode_info.atom_context); + } + + return 0; } /** @@ -1078,7 +1504,7 @@ static void amdgpu_device_mem_scratch_fini(struct amdgpu_device *adev) * @registers: pointer to the register array * @array_size: size of the register array * - * Programs an array or registers with and and or masks. + * Programs an array or registers with and or masks. * This is a helper for setting golden registers. */ void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, @@ -1136,83 +1562,6 @@ int amdgpu_device_pci_reset(struct amdgpu_device *adev) } /* - * GPU doorbell aperture helpers function. - */ -/** - * amdgpu_device_doorbell_init - Init doorbell driver information. - * - * @adev: amdgpu_device pointer - * - * Init doorbell driver information (CIK) - * Returns 0 on success, error on failure. - */ -static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) -{ - - /* No doorbell on SI hardware generation */ - if (adev->asic_type < CHIP_BONAIRE) { - adev->doorbell.base = 0; - adev->doorbell.size = 0; - adev->doorbell.num_kernel_doorbells = 0; - adev->doorbell.ptr = NULL; - return 0; - } - - if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) - return -EINVAL; - - amdgpu_asic_init_doorbell_index(adev); - - /* doorbell bar mapping */ - adev->doorbell.base = pci_resource_start(adev->pdev, 2); - adev->doorbell.size = pci_resource_len(adev->pdev, 2); - - if (adev->enable_mes) { - adev->doorbell.num_kernel_doorbells = - adev->doorbell.size / sizeof(u32); - } else { - adev->doorbell.num_kernel_doorbells = - min_t(u32, adev->doorbell.size / sizeof(u32), - adev->doorbell_index.max_assignment+1); - if (adev->doorbell.num_kernel_doorbells == 0) - return -EINVAL; - - /* For Vega, reserve and map two pages on doorbell BAR since SDMA - * paging queue doorbell use the second page. The - * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the - * doorbells are in the first page. So with paging queue enabled, - * the max num_kernel_doorbells should + 1 page (0x400 in dword) - */ - if (adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(4, 0, 0) && - adev->ip_versions[SDMA0_HWIP][0] < IP_VERSION(4, 2, 0)) - adev->doorbell.num_kernel_doorbells += 0x400; - } - - adev->doorbell.ptr = ioremap(adev->doorbell.base, - adev->doorbell.num_kernel_doorbells * - sizeof(u32)); - if (adev->doorbell.ptr == NULL) - return -ENOMEM; - - return 0; -} - -/** - * amdgpu_device_doorbell_fini - Tear down doorbell driver information. - * - * @adev: amdgpu_device pointer - * - * Tear down doorbell driver information (CIK) - */ -static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) -{ - iounmap(adev->doorbell.ptr); - adev->doorbell.ptr = NULL; -} - - - -/* * amdgpu_device_wb_*() * Writeback is the method by which the GPU updates special pages in memory * with the status of certain GPU events (fences, ring pointers,etc.). @@ -1281,13 +1630,17 @@ static int amdgpu_device_wb_init(struct amdgpu_device *adev) */ int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) { - unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); + unsigned long flags, offset; + spin_lock_irqsave(&adev->wb.lock, flags); + offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); if (offset < adev->wb.num_wb) { __set_bit(offset, adev->wb.used); + spin_unlock_irqrestore(&adev->wb.lock, flags); *wb = offset << 3; /* convert to dw offset */ return 0; } else { + spin_unlock_irqrestore(&adev->wb.lock, flags); return -EINVAL; } } @@ -1302,9 +1655,13 @@ int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) */ void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) { + unsigned long flags; + wb >>= 3; + spin_lock_irqsave(&adev->wb.lock, flags); if (wb < adev->wb.num_wb) __clear_bit(wb, adev->wb.used); + spin_unlock_irqrestore(&adev->wb.lock, flags); } /** @@ -1321,14 +1678,33 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size); struct pci_bus *root; struct resource *res; - unsigned i; + int max_size, r; + unsigned int i; u16 cmd; - int r; + + if (!IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT)) + return 0; /* Bypass for VF */ if (amdgpu_sriov_vf(adev)) return 0; + if (!amdgpu_rebar) + return 0; + + /* resizing on Dell G5 SE platforms causes problems with runtime pm */ + if ((amdgpu_runtime_pm != 0) && + adev->pdev->vendor == PCI_VENDOR_ID_ATI && + adev->pdev->device == 0x731f && + adev->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL) + return 0; + + /* PCI_EXT_CAP_ID_VNDR extended capability is located at 0x100 */ + if (!pci_find_ext_capability(adev->pdev, PCI_EXT_CAP_ID_VNDR)) + dev_warn( + adev->dev, + "System can't access extended configuration space, please check!!\n"); + /* skip if the bios has already enabled large BAR */ if (adev->gmc.real_vram_size && (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) @@ -1350,33 +1726,32 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) return 0; /* Limit the BAR size to what is available */ - rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1, - rbar_size); + max_size = pci_rebar_get_max_size(adev->pdev, 0); + if (max_size < 0) + return 0; + rbar_size = min(max_size, rbar_size); /* Disable memory decoding while we change the BAR addresses and size */ pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); pci_write_config_word(adev->pdev, PCI_COMMAND, cmd & ~PCI_COMMAND_MEMORY); - /* Free the VRAM and doorbell BAR, we most likely need to move both. */ - amdgpu_device_doorbell_fini(adev); - if (adev->asic_type >= CHIP_BONAIRE) - pci_release_resource(adev->pdev, 2); - - pci_release_resource(adev->pdev, 0); + /* Tear down doorbell as resizing will release BARs */ + amdgpu_doorbell_fini(adev); - r = pci_resize_resource(adev->pdev, 0, rbar_size); + r = pci_resize_resource(adev->pdev, 0, rbar_size, + (adev->asic_type >= CHIP_BONAIRE) ? 1 << 5 + : 1 << 2); if (r == -ENOSPC) - DRM_INFO("Not enough PCI address space for a large BAR."); + dev_info(adev->dev, + "Not enough PCI address space for a large BAR."); else if (r && r != -ENOTSUPP) - DRM_ERROR("Problem resizing BAR0 (%d).", r); - - pci_assign_unassigned_bus_resources(adev->pdev->bus); + dev_err(adev->dev, "Problem resizing BAR0 (%d).", r); /* When the doorbell or fb BAR isn't available we have no chance of * using the device. */ - r = amdgpu_device_doorbell_init(adev); + r = amdgpu_doorbell_init(adev); if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) return -ENODEV; @@ -1385,15 +1760,6 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) return 0; } -static bool amdgpu_device_read_bios(struct amdgpu_device *adev) -{ - if (hweight32(adev->aid_mask) && (adev->flags & AMD_IS_APU)) { - return false; - } - - return true; -} - /* * GPU helpers function. */ @@ -1408,12 +1774,15 @@ static bool amdgpu_device_read_bios(struct amdgpu_device *adev) */ bool amdgpu_device_need_post(struct amdgpu_device *adev) { - uint32_t reg; + uint32_t reg, flags; if (amdgpu_sriov_vf(adev)) return false; - if (!amdgpu_device_read_bios(adev)) + flags = amdgpu_device_get_vbios_flags(adev); + if (flags & AMDGPU_VBIOS_SKIP) + return false; + if ((flags & AMDGPU_VBIOS_OPTIONAL) && !adev->bios) return false; if (amdgpu_passthrough(adev)) { @@ -1425,19 +1794,21 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) if (adev->asic_type == CHIP_FIJI) { int err; uint32_t fw_ver; + err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); - /* force vPost if error occured */ + /* force vPost if error occurred */ if (err) return true; fw_ver = *((uint32_t *)adev->pm.fw->data + 69); + release_firmware(adev->pm.fw); if (fw_ver < 0x00160e00) return true; } } /* Don't post if we need to reset whole hive on init */ - if (adev->gmc.xgmi.pending_reset) + if (adev->init_lvl->level == AMDGPU_INIT_LEVEL_MINIMAL_XGMI) return false; if (adev->has_hw_reset) { @@ -1459,24 +1830,95 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) } /* - * Intel hosts such as Raptor Lake and Sapphire Rapids don't support dynamic - * speed switching. Until we have confirmation from Intel that a specific host - * supports it, it's safer that we keep it disabled for all. + * Check whether seamless boot is supported. + * + * So far we only support seamless boot on DCE 3.0 or later. + * If users report that it works on older ASICS as well, we may + * loosen this. + */ +bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev) +{ + switch (amdgpu_seamless) { + case -1: + break; + case 1: + return true; + case 0: + return false; + default: + dev_err(adev->dev, "Invalid value for amdgpu.seamless: %d\n", + amdgpu_seamless); + return false; + } + + if (!(adev->flags & AMD_IS_APU)) + return false; + + if (adev->mman.keep_stolen_vga_memory) + return false; + + return amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0); +} + +/* + * Intel hosts such as Rocket Lake, Alder Lake, Raptor Lake and Sapphire Rapids + * don't support dynamic speed switching. Until we have confirmation from Intel + * that a specific host supports it, it's safer that we keep it disabled for all. * * https://edc.intel.com/content/www/us/en/design/products/platforms/details/raptor-lake-s/13th-generation-core-processors-datasheet-volume-1-of-2/005/pci-express-support/ * https://gitlab.freedesktop.org/drm/amd/-/issues/2663 */ -bool amdgpu_device_pcie_dynamic_switching_supported(void) +static bool amdgpu_device_pcie_dynamic_switching_supported(struct amdgpu_device *adev) { #if IS_ENABLED(CONFIG_X86) struct cpuinfo_x86 *c = &cpu_data(0); + /* eGPU change speeds based on USB4 fabric conditions */ + if (dev_is_removable(adev->dev)) + return true; + if (c->x86_vendor == X86_VENDOR_INTEL) return false; #endif return true; } +static bool amdgpu_device_aspm_support_quirk(struct amdgpu_device *adev) +{ + /* Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4. + * It's unclear if this is a platform-specific or GPU-specific issue. + * Disable ASPM on SI for the time being. + */ + if (adev->family == AMDGPU_FAMILY_SI) + return true; + +#if IS_ENABLED(CONFIG_X86) + struct cpuinfo_x86 *c = &cpu_data(0); + + if (!(amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(12, 0, 0) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(12, 0, 1))) + return false; + + if (c->x86 == 6 && + adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5) { + switch (c->x86_model) { + case VFM_MODEL(INTEL_ALDERLAKE): + case VFM_MODEL(INTEL_ALDERLAKE_L): + case VFM_MODEL(INTEL_RAPTORLAKE): + case VFM_MODEL(INTEL_RAPTORLAKE_P): + case VFM_MODEL(INTEL_RAPTORLAKE_S): + return true; + default: + return false; + } + } else { + return false; + } +#else + return false; +#endif +} + /** * amdgpu_device_should_use_aspm - check if the device should program ASPM * @@ -1499,20 +1941,13 @@ bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev) default: return false; } + if (adev->flags & AMD_IS_APU) + return false; + if (amdgpu_device_aspm_support_quirk(adev)) + return false; return pcie_aspm_enabled(adev->pdev); } -bool amdgpu_device_aspm_support_quirk(void) -{ -#if IS_ENABLED(CONFIG_X86) - struct cpuinfo_x86 *c = &cpu_data(0); - - return !(c->x86 == 6 && c->x86_model == INTEL_FAM6_ALDERLAKE); -#else - return true; -#endif -} - /* if we get transitioned to only one device, take VGA back */ /** * amdgpu_device_vga_set_decode - enable/disable vga decode @@ -1527,6 +1962,7 @@ static unsigned int amdgpu_device_vga_set_decode(struct pci_dev *pdev, bool state) { struct amdgpu_device *adev = drm_to_adev(pci_get_drvdata(pdev)); + amdgpu_asic_set_vga_state(adev, state); if (state) return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | @@ -1549,7 +1985,8 @@ static void amdgpu_device_check_block_size(struct amdgpu_device *adev) { /* defines number of bits in page table versus page directory, * a page is 4KB so we have 12 bits offset, minimum 9 bits in the - * page table and the remaining bits are in the page directory */ + * page table and the remaining bits are in the page directory + */ if (amdgpu_vm_block_size == -1) return; @@ -1593,7 +2030,7 @@ static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) return; if (!is_os_64) { - DRM_WARN("Not 64-bit OS, feature not supported\n"); + dev_warn(adev->dev, "Not 64-bit OS, feature not supported\n"); goto def_value; } si_meminfo(&si); @@ -1608,7 +2045,7 @@ static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) if (total_memory < dram_size_seven_GB) goto def_value1; } else { - DRM_WARN("Smu memory pool size not supported\n"); + dev_warn(adev->dev, "Smu memory pool size not supported\n"); goto def_value; } adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; @@ -1616,7 +2053,7 @@ static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) return; def_value1: - DRM_WARN("No enough system memory\n"); + dev_warn(adev->dev, "No enough system memory\n"); def_value: adev->pm.smu_prv_buffer_size = 0; } @@ -1668,6 +2105,8 @@ static int amdgpu_device_init_apu_flags(struct amdgpu_device *adev) */ static int amdgpu_device_check_arguments(struct amdgpu_device *adev) { + int i; + if (amdgpu_sched_jobs < 4) { dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", amdgpu_sched_jobs); @@ -1722,6 +2161,32 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev) adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); + for (i = 0; i < MAX_XCP; i++) { + switch (amdgpu_enforce_isolation) { + case -1: + case 0: + default: + /* disable */ + adev->enforce_isolation[i] = AMDGPU_ENFORCE_ISOLATION_DISABLE; + break; + case 1: + /* enable */ + adev->enforce_isolation[i] = + AMDGPU_ENFORCE_ISOLATION_ENABLE; + break; + case 2: + /* enable legacy mode */ + adev->enforce_isolation[i] = + AMDGPU_ENFORCE_ISOLATION_ENABLE_LEGACY; + break; + case 3: + /* enable only process isolation without submitting cleaner shader */ + adev->enforce_isolation[i] = + AMDGPU_ENFORCE_ISOLATION_NO_CLEANER_SHADER; + break; + } + } + return 0; } @@ -1740,7 +2205,8 @@ static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, struct drm_device *dev = pci_get_drvdata(pdev); int r; - if (amdgpu_device_supports_px(dev) && state == VGA_SWITCHEROO_OFF) + if (amdgpu_device_supports_px(drm_to_adev(dev)) && + state == VGA_SWITCHEROO_OFF) return; if (state == VGA_SWITCHEROO_ON) { @@ -1752,13 +2218,15 @@ static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, amdgpu_device_load_pci_state(pdev); r = pci_enable_device(pdev); if (r) - DRM_WARN("pci_enable_device failed (%d)\n", r); + dev_warn(&pdev->dev, "pci_enable_device failed (%d)\n", + r); amdgpu_device_resume(dev, true); dev->switch_power_state = DRM_SWITCH_POWER_ON; } else { - pr_info("switched off\n"); + dev_info(&pdev->dev, "switched off\n"); dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + amdgpu_device_prepare(dev); amdgpu_device_suspend(dev, true); amdgpu_device_cache_pci_state(pdev); /* Shut down the device */ @@ -1781,7 +2249,7 @@ static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); - /* + /* * FIXME: open_count is protected by drm_global_mutex but that would lead to * locking inversion with the driver load path. And the access here is * completely racy anyway. So don't bother with locking for now. @@ -1821,10 +2289,11 @@ int amdgpu_device_ip_set_clockgating_state(void *dev, if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) continue; r = adev->ip_blocks[i].version->funcs->set_clockgating_state( - (void *)adev, state); + &adev->ip_blocks[i], state); if (r) - DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "set_clockgating_state of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); } return r; } @@ -1855,10 +2324,11 @@ int amdgpu_device_ip_set_powergating_state(void *dev, if (!adev->ip_blocks[i].version->funcs->set_powergating_state) continue; r = adev->ip_blocks[i].version->funcs->set_powergating_state( - (void *)adev, state); + &adev->ip_blocks[i], state); if (r) - DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "set_powergating_state of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); } return r; } @@ -1883,7 +2353,8 @@ void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, if (!adev->ip_blocks[i].status.valid) continue; if (adev->ip_blocks[i].version->funcs->get_clockgating_state) - adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); + adev->ip_blocks[i].version->funcs->get_clockgating_state( + &adev->ip_blocks[i], flags); } } @@ -1905,9 +2376,12 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, if (!adev->ip_blocks[i].status.valid) continue; if (adev->ip_blocks[i].version->type == block_type) { - r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); - if (r) - return r; + if (adev->ip_blocks[i].version->funcs->wait_for_idle) { + r = adev->ip_blocks[i].version->funcs->wait_for_idle( + &adev->ip_blocks[i]); + if (r) + return r; + } break; } } @@ -1916,26 +2390,45 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, } /** - * amdgpu_device_ip_is_idle - is the hardware IP idle + * amdgpu_device_ip_is_hw - is the hardware IP enabled * * @adev: amdgpu_device pointer * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) * - * Check if the hardware IP is idle or not. - * Returns true if it the IP is idle, false if not. + * Check if the hardware IP is enable or not. + * Returns true if it the IP is enable, false if not. */ -bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, - enum amd_ip_block_type block_type) +bool amdgpu_device_ip_is_hw(struct amdgpu_device *adev, + enum amd_ip_block_type block_type) { int i; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_blocks[i].status.valid) - continue; if (adev->ip_blocks[i].version->type == block_type) - return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); + return adev->ip_blocks[i].status.hw; } - return true; + return false; +} + +/** + * amdgpu_device_ip_is_valid - is the hardware IP valid + * + * @adev: amdgpu_device pointer + * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) + * + * Check if the hardware IP is valid or not. + * Returns true if it the IP is valid, false if not. + */ +bool amdgpu_device_ip_is_valid(struct amdgpu_device *adev, + enum amd_ip_block_type block_type) +{ + int i; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (adev->ip_blocks[i].version->type == block_type) + return adev->ip_blocks[i].status.valid; + } + return false; } @@ -1986,6 +2479,34 @@ int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, return 1; } +static const char *ip_block_names[] = { + [AMD_IP_BLOCK_TYPE_COMMON] = "common", + [AMD_IP_BLOCK_TYPE_GMC] = "gmc", + [AMD_IP_BLOCK_TYPE_IH] = "ih", + [AMD_IP_BLOCK_TYPE_SMC] = "smu", + [AMD_IP_BLOCK_TYPE_PSP] = "psp", + [AMD_IP_BLOCK_TYPE_DCE] = "dce", + [AMD_IP_BLOCK_TYPE_GFX] = "gfx", + [AMD_IP_BLOCK_TYPE_SDMA] = "sdma", + [AMD_IP_BLOCK_TYPE_UVD] = "uvd", + [AMD_IP_BLOCK_TYPE_VCE] = "vce", + [AMD_IP_BLOCK_TYPE_ACP] = "acp", + [AMD_IP_BLOCK_TYPE_VCN] = "vcn", + [AMD_IP_BLOCK_TYPE_MES] = "mes", + [AMD_IP_BLOCK_TYPE_JPEG] = "jpeg", + [AMD_IP_BLOCK_TYPE_VPE] = "vpe", + [AMD_IP_BLOCK_TYPE_UMSCH_MM] = "umsch_mm", + [AMD_IP_BLOCK_TYPE_ISP] = "isp", + [AMD_IP_BLOCK_TYPE_RAS] = "ras", +}; + +static const char *ip_block_name(struct amdgpu_device *adev, enum amd_ip_block_type type) +{ + int idx = (int)type; + + return idx < ARRAY_SIZE(ip_block_names) ? ip_block_names[idx] : "unknown"; +} + /** * amdgpu_device_ip_block_add * @@ -2014,8 +2535,15 @@ int amdgpu_device_ip_block_add(struct amdgpu_device *adev, break; } - DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, - ip_block_version->funcs->name); + dev_info(adev->dev, "detected ip block number %d <%s_v%d_%d_%d> (%s)\n", + adev->num_ip_blocks, + ip_block_name(adev, ip_block_version->type), + ip_block_version->major, + ip_block_version->minor, + ip_block_version->rev, + ip_block_version->funcs->name); + + adev->ip_blocks[adev->num_ip_blocks].adev = adev; adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; @@ -2031,7 +2559,7 @@ int amdgpu_device_ip_block_add(struct amdgpu_device *adev, * the module parameter virtual_display. This feature provides a virtual * display hardware on headless boards or in virtualized environments. * This function parses and validates the configuration string specified by - * the user and configues the virtual display configuration (number of + * the user and configures the virtual display configuration (number of * virtual connectors, crtcs, etc.) specified. */ static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) @@ -2070,9 +2598,11 @@ static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) } } - DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", - amdgpu_virtual_display, pci_address_name, - adev->enable_virtual_display, adev->mode_info.num_crtc); + dev_info( + adev->dev, + "virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", + amdgpu_virtual_display, pci_address_name, + adev->enable_virtual_display, adev->mode_info.num_crtc); kfree(pciaddstr); } @@ -2083,8 +2613,9 @@ void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev) && !adev->enable_virtual_display) { adev->mode_info.num_crtc = 1; adev->enable_virtual_display = true; - DRM_INFO("virtual_display:%d, num_crtc:%d\n", - adev->enable_virtual_display, adev->mode_info.num_crtc); + dev_info(adev->dev, "virtual_display:%d, num_crtc:%d\n", + adev->enable_virtual_display, + adev->mode_info.num_crtc); } } @@ -2094,29 +2625,18 @@ void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev) * @adev: amdgpu_device pointer * * Parses the asic configuration parameters specified in the gpu info - * firmware and makes them availale to the driver for use in configuring + * firmware and makes them available to the driver for use in configuring * the asic. * Returns 0 on success, -EINVAL on failure. */ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) { const char *chip_name; - char fw_name[40]; int err; const struct gpu_info_firmware_header_v1_0 *hdr; adev->firmware.gpu_info_fw = NULL; - if (adev->mman.discovery_bin) { - /* - * FIXME: The bounding box is still needed by Navi12, so - * temporarily read it from gpu_info firmware. Should be dropped - * when DAL no longer needs it. - */ - if (adev->asic_type != CHIP_NAVI12) - return 0; - } - switch (adev->asic_type) { default: return 0; @@ -2138,16 +2658,24 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) chip_name = "arcturus"; break; case CHIP_NAVI12: + if (adev->discovery.bin) + return 0; chip_name = "navi12"; break; + case CHIP_CYAN_SKILLFISH: + if (adev->discovery.bin) + return 0; + chip_name = "cyan_skillfish"; + break; } - snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); - err = amdgpu_ucode_request(adev, &adev->firmware.gpu_info_fw, fw_name); + err = amdgpu_ucode_request(adev, &adev->firmware.gpu_info_fw, + AMDGPU_UCODE_OPTIONAL, + "amdgpu/%s_gpu_info.bin", chip_name); if (err) { dev_err(adev->dev, - "Failed to get gpu_info firmware \"%s\"\n", - fw_name); + "Failed to get gpu_info firmware \"%s_gpu_info.bin\"\n", + chip_name); goto out; } @@ -2162,7 +2690,7 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) le32_to_cpu(hdr->header.ucode_array_offset_bytes)); /* - * Should be droped when DAL no longer needs it. + * Should be dropped when DAL no longer needs it. */ if (adev->asic_type == CHIP_NAVI12) goto parse_soc_bounding_box; @@ -2218,6 +2746,24 @@ out: return err; } +static void amdgpu_uid_init(struct amdgpu_device *adev) +{ + /* Initialize the UID for the device */ + adev->uid_info = kzalloc(sizeof(struct amdgpu_uid), GFP_KERNEL); + if (!adev->uid_info) { + dev_warn(adev->dev, "Failed to allocate memory for UID\n"); + return; + } + adev->uid_info->adev = adev; +} + +static void amdgpu_uid_fini(struct amdgpu_device *adev) +{ + /* Free the UID memory */ + kfree(adev->uid_info); + adev->uid_info = NULL; +} + /** * amdgpu_device_ip_early_init - run early init for hardware IPs * @@ -2230,10 +2776,11 @@ out: */ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) { - struct drm_device *dev = adev_to_drm(adev); + struct amdgpu_ip_block *ip_block; struct pci_dev *parent; + bool total, skip_bios; + uint32_t bios_flags; int i, r; - bool total; amdgpu_device_enable_virtual_display(adev); @@ -2241,6 +2788,10 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) r = amdgpu_virt_request_full_gpu(adev, true); if (r) return r; + + r = amdgpu_virt_init_critical_region(adev); + if (r) + return r; } switch (adev->asic_type) { @@ -2297,46 +2848,62 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) break; } + /* Check for IP version 9.4.3 with A0 hardware */ + if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) && + !amdgpu_device_get_rev_id(adev)) { + dev_err(adev->dev, "Unsupported A0 hardware\n"); + return -ENODEV; /* device unsupported - no device error */ + } + if (amdgpu_has_atpx() && (amdgpu_is_atpx_hybrid() || amdgpu_has_atpx_dgpu_power_cntl()) && ((adev->flags & AMD_IS_APU) == 0) && - !pci_is_thunderbolt_attached(to_pci_dev(dev->dev))) + !dev_is_removable(&adev->pdev->dev)) adev->flags |= AMD_IS_PX; if (!(adev->flags & AMD_IS_APU)) { - parent = pci_upstream_bridge(adev->pdev); + parent = pcie_find_root_port(adev->pdev); adev->has_pr3 = parent ? pci_pr3_present(parent) : false; } - adev->pm.pp_feature = amdgpu_pp_feature_mask; if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) adev->pm.pp_feature &= ~PP_GFXOFF_MASK; if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID) adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK; + if (!amdgpu_device_pcie_dynamic_switching_supported(adev)) + adev->pm.pp_feature &= ~PP_PCIE_DPM_MASK; + + adev->virt.is_xgmi_node_migrate_enabled = false; + if (amdgpu_sriov_vf(adev)) { + adev->virt.is_xgmi_node_migrate_enabled = + amdgpu_ip_version((adev), GC_HWIP, 0) == IP_VERSION(9, 4, 4); + } total = true; for (i = 0; i < adev->num_ip_blocks; i++) { + ip_block = &adev->ip_blocks[i]; + if ((amdgpu_ip_block_mask & (1 << i)) == 0) { - DRM_WARN("disabled ip block: %d <%s>\n", - i, adev->ip_blocks[i].version->funcs->name); + dev_warn(adev->dev, "disabled ip block: %d <%s>\n", i, + adev->ip_blocks[i].version->funcs->name); adev->ip_blocks[i].status.valid = false; - } else { - if (adev->ip_blocks[i].version->funcs->early_init) { - r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); - if (r == -ENOENT) { - adev->ip_blocks[i].status.valid = false; - } else if (r) { - DRM_ERROR("early_init of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - total = false; - } else { - adev->ip_blocks[i].status.valid = true; - } + } else if (ip_block->version->funcs->early_init) { + r = ip_block->version->funcs->early_init(ip_block); + if (r == -ENOENT) { + adev->ip_blocks[i].status.valid = false; + } else if (r) { + dev_err(adev->dev, + "early_init of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); + total = false; } else { adev->ip_blocks[i].status.valid = true; } + } else { + adev->ip_blocks[i].status.valid = true; } /* get the vbios after the asic_funcs are set up */ if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { @@ -2344,16 +2911,31 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) if (r) return r; + bios_flags = amdgpu_device_get_vbios_flags(adev); + skip_bios = !!(bios_flags & AMDGPU_VBIOS_SKIP); /* Read BIOS */ - if (amdgpu_device_read_bios(adev)) { - if (!amdgpu_get_bios(adev)) + if (!skip_bios) { + bool optional = + !!(bios_flags & AMDGPU_VBIOS_OPTIONAL); + if (!amdgpu_get_bios(adev) && !optional) return -EINVAL; - r = amdgpu_atombios_init(adev); - if (r) { - dev_err(adev->dev, "amdgpu_atombios_init failed\n"); - amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); - return r; + if (optional && !adev->bios) + dev_info( + adev->dev, + "VBIOS image optional, proceeding without VBIOS image"); + + if (adev->bios) { + r = amdgpu_atombios_init(adev); + if (r) { + dev_err(adev->dev, + "amdgpu_atombios_init failed\n"); + amdgpu_vf_error_put( + adev, + AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, + 0, 0); + return r; + } } } @@ -2366,7 +2948,15 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) if (!total) return -ENODEV; - amdgpu_amdkfd_device_probe(adev); + if (adev->gmc.xgmi.supported) + amdgpu_xgmi_early_init(adev); + + if (amdgpu_is_multi_aid(adev)) + amdgpu_uid_init(adev); + ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GFX); + if (ip_block->status.valid != false) + amdgpu_amdkfd_device_probe(adev); + adev->cg_flags &= amdgpu_cg_mask; adev->pg_flags &= amdgpu_pg_mask; @@ -2382,13 +2972,18 @@ static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hw) continue; + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) + continue; if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { - r = adev->ip_blocks[i].version->funcs->hw_init(adev); + r = adev->ip_blocks[i].version->funcs->hw_init(&adev->ip_blocks[i]); if (r) { - DRM_ERROR("hw_init of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "hw_init of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); return r; } adev->ip_blocks[i].status.hw = true; @@ -2407,10 +3002,14 @@ static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hw) continue; - r = adev->ip_blocks[i].version->funcs->hw_init(adev); + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) + continue; + r = adev->ip_blocks[i].version->funcs->hw_init(&adev->ip_blocks[i]); if (r) { - DRM_ERROR("hw_init of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "hw_init of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); return r; } adev->ip_blocks[i].status.hw = true; @@ -2430,6 +3029,10 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev) if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) continue; + if (!amdgpu_ip_member_of_hwini(adev, + AMD_IP_BLOCK_TYPE_PSP)) + break; + if (!adev->ip_blocks[i].status.sw) continue; @@ -2438,22 +3041,21 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev) break; if (amdgpu_in_reset(adev) || adev->in_suspend) { - r = adev->ip_blocks[i].version->funcs->resume(adev); - if (r) { - DRM_ERROR("resume of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + r = amdgpu_ip_block_resume(&adev->ip_blocks[i]); + if (r) return r; - } } else { - r = adev->ip_blocks[i].version->funcs->hw_init(adev); + r = adev->ip_blocks[i].version->funcs->hw_init(&adev->ip_blocks[i]); if (r) { - DRM_ERROR("hw_init of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "hw_init of IP block <%s> failed %d\n", + adev->ip_blocks[i] + .version->funcs->name, + r); return r; } + adev->ip_blocks[i].status.hw = true; } - - adev->ip_blocks[i].status.hw = true; break; } } @@ -2466,6 +3068,12 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev) static int amdgpu_device_init_schedulers(struct amdgpu_device *adev) { + struct drm_sched_init_args args = { + .ops = &amdgpu_sched_ops, + .num_rqs = DRM_SCHED_PRIORITY_COUNT, + .timeout_wq = adev->reset_domain->wq, + .dev = adev->dev, + }; long timeout; int r, i; @@ -2491,19 +3099,36 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev) break; } - r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, - ring->num_hw_submission, 0, - timeout, adev->reset_domain->wq, - ring->sched_score, ring->name, - adev->dev); + args.timeout = timeout; + args.credit_limit = ring->num_hw_submission; + args.score = ring->sched_score; + args.name = ring->name; + + r = drm_sched_init(&ring->sched, &args); + if (r) { + dev_err(adev->dev, + "Failed to create scheduler on ring %s.\n", + ring->name); + return r; + } + r = amdgpu_uvd_entity_init(adev, ring); if (r) { - DRM_ERROR("Failed to create scheduler on ring %s.\n", - ring->name); + dev_err(adev->dev, + "Failed to create UVD scheduling entity on ring %s.\n", + ring->name); + return r; + } + r = amdgpu_vce_entity_init(adev, ring); + if (r) { + dev_err(adev->dev, + "Failed to create VCE scheduling entity on ring %s.\n", + ring->name); return r; } } - amdgpu_xcp_update_partition_sched_list(adev); + if (adev->xcp_mgr) + amdgpu_xcp_update_partition_sched_list(adev); return 0; } @@ -2522,6 +3147,7 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev) */ static int amdgpu_device_ip_init(struct amdgpu_device *adev) { + bool init_badpage; int i, r; r = amdgpu_ras_init(adev); @@ -2531,19 +3157,28 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) for (i = 0; i < adev->num_ip_blocks; i++) { if (!adev->ip_blocks[i].status.valid) continue; - r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); - if (r) { - DRM_ERROR("sw_init of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - goto init_failed; + if (adev->ip_blocks[i].version->funcs->sw_init) { + r = adev->ip_blocks[i].version->funcs->sw_init(&adev->ip_blocks[i]); + if (r) { + dev_err(adev->dev, + "sw_init of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); + goto init_failed; + } } adev->ip_blocks[i].status.sw = true; + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) + continue; + if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { /* need to do common hw init early so everything is set up for gmc */ - r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); + r = adev->ip_blocks[i].version->funcs->hw_init(&adev->ip_blocks[i]); if (r) { - DRM_ERROR("hw_init %d failed %d\n", i, r); + dev_err(adev->dev, "hw_init %d failed %d\n", i, + r); goto init_failed; } adev->ip_blocks[i].status.hw = true; @@ -2555,17 +3190,21 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) r = amdgpu_device_mem_scratch_init(adev); if (r) { - DRM_ERROR("amdgpu_mem_scratch_init failed %d\n", r); + dev_err(adev->dev, + "amdgpu_mem_scratch_init failed %d\n", + r); goto init_failed; } - r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); + r = adev->ip_blocks[i].version->funcs->hw_init(&adev->ip_blocks[i]); if (r) { - DRM_ERROR("hw_init %d failed %d\n", i, r); + dev_err(adev->dev, "hw_init %d failed %d\n", i, + r); goto init_failed; } r = amdgpu_device_wb_init(adev); if (r) { - DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); + dev_err(adev->dev, + "amdgpu_device_wb_init failed %d\n", r); goto init_failed; } adev->ip_blocks[i].status.hw = true; @@ -2577,10 +3216,18 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) AMDGPU_GEM_DOMAIN_GTT, AMDGPU_CSA_SIZE); if (r) { - DRM_ERROR("allocate CSA failed %d\n", r); + dev_err(adev->dev, + "allocate CSA failed %d\n", r); goto init_failed; } } + + r = amdgpu_seq64_init(adev); + if (r) { + dev_err(adev->dev, "allocate seq64 failed %d\n", + r); + goto init_failed; + } } } @@ -2625,7 +3272,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) * Note: theoretically, this should be called before all vram allocations * to protect retired page from abusing */ - r = amdgpu_ras_recovery_init(adev); + init_badpage = (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI); + r = amdgpu_ras_recovery_init(adev, init_badpage); if (r) goto init_failed; @@ -2661,14 +3309,20 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) if (r) goto init_failed; + if (adev->mman.buffer_funcs_ring->sched.ready) + amdgpu_ttm_set_buffer_funcs_status(adev, true); + /* Don't init kfd if whole hive need to be reset during init */ - if (!adev->gmc.xgmi.pending_reset) { + if (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) { kgd2kfd_init_zone_device(adev); amdgpu_amdkfd_device_init(adev); } amdgpu_fru_get_product_info(adev); + if (!amdgpu_sriov_vf(adev) || amdgpu_sriov_ras_cper_en(adev)) + r = amdgpu_cper_init(adev); + init_failed: return r; @@ -2681,7 +3335,7 @@ init_failed: * * Writes a reset magic value to the gart pointer in VRAM. The driver calls * this function before a GPU reset. If the value is retained after a - * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. + * GPU reset, VRAM has not been lost. Some GPU resets may destroy VRAM contents. */ static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) { @@ -2712,6 +3366,8 @@ static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) * always assumed to be lost. */ switch (amdgpu_asic_reset_method(adev)) { + case AMD_RESET_METHOD_LEGACY: + case AMD_RESET_METHOD_LINK: case AMD_RESET_METHOD_BACO: case AMD_RESET_METHOD_MODE1: return true; @@ -2757,11 +3413,13 @@ int amdgpu_device_set_cg_state(struct amdgpu_device *adev, adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && adev->ip_blocks[i].version->funcs->set_clockgating_state) { /* enable clockgating to save power */ - r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, + r = adev->ip_blocks[i].version->funcs->set_clockgating_state(&adev->ip_blocks[i], state); if (r) { - DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "set_clockgating_state(gate) of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); return r; } } @@ -2787,18 +3445,21 @@ int amdgpu_device_set_pg_state(struct amdgpu_device *adev, (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) continue; - /* skip CG for VCE/UVD, it's handled specially */ + /* skip CG for VCE/UVD/VPE, it's handled specially */ if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VPE && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && adev->ip_blocks[i].version->funcs->set_powergating_state) { /* enable powergating to save power */ - r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, + r = adev->ip_blocks[i].version->funcs->set_powergating_state(&adev->ip_blocks[i], state); if (r) { - DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "set_powergating_state(gate) of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); return r; } } @@ -2825,7 +3486,7 @@ static int amdgpu_device_enable_mgpu_fan_boost(void) for (i = 0; i < mgpu_info.num_dgpu; i++) { gpu_ins = &(mgpu_info.gpu_ins[i]); adev = gpu_ins->adev; - if (!(adev->flags & AMD_IS_APU) && + if (!(adev->flags & AMD_IS_APU || amdgpu_sriov_multi_vf_mode(adev)) && !gpu_ins->mgpu_fan_enabled) { ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); if (ret) @@ -2862,10 +3523,12 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) if (!adev->ip_blocks[i].status.hw) continue; if (adev->ip_blocks[i].version->funcs->late_init) { - r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); + r = adev->ip_blocks[i].version->funcs->late_init(&adev->ip_blocks[i]); if (r) { - DRM_ERROR("late_init of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_err(adev->dev, + "late_init of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); return r; } } @@ -2874,11 +3537,12 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) r = amdgpu_ras_late_init(adev); if (r) { - DRM_ERROR("amdgpu_ras_late_init failed %d", r); + dev_err(adev->dev, "amdgpu_ras_late_init failed %d", r); return r; } - amdgpu_ras_set_error_query_ready(adev, true); + if (!amdgpu_reset_in_recovery(adev)) + amdgpu_ras_set_error_query_ready(adev, true); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); @@ -2887,7 +3551,7 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) r = amdgpu_device_enable_mgpu_fan_boost(); if (r) - DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); + dev_err(adev->dev, "enable mgpu fan boost failed (%d).\n", r); /* For passthrough configuration on arcturus and aldebaran, enable special handling SBR */ if (amdgpu_passthrough(adev) && @@ -2920,7 +3584,9 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) r = amdgpu_xgmi_set_pstate(gpu_instance->adev, AMDGPU_XGMI_PSTATE_MIN); if (r) { - DRM_ERROR("pstate setting failed (%d).\n", r); + dev_err(adev->dev, + "pstate setting failed (%d).\n", + r); break; } } @@ -2932,6 +3598,27 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) return 0; } +static void amdgpu_ip_block_hw_fini(struct amdgpu_ip_block *ip_block) +{ + struct amdgpu_device *adev = ip_block->adev; + int r; + + if (!ip_block->version->funcs->hw_fini) { + dev_err(adev->dev, "hw_fini of IP block <%s> not defined\n", + ip_block->version->funcs->name); + } else { + r = ip_block->version->funcs->hw_fini(ip_block); + /* XXX handle errors */ + if (r) { + dev_dbg(adev->dev, + "hw_fini of IP block <%s> failed %d\n", + ip_block->version->funcs->name, r); + } + } + + ip_block->status.hw = false; +} + /** * amdgpu_device_smu_fini_early - smu hw_fini wrapper * @@ -2941,22 +3628,16 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) */ static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev) { - int i, r; + int i; - if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)) + if (amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0)) return; for (i = 0; i < adev->num_ip_blocks; i++) { if (!adev->ip_blocks[i].status.hw) continue; if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { - r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); - /* XXX handle errors */ - if (r) { - DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - } - adev->ip_blocks[i].status.hw = false; + amdgpu_ip_block_hw_fini(&adev->ip_blocks[i]); break; } } @@ -2970,38 +3651,48 @@ static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) if (!adev->ip_blocks[i].version->funcs->early_fini) continue; - r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev); + r = adev->ip_blocks[i].version->funcs->early_fini(&adev->ip_blocks[i]); if (r) { - DRM_DEBUG("early_fini of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + dev_dbg(adev->dev, + "early_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); } } amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); - amdgpu_amdkfd_suspend(adev, false); + amdgpu_amdkfd_suspend(adev, true); + amdgpu_userq_suspend(adev); - /* Workaroud for ASICs need to disable SMC first */ + /* Workaround for ASICs need to disable SMC first */ amdgpu_device_smu_fini_early(adev); for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.hw) continue; - r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); - /* XXX handle errors */ - if (r) { - DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - } - - adev->ip_blocks[i].status.hw = false; + amdgpu_ip_block_hw_fini(&adev->ip_blocks[i]); } if (amdgpu_sriov_vf(adev)) { if (amdgpu_virt_release_full_gpu(adev, false)) - DRM_ERROR("failed to release exclusive mode on fini\n"); + dev_err(adev->dev, + "failed to release exclusive mode on fini\n"); + } + + /* + * Driver reload on the APU can fail due to firmware validation because + * the PSP is always running, as it is shared across the whole SoC. + * This same issue does not occur on dGPU because it has a mechanism + * that checks whether the PSP is running. A solution for those issues + * in the APU is to trigger a GPU reset, but this should be done during + * the unload phase to avoid adding boot latency and screen flicker. + */ + if ((adev->flags & AMD_IS_APU) && !adev->gmc.is_app_apu) { + r = amdgpu_asic_reset(adev); + if (r) + dev_err(adev->dev, "asic reset on %s failed\n", __func__); } return 0; @@ -3022,6 +3713,8 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) { int i, r; + amdgpu_cper_fini(adev); + if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) amdgpu_virt_release_ras_err_handler_data(adev); @@ -3040,13 +3733,18 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) amdgpu_device_wb_fini(adev); amdgpu_device_mem_scratch_fini(adev); amdgpu_ib_pool_fini(adev); + amdgpu_seq64_fini(adev); + amdgpu_doorbell_fini(adev); } - - r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); - /* XXX handle errors */ - if (r) { - DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + if (adev->ip_blocks[i].version->funcs->sw_fini) { + r = adev->ip_blocks[i].version->funcs->sw_fini(&adev->ip_blocks[i]); + /* XXX handle errors */ + if (r) { + dev_dbg(adev->dev, + "sw_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, + r); + } } adev->ip_blocks[i].status.sw = false; adev->ip_blocks[i].status.valid = false; @@ -3056,11 +3754,12 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) if (!adev->ip_blocks[i].status.late_initialized) continue; if (adev->ip_blocks[i].version->funcs->late_fini) - adev->ip_blocks[i].version->funcs->late_fini((void *)adev); + adev->ip_blocks[i].version->funcs->late_fini(&adev->ip_blocks[i]); adev->ip_blocks[i].status.late_initialized = false; } amdgpu_ras_fini(adev); + amdgpu_uid_fini(adev); return 0; } @@ -3078,7 +3777,7 @@ static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) r = amdgpu_ib_ring_tests(adev); if (r) - DRM_ERROR("ib ring test failed (%d).\n", r); + dev_err(adev->dev, "ib ring test failed (%d).\n", r); } static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) @@ -3089,7 +3788,7 @@ static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) WARN_ON_ONCE(adev->gfx.gfx_off_state); WARN_ON_ONCE(adev->gfx.gfx_off_req_count); - if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) + if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true, 0)) adev->gfx.gfx_off_state = true; } @@ -3106,7 +3805,7 @@ static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) */ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) { - int i, r; + int i, r, rec; amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); @@ -3127,19 +3826,25 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) continue; - /* XXX handle errors */ - r = adev->ip_blocks[i].version->funcs->suspend(adev); - /* XXX handle errors */ - if (r) { - DRM_ERROR("suspend of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - return r; - } - - adev->ip_blocks[i].status.hw = false; + r = amdgpu_ip_block_suspend(&adev->ip_blocks[i]); + if (r) + goto unwind; } return 0; +unwind: + rec = amdgpu_device_ip_resume_phase3(adev); + if (rec) + dev_err(adev->dev, + "amdgpu_device_ip_resume_phase3 failed during unwind: %d\n", + rec); + + amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW); + + amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); + amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); + + return r; } /** @@ -3155,7 +3860,7 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) */ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) { - int i, r; + int i, r, rec; if (adev->in_s0ix) amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D3Entry); @@ -3174,15 +3879,17 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) } /* skip unnecessary suspend if we do not initialize them yet */ - if (adev->gmc.xgmi.pending_reset && - !(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || - adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC || - adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || - adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)) { - adev->ip_blocks[i].status.hw = false; + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) continue; - } + /* Since we skip suspend for S0i3, we need to cancel the delayed + * idle work here as the suspend callback never gets called. + */ + if (adev->in_s0ix && + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX && + amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(10, 0, 0)) + cancel_delayed_work_sync(&adev->gfx.idle_work); /* skip suspend of gfx/mes and psp for S0ix * gfx is in gfxoff state, so on resume it will exit gfxoff just * like at runtime. PSP is also part of the always on hardware @@ -3196,8 +3903,10 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) /* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */ if (adev->in_s0ix && - (adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 0, 0)) && - (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) + (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= + IP_VERSION(5, 0, 0)) && + (adev->ip_blocks[i].version->type == + AMD_IP_BLOCK_TYPE_SDMA)) continue; /* Once swPSP provides the IMU, RLC FW binaries to TOS during cold-boot. @@ -3212,28 +3921,52 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) continue; - /* XXX handle errors */ - r = adev->ip_blocks[i].version->funcs->suspend(adev); - /* XXX handle errors */ - if (r) { - DRM_ERROR("suspend of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - } - adev->ip_blocks[i].status.hw = false; + r = amdgpu_ip_block_suspend(&adev->ip_blocks[i]); + if (r) + goto unwind; + /* handle putting the SMC in the appropriate state */ if (!amdgpu_sriov_vf(adev)) { if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); if (r) { - DRM_ERROR("SMC failed to set mp1 state %d, %d\n", - adev->mp1_state, r); - return r; + dev_err(adev->dev, + "SMC failed to set mp1 state %d, %d\n", + adev->mp1_state, r); + goto unwind; } } } } return 0; +unwind: + /* suspend phase 2 = resume phase 1 + resume phase 2 */ + rec = amdgpu_device_ip_resume_phase1(adev); + if (rec) { + dev_err(adev->dev, + "amdgpu_device_ip_resume_phase1 failed during unwind: %d\n", + rec); + return r; + } + + rec = amdgpu_device_fw_loading(adev); + if (rec) { + dev_err(adev->dev, + "amdgpu_device_fw_loading failed during unwind: %d\n", + rec); + return r; + } + + rec = amdgpu_device_ip_resume_phase2(adev); + if (rec) { + dev_err(adev->dev, + "amdgpu_device_ip_resume_phase2 failed during unwind: %d\n", + rec); + return r; + } + + return r; } /** @@ -3247,7 +3980,7 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) * in each IP into a state suitable for suspend. * Returns 0 on success, negative error code on failure. */ -int amdgpu_device_ip_suspend(struct amdgpu_device *adev) +static int amdgpu_device_ip_suspend(struct amdgpu_device *adev) { int r; @@ -3256,6 +3989,8 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev) amdgpu_virt_request_full_gpu(adev, false); } + amdgpu_ttm_set_buffer_funcs_status(adev, false); + r = amdgpu_device_ip_suspend_phase1(adev); if (r) return r; @@ -3291,10 +4026,12 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) !block->status.valid) continue; - r = block->version->funcs->hw_init(adev); - DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); - if (r) + r = block->version->funcs->hw_init(&adev->ip_blocks[i]); + if (r) { + dev_err(adev->dev, "RE-INIT-early: %s failed\n", + block->version->funcs->name); return r; + } block->status.hw = true; } } @@ -3304,7 +4041,8 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) { - int i, r; + struct amdgpu_ip_block *block; + int i, r = 0; static enum amd_ip_block_type ip_order[] = { AMD_IP_BLOCK_TYPE_SMC, @@ -3319,30 +4057,28 @@ static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) }; for (i = 0; i < ARRAY_SIZE(ip_order); i++) { - int j; - struct amdgpu_ip_block *block; + block = amdgpu_device_ip_get_ip_block(adev, ip_order[i]); - for (j = 0; j < adev->num_ip_blocks; j++) { - block = &adev->ip_blocks[j]; - - if (block->version->type != ip_order[i] || - !block->status.valid || - block->status.hw) - continue; + if (!block) + continue; - if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) - r = block->version->funcs->resume(adev); - else - r = block->version->funcs->hw_init(adev); + if (block->status.valid && !block->status.hw) { + if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) { + r = amdgpu_ip_block_resume(block); + } else { + r = block->version->funcs->hw_init(block); + } - DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); - if (r) - return r; + if (r) { + dev_err(adev->dev, "RE-INIT-late: %s failed\n", + block->version->funcs->name); + break; + } block->status.hw = true; } } - return 0; + return r; } /** @@ -3369,13 +4105,9 @@ static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP && amdgpu_sriov_vf(adev))) { - r = adev->ip_blocks[i].version->funcs->resume(adev); - if (r) { - DRM_ERROR("resume of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + r = amdgpu_ip_block_resume(&adev->ip_blocks[i]); + if (r) return r; - } - adev->ip_blocks[i].status.hw = true; } } @@ -3387,7 +4119,7 @@ static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) * * @adev: amdgpu_device pointer * - * First resume function for hardware IPs. The list of all the hardware + * Second resume function for hardware IPs. The list of all the hardware * IPs that make up the asic is walked and the resume callbacks are run for * all blocks except COMMON, GMC, and IH. resume puts the hardware into a * functional state after a suspend and updates the software state as @@ -3405,15 +4137,42 @@ static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) continue; - r = adev->ip_blocks[i].version->funcs->resume(adev); - if (r) { - DRM_ERROR("resume of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + r = amdgpu_ip_block_resume(&adev->ip_blocks[i]); + if (r) return r; + } + + return 0; +} + +/** + * amdgpu_device_ip_resume_phase3 - run resume for hardware IPs + * + * @adev: amdgpu_device pointer + * + * Third resume function for hardware IPs. The list of all the hardware + * IPs that make up the asic is walked and the resume callbacks are run for + * all DCE. resume puts the hardware into a functional state after a suspend + * and updates the software state as necessary. This function is also used + * for restoring the GPU after a GPU reset. + * + * Returns 0 on success, negative error code on failure. + */ +static int amdgpu_device_ip_resume_phase3(struct amdgpu_device *adev) +{ + int i, r; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) + continue; + if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) { + r = amdgpu_ip_block_resume(&adev->ip_blocks[i]); + if (r) + return r; } - adev->ip_blocks[i].status.hw = true; } return 0; @@ -3426,7 +4185,7 @@ static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) * * Main resume function for hardware IPs. The hardware IPs * are split into two resume functions because they are - * are also used in in recovering from a GPU reset and some additional + * also used in recovering from a GPU reset and some additional * steps need to be take between them. In this case (S3/S4) they are * run sequentially. * Returns 0 on success, negative error code on failure. @@ -3435,12 +4194,6 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev) { int r; - if (!adev->in_s0ix) { - r = amdgpu_amdkfd_resume_iommu(adev); - if (r) - return r; - } - r = amdgpu_device_ip_resume_phase1(adev); if (r) return r; @@ -3451,6 +4204,16 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev) r = amdgpu_device_ip_resume_phase2(adev); + if (adev->mman.buffer_funcs_ring->sched.ready) + amdgpu_ttm_set_buffer_funcs_status(adev, true); + + if (r) + return r; + + amdgpu_fence_driver_hw_init(adev); + + r = amdgpu_device_ip_resume_phase3(adev); + return r; } @@ -3480,12 +4243,14 @@ static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) /** * amdgpu_device_asic_has_dc_support - determine if DC supports the asic * + * @pdev : pci device context * @asic_type: AMD asic type * * Check if there is DC (new modesetting infrastructre) support for an asic. * returns true if DC has support, false if not. */ -bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) +bool amdgpu_device_asic_has_dc_support(struct pci_dev *pdev, + enum amd_asic_type asic_type) { switch (asic_type) { #ifdef CONFIG_DRM_AMDGPU_SI @@ -3499,25 +4264,13 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) case CHIP_PITCAIRN: case CHIP_VERDE: case CHIP_OLAND: - /* - * We have systems in the wild with these ASICs that require - * LVDS and VGA support which is not supported with DC. - * - * Fallback to the non-DC driver here by default so as not to - * cause regressions. - */ -#if defined(CONFIG_DRM_AMD_DC_SI) - return amdgpu_dc > 0; -#else - return false; -#endif - case CHIP_BONAIRE: + return amdgpu_dc != 0 && IS_ENABLED(CONFIG_DRM_AMD_DC_SI); case CHIP_KAVERI: case CHIP_KABINI: case CHIP_MULLINS: /* * We have systems in the wild with these ASICs that require - * VGA support which is not supported with DC. + * TRAVIS and NUTMEG support which is not supported with DC. * * Fallback to the non-DC driver here by default so as not to * cause regressions. @@ -3528,8 +4281,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) #else default: if (amdgpu_dc > 0) - DRM_INFO_ONCE("Display Core has been requested via kernel parameter " - "but isn't supported by ASIC, ignoring\n"); + dev_info_once( + &pdev->dev, + "Display Core has been requested via kernel parameter but isn't supported by ASIC, ignoring\n"); return false; #endif } @@ -3548,7 +4302,7 @@ bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) return false; - return amdgpu_device_asic_has_dc_support(adev->asic_type); + return amdgpu_device_asic_has_dc_support(adev->pdev, adev->asic_type); } static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) @@ -3570,20 +4324,18 @@ static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { task_barrier_enter(&hive->tb); - adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); + adev->asic_reset_res = amdgpu_device_baco_enter(adev); if (adev->asic_reset_res) goto fail; task_barrier_exit(&hive->tb); - adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); + adev->asic_reset_res = amdgpu_device_baco_exit(adev); if (adev->asic_reset_res) goto fail; - if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops && - adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) - adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev); + amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__MMHUB); } else { task_barrier_full(&hive->tb); @@ -3592,7 +4344,8 @@ static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) fail: if (adev->asic_reset_res) - DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", + dev_warn(adev->dev, + "ASIC reset failed with error, %d for drm dev, %s", adev->asic_reset_res, adev_to_drm(adev)->unique); amdgpu_put_xgmi_hive(hive); } @@ -3605,66 +4358,53 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) long timeout; int ret = 0; - /* - * By default timeout for non compute jobs is 10000 - * and 60000 for compute jobs. - * In SR-IOV or passthrough mode, timeout for compute - * jobs are 60000 by default. - */ - adev->gfx_timeout = msecs_to_jiffies(10000); - adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; - if (amdgpu_sriov_vf(adev)) - adev->compute_timeout = amdgpu_sriov_is_pp_one_vf(adev) ? - msecs_to_jiffies(60000) : msecs_to_jiffies(10000); - else - adev->compute_timeout = msecs_to_jiffies(60000); + /* By default timeout for all queues is 2 sec */ + adev->gfx_timeout = adev->compute_timeout = adev->sdma_timeout = + adev->video_timeout = msecs_to_jiffies(2000); - if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { - while ((timeout_setting = strsep(&input, ",")) && - strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { - ret = kstrtol(timeout_setting, 0, &timeout); - if (ret) - return ret; + if (!strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) + return 0; - if (timeout == 0) { - index++; - continue; - } else if (timeout < 0) { - timeout = MAX_SCHEDULE_TIMEOUT; - dev_warn(adev->dev, "lockup timeout disabled"); - add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK); - } else { - timeout = msecs_to_jiffies(timeout); - } + while ((timeout_setting = strsep(&input, ",")) && + strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { + ret = kstrtol(timeout_setting, 0, &timeout); + if (ret) + return ret; - switch (index++) { - case 0: - adev->gfx_timeout = timeout; - break; - case 1: - adev->compute_timeout = timeout; - break; - case 2: - adev->sdma_timeout = timeout; - break; - case 3: - adev->video_timeout = timeout; - break; - default: - break; - } + if (timeout == 0) { + index++; + continue; + } else if (timeout < 0) { + timeout = MAX_SCHEDULE_TIMEOUT; + dev_warn(adev->dev, "lockup timeout disabled"); + add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK); + } else { + timeout = msecs_to_jiffies(timeout); } - /* - * There is only one value specified and - * it should apply to all non-compute jobs. - */ - if (index == 1) { - adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; - if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) - adev->compute_timeout = adev->gfx_timeout; + + switch (index++) { + case 0: + adev->gfx_timeout = timeout; + break; + case 1: + adev->compute_timeout = timeout; + break; + case 2: + adev->sdma_timeout = timeout; + break; + case 3: + adev->video_timeout = timeout; + break; + default: + break; } } + /* When only one value specified apply it to all queues. */ + if (index == 1) + adev->gfx_timeout = adev->compute_timeout = adev->sdma_timeout = + adev->video_timeout = timeout; + return ret; } @@ -3684,29 +4424,88 @@ static void amdgpu_device_check_iommu_direct_map(struct amdgpu_device *adev) adev->ram_is_direct_mapped = true; } -static const struct attribute *amdgpu_dev_attributes[] = { - &dev_attr_product_name.attr, - &dev_attr_product_number.attr, - &dev_attr_serial_number.attr, - &dev_attr_pcie_replay_count.attr, - NULL -}; +#if defined(CONFIG_HSA_AMD_P2P) +/** + * amdgpu_device_check_iommu_remap - Check if DMA remapping is enabled. + * + * @adev: amdgpu_device pointer + * + * return if IOMMU remapping bar address + */ +static bool amdgpu_device_check_iommu_remap(struct amdgpu_device *adev) +{ + struct iommu_domain *domain; + + domain = iommu_get_domain_for_dev(adev->dev); + if (domain && (domain->type == IOMMU_DOMAIN_DMA || + domain->type == IOMMU_DOMAIN_DMA_FQ)) + return true; + + return false; +} +#endif static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) { if (amdgpu_mcbp == 1) adev->gfx.mcbp = true; - - if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) && - (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) && - adev->gfx.num_gfx_rings) - adev->gfx.mcbp = true; + else if (amdgpu_mcbp == 0) + adev->gfx.mcbp = false; if (amdgpu_sriov_vf(adev)) adev->gfx.mcbp = true; if (adev->gfx.mcbp) - DRM_INFO("MCBP is enabled\n"); + dev_info(adev->dev, "MCBP is enabled\n"); +} + +static int amdgpu_device_sys_interface_init(struct amdgpu_device *adev) +{ + int r; + + r = amdgpu_atombios_sysfs_init(adev); + if (r) + drm_err(&adev->ddev, + "registering atombios sysfs failed (%d).\n", r); + + r = amdgpu_pm_sysfs_init(adev); + if (r) + dev_err(adev->dev, "registering pm sysfs failed (%d).\n", r); + + r = amdgpu_ucode_sysfs_init(adev); + if (r) { + adev->ucode_sysfs_en = false; + dev_err(adev->dev, "Creating firmware sysfs failed (%d).\n", r); + } else + adev->ucode_sysfs_en = true; + + r = amdgpu_device_attr_sysfs_init(adev); + if (r) + dev_err(adev->dev, "Could not create amdgpu device attr\n"); + + r = devm_device_add_group(adev->dev, &amdgpu_board_attrs_group); + if (r) + dev_err(adev->dev, + "Could not create amdgpu board attributes\n"); + + amdgpu_fru_sysfs_init(adev); + amdgpu_reg_state_sysfs_init(adev); + amdgpu_xcp_sysfs_init(adev); + + return r; +} + +static void amdgpu_device_sys_interface_fini(struct amdgpu_device *adev) +{ + if (adev->pm.sysfs_initialized) + amdgpu_pm_sysfs_fini(adev); + if (adev->ucode_sysfs_en) + amdgpu_ucode_sysfs_fini(adev); + amdgpu_device_attr_sysfs_fini(adev); + amdgpu_fru_sysfs_fini(adev); + + amdgpu_reg_state_sysfs_fini(adev); + amdgpu_xcp_sysfs_fini(adev); } /** @@ -3722,7 +4521,6 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) int amdgpu_device_init(struct amdgpu_device *adev, uint32_t flags) { - struct drm_device *ddev = adev_to_drm(adev); struct pci_dev *pdev = adev->pdev; int r, i; bool px = false; @@ -3763,6 +4561,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, adev->pciep_wreg = &amdgpu_invalid_wreg; adev->pcie_rreg64 = &amdgpu_invalid_rreg64; adev->pcie_wreg64 = &amdgpu_invalid_wreg64; + adev->pcie_rreg64_ext = &amdgpu_invalid_rreg64_ext; + adev->pcie_wreg64_ext = &amdgpu_invalid_wreg64_ext; adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; adev->didt_rreg = &amdgpu_invalid_rreg; @@ -3772,12 +4572,15 @@ int amdgpu_device_init(struct amdgpu_device *adev, adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; - DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", - amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, - pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); + dev_info( + adev->dev, + "initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", + amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, + pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); /* mutex initialization are all done here so we - * can recall function without having locking issues */ + * can recall function without having locking issues + */ mutex_init(&adev->firmware.mutex); mutex_init(&adev->pm.mutex); mutex_init(&adev->gfx.gpu_clock_mutex); @@ -3793,6 +4596,17 @@ int amdgpu_device_init(struct amdgpu_device *adev, mutex_init(&adev->notifier_lock); mutex_init(&adev->pm.stable_pstate_ctx_lock); mutex_init(&adev->benchmark_mutex); + mutex_init(&adev->gfx.reset_sem_mutex); + /* Initialize the mutex for cleaner shader isolation between GFX and compute processes */ + mutex_init(&adev->enforce_isolation_mutex); + for (i = 0; i < MAX_XCP; ++i) { + adev->isolation[i].spearhead = dma_fence_get_stub(); + amdgpu_sync_create(&adev->isolation[i].active); + amdgpu_sync_create(&adev->isolation[i].prev); + } + mutex_init(&adev->gfx.userq_sch_mutex); + mutex_init(&adev->gfx.workload_profile_mutex); + mutex_init(&adev->vcn.workload_profile_mutex); amdgpu_device_init_apu_flags(adev); @@ -3809,20 +4623,41 @@ int amdgpu_device_init(struct amdgpu_device *adev, spin_lock_init(&adev->se_cac_idx_lock); spin_lock_init(&adev->audio_endpt_idx_lock); spin_lock_init(&adev->mm_stats.lock); + spin_lock_init(&adev->virt.rlcg_reg_lock); + spin_lock_init(&adev->wb.lock); - INIT_LIST_HEAD(&adev->shadow_list); - mutex_init(&adev->shadow_list_lock); + xa_init_flags(&adev->userq_xa, XA_FLAGS_LOCK_IRQ); INIT_LIST_HEAD(&adev->reset_list); INIT_LIST_HEAD(&adev->ras_list); + INIT_LIST_HEAD(&adev->pm.od_kobj_list); + + xa_init(&adev->userq_doorbell_xa); + INIT_DELAYED_WORK(&adev->delayed_init_work, amdgpu_device_delayed_init_work_handler); INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, amdgpu_device_delay_enable_gfx_off); + /* + * Initialize the enforce_isolation work structures for each XCP + * partition. This work handler is responsible for enforcing shader + * isolation on AMD GPUs. It counts the number of emitted fences for + * each GFX and compute ring. If there are any fences, it schedules + * the `enforce_isolation_work` to be run after a delay. If there are + * no fences, it signals the Kernel Fusion Driver (KFD) to resume the + * runqueue. + */ + for (i = 0; i < MAX_XCP; i++) { + INIT_DELAYED_WORK(&adev->gfx.enforce_isolation[i].work, + amdgpu_gfx_enforce_isolation_handler); + adev->gfx.enforce_isolation[i].adev = adev; + adev->gfx.enforce_isolation[i].xcp_id = i; + } INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); + INIT_WORK(&adev->userq_reset_work, amdgpu_userq_reset_work); adev->gfx.gfx_off_req_count = 1; adev->gfx.gfx_off_residency = 0; @@ -3838,6 +4673,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, * for throttling interrupt) = 60 seconds. */ ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); + ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); /* Registers mapping */ @@ -3854,15 +4690,17 @@ int amdgpu_device_init(struct amdgpu_device *adev, atomic_set(&adev->pm.pwr_state[i], POWER_STATE_UNKNOWN); adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); - if (adev->rmmio == NULL) { + if (!adev->rmmio) return -ENOMEM; - } - DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); - DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); + + dev_info(adev->dev, "register mmio base: 0x%08X\n", + (uint32_t)adev->rmmio_base); + dev_info(adev->dev, "register mmio size: %u\n", + (unsigned int)adev->rmmio_size); /* * Reset domain needs to be present early, before XGMI hive discovered - * (if any) and intitialized to use reset sem and in_gpu reset flag + * (if any) and initialized to use reset sem and in_gpu reset flag * early on during init and before calling to RREG32. */ adev->reset_domain = amdgpu_reset_create_reset_domain(SINGLE_DEVICE, "amdgpu-reset-dev"); @@ -3870,7 +4708,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, return -ENOMEM; /* detect hw virtualization here */ - amdgpu_detect_virtualization(adev); + amdgpu_virt_init(adev); amdgpu_device_get_pcie_info(adev); @@ -3880,21 +4718,41 @@ int amdgpu_device_init(struct amdgpu_device *adev, return r; } + amdgpu_device_set_mcbp(adev); + + /* + * By default, use default mode where all blocks are expected to be + * initialized. At present a 'swinit' of blocks is required to be + * completed before the need for a different level is detected. + */ + amdgpu_set_init_level(adev, AMDGPU_INIT_LEVEL_DEFAULT); /* early init functions */ r = amdgpu_device_ip_early_init(adev); if (r) return r; - amdgpu_device_set_mcbp(adev); - - /* Get rid of things like offb */ - r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver); - if (r) - return r; + /* + * No need to remove conflicting FBs for non-display class devices. + * This prevents the sysfb from being freed accidently. + */ + if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA || + (pdev->class >> 8) == PCI_CLASS_DISPLAY_OTHER) { + /* Get rid of things like offb */ + r = aperture_remove_conflicting_pci_devices(adev->pdev, amdgpu_kms_driver.name); + if (r) + return r; + } /* Enable TMZ based on IP_VERSION */ amdgpu_gmc_tmz_set(adev); + if (amdgpu_sriov_vf(adev) && + amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(10, 3, 0)) + /* VF MMIO access (except mailbox range) from CPU + * will be blocked during sriov runtime + */ + adev->virt.caps |= AMDGPU_VF_MMIO_ACCESS_PROTECT; + amdgpu_gmc_noretry_set(adev); /* Need to get xgmi info early to decide the reset behavior*/ if (adev->gmc.xgmi.supported) { @@ -3913,7 +4771,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, * internal path natively support atomics, set have_atomics_support to true. */ } else if ((adev->flags & AMD_IS_APU) && - (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0))) { + (amdgpu_ip_version(adev, GC_HWIP, 0) > + IP_VERSION(9, 0, 0))) { adev->have_atomics_support = true; } else { adev->have_atomics_support = @@ -3926,7 +4785,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, dev_info(adev->dev, "PCIE atomic ops is not supported\n"); /* doorbell bar mapping and doorbell index init*/ - amdgpu_device_doorbell_init(adev); + amdgpu_doorbell_init(adev); if (amdgpu_emu_mode == 1) { /* post the asic on emulation mode */ @@ -3946,32 +4805,24 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { if (adev->gmc.xgmi.num_physical_nodes) { dev_info(adev->dev, "Pending hive reset.\n"); - adev->gmc.xgmi.pending_reset = true; - /* Only need to init necessary block for SMU to handle the reset */ - for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_blocks[i].status.valid) - continue; - if (!(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || - adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || - adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || - adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)) { - DRM_DEBUG("IP %s disabled for hw_init.\n", - adev->ip_blocks[i].version->funcs->name); - adev->ip_blocks[i].status.hw = true; - } - } + amdgpu_set_init_level(adev, + AMDGPU_INIT_LEVEL_MINIMAL_XGMI); + } else if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 10) && + !amdgpu_device_has_display_hardware(adev)) { + r = psp_gpu_reset(adev); } else { - tmp = amdgpu_reset_method; - /* It should do a default reset when loading or reloading the driver, - * regardless of the module parameter reset_method. - */ - amdgpu_reset_method = AMD_RESET_METHOD_NONE; - r = amdgpu_asic_reset(adev); - amdgpu_reset_method = tmp; - if (r) { - dev_err(adev->dev, "asic reset on init failed\n"); - goto failed; - } + tmp = amdgpu_reset_method; + /* It should do a default reset when loading or reloading the driver, + * regardless of the module parameter reset_method. + */ + amdgpu_reset_method = AMD_RESET_METHOD_NONE; + r = amdgpu_asic_reset(adev); + amdgpu_reset_method = tmp; + } + + if (r) { + dev_err(adev->dev, "asic reset on init failed\n"); + goto failed; } } @@ -3982,7 +4833,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, r = -EINVAL; goto failed; } - DRM_INFO("GPU posting now...\n"); + dev_info(adev->dev, "GPU posting now...\n"); r = amdgpu_device_asic_init(adev); if (r) { dev_err(adev->dev, "gpu post error!\n"); @@ -4008,8 +4859,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, goto failed; } /* init i2c buses */ - if (!amdgpu_device_has_dc_support(adev)) - amdgpu_atombios_i2c_init(adev); + amdgpu_i2c_init(adev); } } @@ -4053,30 +4903,6 @@ fence_driver_init: /* Get a log2 for easy divisions. */ adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); - r = amdgpu_atombios_sysfs_init(adev); - if (r) - drm_err(&adev->ddev, - "registering atombios sysfs failed (%d).\n", r); - - r = amdgpu_pm_sysfs_init(adev); - if (r) - DRM_ERROR("registering pm sysfs failed (%d).\n", r); - - r = amdgpu_ucode_sysfs_init(adev); - if (r) { - adev->ucode_sysfs_en = false; - DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); - } else - adev->ucode_sysfs_en = true; - - r = amdgpu_psp_sysfs_init(adev); - if (r) { - adev->psp_sysfs_en = false; - if (!amdgpu_sriov_vf(adev)) - DRM_ERROR("Creating psp sysfs failed\n"); - } else - adev->psp_sysfs_en = true; - /* * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. * Otherwise the mgpu fan boost feature will be skipped due to the @@ -4087,7 +4913,7 @@ fence_driver_init: /* enable clockgating, etc. after ib tests, etc. since some blocks require * explicit gating rather than handling it automatically. */ - if (!adev->gmc.xgmi.pending_reset) { + if (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) { r = amdgpu_device_ip_late_init(adev); if (r) { dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); @@ -4105,9 +4931,14 @@ fence_driver_init: flush_delayed_work(&adev->delayed_init_work); } - r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); - if (r) - dev_err(adev->dev, "Could not create amdgpu device attr\n"); + if (adev->init_lvl->level == AMDGPU_INIT_LEVEL_MINIMAL_XGMI) + amdgpu_xgmi_reset_on_init(adev); + /* + * Place those sysfs registering after `late_init`. As some of those + * operations performed in `late_init` might affect the sysfs + * interfaces creating. + */ + r = amdgpu_device_sys_interface_init(adev); if (IS_ENABLED(CONFIG_PERF_EVENTS)) r = amdgpu_pmu_init(adev); @@ -4120,13 +4951,14 @@ fence_driver_init: /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ /* this will fail for cards that aren't VGA class devices, just - * ignore it */ + * ignore it + */ if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) vga_client_register(adev->pdev, amdgpu_device_vga_set_decode); - px = amdgpu_device_supports_px(ddev); + px = amdgpu_device_supports_px(adev); - if (px || (!pci_is_thunderbolt_attached(adev->pdev) && + if (px || (!dev_is_removable(&adev->pdev->dev) && apple_gmux_detect(NULL, NULL))) vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, px); @@ -4134,12 +4966,13 @@ fence_driver_init: if (px) vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); - if (adev->gmc.xgmi.pending_reset) - queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work, - msecs_to_jiffies(AMDGPU_RESUME_MS)); - amdgpu_device_check_iommu_direct_map(adev); + adev->pm_nb.notifier_call = amdgpu_device_pm_notifier; + r = register_pm_notifier(&adev->pm_nb); + if (r) + goto failed; + return 0; release_ras_con: @@ -4172,7 +5005,7 @@ static void amdgpu_device_unmap_mmio(struct amdgpu_device *adev) unmap_mapping_range(adev->ddev.anon_inode->i_mapping, 0, 0, 1); /* Unmap all mapped bars - Doorbell, registers and VRAM */ - amdgpu_device_doorbell_fini(adev); + amdgpu_doorbell_fini(adev); iounmap(adev->rmmio); adev->rmmio = NULL; @@ -4199,11 +5032,16 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev) { dev_info(adev->dev, "amdgpu: finishing device.\n"); flush_delayed_work(&adev->delayed_init_work); + + if (adev->mman.initialized) + drain_workqueue(adev->mman.bdev.wq); adev->shutdown = true; + unregister_pm_notifier(&adev->pm_nb); + /* make sure IB test finished before entering exclusive mode * to avoid preemption on IB test - * */ + */ if (amdgpu_sriov_vf(adev)) { amdgpu_virt_request_full_gpu(adev, false); amdgpu_virt_fini_data_exchange(adev); @@ -4219,20 +5057,13 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev) } amdgpu_fence_driver_hw_fini(adev); - if (adev->mman.initialized) - drain_workqueue(adev->mman.bdev.wq); - - if (adev->pm.sysfs_initialized) - amdgpu_pm_sysfs_fini(adev); - if (adev->ucode_sysfs_en) - amdgpu_ucode_sysfs_fini(adev); - if (adev->psp_sysfs_en) - amdgpu_psp_sysfs_fini(adev); - sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); + amdgpu_device_sys_interface_fini(adev); /* disable ras feature must before hw fini */ amdgpu_ras_pre_fini(adev); + amdgpu_ttm_set_buffer_funcs_status(adev, false); + amdgpu_device_ip_fini_early(adev); amdgpu_irq_fini_hw(adev); @@ -4249,30 +5080,40 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev) void amdgpu_device_fini_sw(struct amdgpu_device *adev) { - int idx; + int i, idx; bool px; - amdgpu_fence_driver_sw_fini(adev); amdgpu_device_ip_fini(adev); + amdgpu_fence_driver_sw_fini(adev); amdgpu_ucode_release(&adev->firmware.gpu_info_fw); adev->accel_working = false; dma_fence_put(rcu_dereference_protected(adev->gang_submit, true)); + for (i = 0; i < MAX_XCP; ++i) { + dma_fence_put(adev->isolation[i].spearhead); + amdgpu_sync_free(&adev->isolation[i].active); + amdgpu_sync_free(&adev->isolation[i].prev); + } amdgpu_reset_fini(adev); /* free i2c buses */ - if (!amdgpu_device_has_dc_support(adev)) - amdgpu_i2c_fini(adev); + amdgpu_i2c_fini(adev); + + if (adev->bios) { + if (amdgpu_emu_mode != 1) + amdgpu_atombios_fini(adev); + amdgpu_bios_release(adev); + } - if (amdgpu_emu_mode != 1) - amdgpu_atombios_fini(adev); + kfree(adev->fru_info); + adev->fru_info = NULL; - kfree(adev->bios); - adev->bios = NULL; + kfree(adev->xcp_mgr); + adev->xcp_mgr = NULL; - px = amdgpu_device_supports_px(adev_to_drm(adev)); + px = amdgpu_device_supports_px(adev); - if (px || (!pci_is_thunderbolt_attached(adev->pdev) && + if (px || (!dev_is_removable(&adev->pdev->dev) && apple_gmux_detect(NULL, NULL))) vga_switcheroo_unregister_client(adev->pdev); @@ -4286,20 +5127,20 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev) iounmap(adev->rmmio); adev->rmmio = NULL; - amdgpu_device_doorbell_fini(adev); drm_dev_exit(idx); } if (IS_ENABLED(CONFIG_PERF_EVENTS)) amdgpu_pmu_fini(adev); - if (adev->mman.discovery_bin) + if (adev->discovery.bin) amdgpu_discovery_fini(adev); amdgpu_reset_put_reset_domain(adev->reset_domain); adev->reset_domain = NULL; kfree(adev->pci_state); - + kfree(adev->pcie_reset_ctx.swds_pcistate); + kfree(adev->pcie_reset_ctx.swus_pcistate); } /** @@ -4315,13 +5156,25 @@ static int amdgpu_device_evict_resources(struct amdgpu_device *adev) { int ret; - /* No need to evict vram on APUs for suspend to ram or s2idle */ - if ((adev->in_s3 || adev->in_s0ix) && (adev->flags & AMD_IS_APU)) + /* No need to evict vram on APUs unless going to S4 */ + if (!adev->in_s4 && (adev->flags & AMD_IS_APU)) + return 0; + + /* No need to evict when going to S5 through S4 callbacks */ + if (system_state == SYSTEM_POWER_OFF) return 0; ret = amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM); - if (ret) - DRM_WARN("evicting device resources failed\n"); + if (ret) { + dev_warn(adev->dev, "evicting device resources failed\n"); + return ret; + } + + if (adev->in_s4) { + ret = ttm_device_prepare_hibernation(&adev->mman.bdev); + if (ret) + dev_err(adev->dev, "prepare hibernation failed, %d\n", ret); + } return ret; } @@ -4329,77 +5182,245 @@ static int amdgpu_device_evict_resources(struct amdgpu_device *adev) * Suspend & resume. */ /** - * amdgpu_device_suspend - initiate device suspend + * amdgpu_device_pm_notifier - Notification block for Suspend/Hibernate events + * @nb: notifier block + * @mode: suspend mode + * @data: data + * + * This function is called when the system is about to suspend or hibernate. + * It is used to set the appropriate flags so that eviction can be optimized + * in the pm prepare callback. + */ +static int amdgpu_device_pm_notifier(struct notifier_block *nb, unsigned long mode, + void *data) +{ + struct amdgpu_device *adev = container_of(nb, struct amdgpu_device, pm_nb); + + switch (mode) { + case PM_HIBERNATION_PREPARE: + adev->in_s4 = true; + break; + case PM_POST_HIBERNATION: + adev->in_s4 = false; + break; + } + + return NOTIFY_DONE; +} + +/** + * amdgpu_device_prepare - prepare for device suspend * * @dev: drm dev pointer - * @fbcon : notify the fbdev of suspend * - * Puts the hw in the suspend state (all asics). + * Prepare to put the hw in the suspend state (all asics). * Returns 0 for success or an error on failure. * Called at driver suspend. */ -int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) +int amdgpu_device_prepare(struct drm_device *dev) { struct amdgpu_device *adev = drm_to_adev(dev); - int r = 0; + int i, r; if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; - adev->in_suspend = true; - - /* Evict the majority of BOs before grabbing the full access */ + /* Evict the majority of BOs before starting suspend sequence */ r = amdgpu_device_evict_resources(adev); if (r) return r; + flush_delayed_work(&adev->gfx.gfx_off_delay_work); + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + if (!adev->ip_blocks[i].version->funcs->prepare_suspend) + continue; + r = adev->ip_blocks[i].version->funcs->prepare_suspend(&adev->ip_blocks[i]); + if (r) + return r; + } + + return 0; +} + +/** + * amdgpu_device_complete - complete power state transition + * + * @dev: drm dev pointer + * + * Undo the changes from amdgpu_device_prepare. This will be + * called on all resume transitions, including those that failed. + */ +void amdgpu_device_complete(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + int i; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + if (!adev->ip_blocks[i].version->funcs->complete) + continue; + adev->ip_blocks[i].version->funcs->complete(&adev->ip_blocks[i]); + } +} + +/** + * amdgpu_device_suspend - initiate device suspend + * + * @dev: drm dev pointer + * @notify_clients: notify in-kernel DRM clients + * + * Puts the hw in the suspend state (all asics). + * Returns 0 for success or an error on failure. + * Called at driver suspend. + */ +int amdgpu_device_suspend(struct drm_device *dev, bool notify_clients) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + int r, rec; + + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; + + adev->in_suspend = true; + if (amdgpu_sriov_vf(adev)) { + if (!adev->in_runpm) + amdgpu_amdkfd_suspend_process(adev); amdgpu_virt_fini_data_exchange(adev); r = amdgpu_virt_request_full_gpu(adev, false); if (r) return r; } - if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3)) - DRM_WARN("smart shift update failed\n"); + r = amdgpu_acpi_smart_shift_update(adev, AMDGPU_SS_DEV_D3); + if (r) + goto unwind_sriov; - if (fbcon) - drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true); + if (notify_clients) + drm_client_dev_suspend(adev_to_drm(adev)); cancel_delayed_work_sync(&adev->delayed_init_work); amdgpu_ras_suspend(adev); - amdgpu_device_ip_suspend_phase1(adev); + r = amdgpu_device_ip_suspend_phase1(adev); + if (r) + goto unwind_smartshift; - if (!adev->in_s0ix) - amdgpu_amdkfd_suspend(adev, adev->in_runpm); + amdgpu_amdkfd_suspend(adev, !amdgpu_sriov_vf(adev) && !adev->in_runpm); + r = amdgpu_userq_suspend(adev); + if (r) + goto unwind_ip_phase1; r = amdgpu_device_evict_resources(adev); if (r) - return r; + goto unwind_userq; + + amdgpu_ttm_set_buffer_funcs_status(adev, false); amdgpu_fence_driver_hw_fini(adev); - amdgpu_device_ip_suspend_phase2(adev); + r = amdgpu_device_ip_suspend_phase2(adev); + if (r) + goto unwind_evict; if (amdgpu_sriov_vf(adev)) amdgpu_virt_release_full_gpu(adev, false); return 0; + +unwind_evict: + if (adev->mman.buffer_funcs_ring->sched.ready) + amdgpu_ttm_set_buffer_funcs_status(adev, true); + amdgpu_fence_driver_hw_init(adev); + +unwind_userq: + rec = amdgpu_userq_resume(adev); + if (rec) { + dev_warn(adev->dev, "failed to re-initialize user queues: %d\n", rec); + return r; + } + rec = amdgpu_amdkfd_resume(adev, !amdgpu_sriov_vf(adev) && !adev->in_runpm); + if (rec) { + dev_warn(adev->dev, "failed to re-initialize kfd: %d\n", rec); + return r; + } + +unwind_ip_phase1: + /* suspend phase 1 = resume phase 3 */ + rec = amdgpu_device_ip_resume_phase3(adev); + if (rec) { + dev_warn(adev->dev, "failed to re-initialize IPs phase1: %d\n", rec); + return r; + } + +unwind_smartshift: + rec = amdgpu_acpi_smart_shift_update(adev, AMDGPU_SS_DEV_D0); + if (rec) { + dev_warn(adev->dev, "failed to re-update smart shift: %d\n", rec); + return r; + } + + if (notify_clients) + drm_client_dev_resume(adev_to_drm(adev)); + + amdgpu_ras_resume(adev); + +unwind_sriov: + if (amdgpu_sriov_vf(adev)) { + rec = amdgpu_virt_request_full_gpu(adev, true); + if (rec) { + dev_warn(adev->dev, "failed to reinitialize sriov: %d\n", rec); + return r; + } + } + + adev->in_suspend = adev->in_s0ix = adev->in_s3 = false; + + return r; +} + +static inline int amdgpu_virt_resume(struct amdgpu_device *adev) +{ + int r; + unsigned int prev_physical_node_id = adev->gmc.xgmi.physical_node_id; + + /* During VM resume, QEMU programming of VF MSIX table (register GFXMSIX_VECT0_ADDR_LO) + * may not work. The access could be blocked by nBIF protection as VF isn't in + * exclusive access mode. Exclusive access is enabled now, disable/enable MSIX + * so that QEMU reprograms MSIX table. + */ + amdgpu_restore_msix(adev); + + r = adev->gfxhub.funcs->get_xgmi_info(adev); + if (r) + return r; + + dev_info(adev->dev, "xgmi node, old id %d, new id %d\n", + prev_physical_node_id, adev->gmc.xgmi.physical_node_id); + + adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev); + adev->vm_manager.vram_base_offset += + adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size; + + return 0; } /** * amdgpu_device_resume - initiate device resume * * @dev: drm dev pointer - * @fbcon : notify the fbdev of resume + * @notify_clients: notify in-kernel DRM clients * * Bring the hw back to operating state (all asics). * Returns 0 for success or an error on failure. * Called at driver resume. */ -int amdgpu_device_resume(struct drm_device *dev, bool fbcon) +int amdgpu_device_resume(struct drm_device *dev, bool notify_clients) { struct amdgpu_device *adev = drm_to_adev(dev); int r = 0; @@ -4410,6 +5431,12 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon) return r; } + if (amdgpu_virt_xgmi_migrate_enabled(adev)) { + r = amdgpu_virt_resume(adev); + if (r) + goto exit; + } + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; @@ -4429,7 +5456,14 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon) dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); goto exit; } - amdgpu_fence_driver_hw_init(adev); + + r = amdgpu_amdkfd_resume(adev, !amdgpu_sriov_vf(adev) && !adev->in_runpm); + if (r) + goto exit; + + r = amdgpu_userq_resume(adev); + if (r) + goto exit; r = amdgpu_device_ip_late_init(adev); if (r) @@ -4437,17 +5471,13 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon) queue_delayed_work(system_wq, &adev->delayed_init_work, msecs_to_jiffies(AMDGPU_RESUME_MS)); - - if (!adev->in_s0ix) { - r = amdgpu_amdkfd_resume(adev, adev->in_runpm); - if (r) - goto exit; - } - exit: if (amdgpu_sriov_vf(adev)) { amdgpu_virt_init_data_exchange(adev); amdgpu_virt_release_full_gpu(adev, true); + + if (!r && !adev->in_runpm) + r = amdgpu_amdkfd_resume_process(adev); } if (r) @@ -4456,8 +5486,8 @@ exit: /* Make sure IB tests flushed */ flush_delayed_work(&adev->delayed_init_work); - if (fbcon) - drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, false); + if (notify_clients) + drm_client_dev_resume(adev_to_drm(adev)); amdgpu_ras_resume(adev); @@ -4482,13 +5512,12 @@ exit: dev->dev->power.disable_depth--; #endif } - adev->in_suspend = false; - if (adev->enable_mes) - amdgpu_mes_self_test(adev); + amdgpu_vram_mgr_clear_reset_blocks(adev); + adev->in_suspend = false; - if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0)) - DRM_WARN("smart shift update failed\n"); + if (amdgpu_acpi_smart_shift_update(adev, AMDGPU_SS_DEV_D0)) + dev_warn(adev->dev, "smart shift update failed\n"); return 0; } @@ -4519,7 +5548,8 @@ static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].version->funcs->check_soft_reset) adev->ip_blocks[i].status.hang = - adev->ip_blocks[i].version->funcs->check_soft_reset(adev); + adev->ip_blocks[i].version->funcs->check_soft_reset( + &adev->ip_blocks[i]); if (adev->ip_blocks[i].status.hang) { dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); asic_hang = true; @@ -4548,7 +5578,7 @@ static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hang && adev->ip_blocks[i].version->funcs->pre_soft_reset) { - r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); + r = adev->ip_blocks[i].version->funcs->pre_soft_reset(&adev->ip_blocks[i]); if (r) return r; } @@ -4610,7 +5640,7 @@ static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hang && adev->ip_blocks[i].version->funcs->soft_reset) { - r = adev->ip_blocks[i].version->funcs->soft_reset(adev); + r = adev->ip_blocks[i].version->funcs->soft_reset(&adev->ip_blocks[i]); if (r) return r; } @@ -4639,7 +5669,7 @@ static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hang && adev->ip_blocks[i].version->funcs->post_soft_reset) - r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); + r = adev->ip_blocks[i].version->funcs->post_soft_reset(&adev->ip_blocks[i]); if (r) return r; } @@ -4648,108 +5678,42 @@ static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) } /** - * amdgpu_device_recover_vram - Recover some VRAM contents - * - * @adev: amdgpu_device pointer - * - * Restores the contents of VRAM buffers from the shadows in GTT. Used to - * restore things like GPUVM page tables after a GPU reset where - * the contents of VRAM might be lost. - * - * Returns: - * 0 on success, negative error code on failure. - */ -static int amdgpu_device_recover_vram(struct amdgpu_device *adev) -{ - struct dma_fence *fence = NULL, *next = NULL; - struct amdgpu_bo *shadow; - struct amdgpu_bo_vm *vmbo; - long r = 1, tmo; - - if (amdgpu_sriov_runtime(adev)) - tmo = msecs_to_jiffies(8000); - else - tmo = msecs_to_jiffies(100); - - dev_info(adev->dev, "recover vram bo from shadow start\n"); - mutex_lock(&adev->shadow_list_lock); - list_for_each_entry(vmbo, &adev->shadow_list, shadow_list) { - /* If vm is compute context or adev is APU, shadow will be NULL */ - if (!vmbo->shadow) - continue; - shadow = vmbo->shadow; - - /* No need to recover an evicted BO */ - if (shadow->tbo.resource->mem_type != TTM_PL_TT || - shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || - shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) - continue; - - r = amdgpu_bo_restore_shadow(shadow, &next); - if (r) - break; - - if (fence) { - tmo = dma_fence_wait_timeout(fence, false, tmo); - dma_fence_put(fence); - fence = next; - if (tmo == 0) { - r = -ETIMEDOUT; - break; - } else if (tmo < 0) { - r = tmo; - break; - } - } else { - fence = next; - } - } - mutex_unlock(&adev->shadow_list_lock); - - if (fence) - tmo = dma_fence_wait_timeout(fence, false, tmo); - dma_fence_put(fence); - - if (r < 0 || tmo <= 0) { - dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); - return -EIO; - } - - dev_info(adev->dev, "recover vram bo from shadow done\n"); - return 0; -} - - -/** * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf * * @adev: amdgpu_device pointer - * @from_hypervisor: request from hypervisor + * @reset_context: amdgpu reset context pointer * * do VF FLR and reinitialize Asic * return 0 means succeeded otherwise failed */ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, - bool from_hypervisor) + struct amdgpu_reset_context *reset_context) { int r; struct amdgpu_hive_info *hive = NULL; - int retry_limit = 0; -retry: - amdgpu_amdkfd_pre_reset(adev); - - if (from_hypervisor) + if (test_bit(AMDGPU_HOST_FLR, &reset_context->flags)) { + if (!amdgpu_ras_get_fed_status(adev)) + amdgpu_virt_ready_to_reset(adev); + amdgpu_virt_wait_reset(adev); + clear_bit(AMDGPU_HOST_FLR, &reset_context->flags); r = amdgpu_virt_request_full_gpu(adev, true); - else + } else { r = amdgpu_virt_reset_gpu(adev); + } if (r) return r; + amdgpu_ras_clear_err_state(adev); + amdgpu_irq_gpu_reset_resume_helper(adev); + + /* some sw clean up VF needs to do before recover */ + amdgpu_virt_post_reset(adev); + /* Resume IP prior to SMC */ r = amdgpu_device_ip_reinit_early_sriov(adev); if (r) - goto error; + return r; amdgpu_virt_init_data_exchange(adev); @@ -4760,64 +5724,64 @@ retry: /* now we are okay to resume SMC/CP/SDMA */ r = amdgpu_device_ip_reinit_late_sriov(adev); if (r) - goto error; + return r; hive = amdgpu_get_xgmi_hive(adev); /* Update PSP FW topology after reset */ if (hive && adev->gmc.xgmi.num_physical_nodes > 1) r = amdgpu_xgmi_update_topology(hive, adev); - if (hive) amdgpu_put_xgmi_hive(hive); + if (r) + return r; - if (!r) { - amdgpu_irq_gpu_reset_resume_helper(adev); - r = amdgpu_ib_ring_tests(adev); - - amdgpu_amdkfd_post_reset(adev); - } + r = amdgpu_ib_ring_tests(adev); + if (r) + return r; -error: - if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { + if (adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) amdgpu_inc_vram_lost(adev); - r = amdgpu_device_recover_vram(adev); - } + + /* need to be called during full access so we can't do it later like + * bare-metal does. + */ + amdgpu_amdkfd_post_reset(adev); amdgpu_virt_release_full_gpu(adev, true); - if (AMDGPU_RETRY_SRIOV_RESET(r)) { - if (retry_limit < AMDGPU_MAX_RETRY_LIMIT) { - retry_limit++; - goto retry; - } else - DRM_ERROR("GPU reset retry is beyond the retry limit\n"); - } + /* Aldebaran and gfx_11_0_3 support ras in SRIOV, so need resume ras during reset */ + if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 4) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0) || + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(11, 0, 3)) + amdgpu_ras_resume(adev); - return r; + amdgpu_virt_ras_telemetry_post_reset(adev); + + return 0; } /** - * amdgpu_device_has_job_running - check if there is any job in mirror list + * amdgpu_device_has_job_running - check if there is any unfinished job * * @adev: amdgpu_device pointer * - * check if there is any job in mirror list + * check if there is any job running on the device when guest driver receives + * FLR notification from host driver. If there are still jobs running, then + * the guest driver will not respond the FLR reset. Instead, let the job hit + * the timeout and guest driver then issue the reset request. */ bool amdgpu_device_has_job_running(struct amdgpu_device *adev) { int i; - struct drm_sched_job *job; for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!amdgpu_ring_sched_ready(ring)) continue; - spin_lock(&ring->sched.job_list_lock); - job = list_first_entry_or_null(&ring->sched.pending_list, - struct drm_sched_job, list); - spin_unlock(&ring->sched.job_list_lock); - if (job) + if (amdgpu_fence_count_emitted(ring)) return true; } return false; @@ -4879,15 +5843,19 @@ int amdgpu_device_mode1_reset(struct amdgpu_device *adev) u32 i; int ret = 0; - amdgpu_atombios_scratch_regs_engine_hung(adev, true); + if (adev->bios) + amdgpu_atombios_scratch_regs_engine_hung(adev, true); dev_info(adev->dev, "GPU mode1 reset\n"); + /* Cache the state before bus master disable. The saved config space + * values are used in other cases like restore after mode-2 reset. + */ + amdgpu_device_cache_pci_state(adev->pdev); + /* disable BM */ pci_clear_master(adev->pdev); - amdgpu_device_cache_pci_state(adev->pdev); - if (amdgpu_dpm_is_mode1_reset_supported(adev)) { dev_info(adev->dev, "GPU smu mode1 reset\n"); ret = amdgpu_dpm_mode1_reset(adev); @@ -4897,9 +5865,12 @@ int amdgpu_device_mode1_reset(struct amdgpu_device *adev) } if (ret) - dev_err(adev->dev, "GPU mode1 reset failed\n"); + goto mode1_reset_failed; amdgpu_device_load_pci_state(adev->pdev); + ret = amdgpu_psp_wait_for_bootloader(adev); + if (ret) + goto mode1_reset_failed; /* wait for asic to come out of reset */ for (i = 0; i < adev->usec_timeout; i++) { @@ -4910,7 +5881,41 @@ int amdgpu_device_mode1_reset(struct amdgpu_device *adev) udelay(1); } - amdgpu_atombios_scratch_regs_engine_hung(adev, false); + if (i >= adev->usec_timeout) { + ret = -ETIMEDOUT; + goto mode1_reset_failed; + } + + if (adev->bios) + amdgpu_atombios_scratch_regs_engine_hung(adev, false); + + return 0; + +mode1_reset_failed: + dev_err(adev->dev, "GPU mode1 reset failed\n"); + return ret; +} + +int amdgpu_device_link_reset(struct amdgpu_device *adev) +{ + int ret = 0; + + dev_info(adev->dev, "GPU link reset\n"); + + if (!amdgpu_reset_in_dpc(adev)) + ret = amdgpu_dpm_link_reset(adev); + + if (ret) + goto link_reset_failed; + + ret = amdgpu_psp_wait_for_bootloader(adev); + if (ret) + goto link_reset_failed; + + return 0; + +link_reset_failed: + dev_err(adev->dev, "GPU link reset failed\n"); return ret; } @@ -4919,16 +5924,15 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, { int i, r = 0; struct amdgpu_job *job = NULL; + struct amdgpu_device *tmp_adev = reset_context->reset_req_dev; bool need_full_reset = test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); if (reset_context->reset_req_dev == adev) job = reset_context->job; - if (amdgpu_sriov_vf(adev)) { - /* stop the data exchange thread */ - amdgpu_virt_fini_data_exchange(adev); - } + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_pre_reset(adev); amdgpu_fence_driver_isr_toggle(adev, true); @@ -4936,13 +5940,9 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!amdgpu_ring_sched_ready(ring)) continue; - /*clear job fence from fence drv to avoid force_completion - *leave NULL and vm flush fence in fence drv */ - amdgpu_fence_driver_clear_job_fences(ring); - /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ amdgpu_fence_driver_force_completion(ring); } @@ -4954,7 +5954,7 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, r = amdgpu_reset_prepare_hwcontext(adev, reset_context); /* If reset handler not implemented, continue; otherwise return */ - if (r == -ENOSYS) + if (r == -EOPNOTSUPP) r = 0; else return r; @@ -4976,6 +5976,16 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, } } + if (!test_bit(AMDGPU_SKIP_COREDUMP, &reset_context->flags)) { + dev_info(tmp_adev->dev, "Dumping IP State\n"); + /* Trigger ip dump before we reset the asic */ + for (i = 0; i < tmp_adev->num_ip_blocks; i++) + if (tmp_adev->ip_blocks[i].version->funcs->dump_ip_state) + tmp_adev->ip_blocks[i].version->funcs + ->dump_ip_state((void *)&tmp_adev->ip_blocks[i]); + dev_info(tmp_adev->dev, "Dumping IP State Completed\n"); + } + if (need_full_reset) r = amdgpu_device_ip_suspend(adev); if (need_full_reset) @@ -4988,188 +5998,55 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, return r; } -static int amdgpu_reset_reg_dumps(struct amdgpu_device *adev) -{ - int i; - - lockdep_assert_held(&adev->reset_domain->sem); - - for (i = 0; i < adev->num_regs; i++) { - adev->reset_dump_reg_value[i] = RREG32(adev->reset_dump_reg_list[i]); - trace_amdgpu_reset_reg_dumps(adev->reset_dump_reg_list[i], - adev->reset_dump_reg_value[i]); - } - - return 0; -} - -#ifdef CONFIG_DEV_COREDUMP -static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset, - size_t count, void *data, size_t datalen) +int amdgpu_device_reinit_after_reset(struct amdgpu_reset_context *reset_context) { - struct drm_printer p; - struct amdgpu_device *adev = data; - struct drm_print_iterator iter; - int i; - - iter.data = buffer; - iter.offset = 0; - iter.start = offset; - iter.remain = count; - - p = drm_coredump_printer(&iter); - - drm_printf(&p, "**** AMDGPU Device Coredump ****\n"); - drm_printf(&p, "kernel: " UTS_RELEASE "\n"); - drm_printf(&p, "module: " KBUILD_MODNAME "\n"); - drm_printf(&p, "time: %lld.%09ld\n", adev->reset_time.tv_sec, adev->reset_time.tv_nsec); - if (adev->reset_task_info.pid) - drm_printf(&p, "process_name: %s PID: %d\n", - adev->reset_task_info.process_name, - adev->reset_task_info.pid); - - if (adev->reset_vram_lost) - drm_printf(&p, "VRAM is lost due to GPU reset!\n"); - if (adev->num_regs) { - drm_printf(&p, "AMDGPU register dumps:\nOffset: Value:\n"); - - for (i = 0; i < adev->num_regs; i++) - drm_printf(&p, "0x%08x: 0x%08x\n", - adev->reset_dump_reg_list[i], - adev->reset_dump_reg_value[i]); - } - - return count - iter.remain; -} - -static void amdgpu_devcoredump_free(void *data) -{ -} - -static void amdgpu_reset_capture_coredumpm(struct amdgpu_device *adev) -{ - struct drm_device *dev = adev_to_drm(adev); - - ktime_get_ts64(&adev->reset_time); - dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL, - amdgpu_devcoredump_read, amdgpu_devcoredump_free); -} -#endif - -int amdgpu_do_asic_reset(struct list_head *device_list_handle, - struct amdgpu_reset_context *reset_context) -{ - struct amdgpu_device *tmp_adev = NULL; - bool need_full_reset, skip_hw_reset, vram_lost = false; - int r = 0; - bool gpu_reset_for_dev_remove = 0; - - /* Try reset handler method first */ - tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, - reset_list); - amdgpu_reset_reg_dumps(tmp_adev); + struct list_head *device_list_handle; + bool full_reset, vram_lost = false; + struct amdgpu_device *tmp_adev; + int r, init_level; - reset_context->reset_device_list = device_list_handle; - r = amdgpu_reset_perform_reset(tmp_adev, reset_context); - /* If reset handler not implemented, continue; otherwise return */ - if (r == -ENOSYS) - r = 0; - else - return r; - - /* Reset handler not implemented, use the default method */ - need_full_reset = - test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); - skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags); - - gpu_reset_for_dev_remove = - test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) && - test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); - - /* - * ASIC reset has to be done on all XGMI hive nodes ASAP - * to allow proper links negotiation in FW (within 1 sec) - */ - if (!skip_hw_reset && need_full_reset) { - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { - /* For XGMI run all resets in parallel to speed up the process */ - if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { - tmp_adev->gmc.xgmi.pending_reset = false; - if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) - r = -EALREADY; - } else - r = amdgpu_asic_reset(tmp_adev); + device_list_handle = reset_context->reset_device_list; - if (r) { - dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", - r, adev_to_drm(tmp_adev)->unique); - break; - } - } - - /* For XGMI wait for all resets to complete before proceed */ - if (!r) { - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { - if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { - flush_work(&tmp_adev->xgmi_reset_work); - r = tmp_adev->asic_reset_res; - if (r) - break; - } - } - } - } - - if (!r && amdgpu_ras_intr_triggered()) { - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { - if (tmp_adev->mmhub.ras && tmp_adev->mmhub.ras->ras_block.hw_ops && - tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) - tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(tmp_adev); - } + if (!device_list_handle) + return -EINVAL; - amdgpu_ras_intr_cleared(); - } + full_reset = test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); - /* Since the mode1 reset affects base ip blocks, the - * phase1 ip blocks need to be resumed. Otherwise there - * will be a BIOS signature error and the psp bootloader - * can't load kdb on the next amdgpu install. + /** + * If it's reset on init, it's default init level, otherwise keep level + * as recovery level. */ - if (gpu_reset_for_dev_remove) { - list_for_each_entry(tmp_adev, device_list_handle, reset_list) - amdgpu_device_ip_resume_phase1(tmp_adev); - - goto end; - } + if (reset_context->method == AMD_RESET_METHOD_ON_INIT) + init_level = AMDGPU_INIT_LEVEL_DEFAULT; + else + init_level = AMDGPU_INIT_LEVEL_RESET_RECOVERY; + r = 0; list_for_each_entry(tmp_adev, device_list_handle, reset_list) { - if (need_full_reset) { + amdgpu_set_init_level(tmp_adev, init_level); + if (full_reset) { /* post card */ + amdgpu_reset_set_dpc_status(tmp_adev, false); + amdgpu_ras_clear_err_state(tmp_adev); r = amdgpu_device_asic_init(tmp_adev); if (r) { dev_warn(tmp_adev->dev, "asic atom init failed!"); } else { dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); - r = amdgpu_amdkfd_resume_iommu(tmp_adev); - if (r) - goto out; r = amdgpu_device_ip_resume_phase1(tmp_adev); if (r) goto out; vram_lost = amdgpu_device_check_vram_lost(tmp_adev); -#ifdef CONFIG_DEV_COREDUMP - tmp_adev->reset_vram_lost = vram_lost; - memset(&tmp_adev->reset_task_info, 0, - sizeof(tmp_adev->reset_task_info)); - if (reset_context->job && reset_context->job->vm) - tmp_adev->reset_task_info = - reset_context->job->vm->task_info; - amdgpu_reset_capture_coredumpm(tmp_adev); -#endif + + if (!test_bit(AMDGPU_SKIP_COREDUMP, &reset_context->flags)) + amdgpu_coredump(tmp_adev, false, vram_lost, reset_context->job); + if (vram_lost) { - DRM_INFO("VRAM is lost due to GPU reset!\n"); + dev_info( + tmp_adev->dev, + "VRAM is lost due to GPU reset!\n"); amdgpu_inc_vram_lost(tmp_adev); } @@ -5177,10 +6054,22 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle, if (r) return r; + r = amdgpu_xcp_restore_partition_mode( + tmp_adev->xcp_mgr); + if (r) + goto out; + r = amdgpu_device_ip_resume_phase2(tmp_adev); if (r) goto out; + if (tmp_adev->mman.buffer_funcs_ring->sched.ready) + amdgpu_ttm_set_buffer_funcs_status(tmp_adev, true); + + r = amdgpu_device_ip_resume_phase3(tmp_adev); + if (r) + goto out; + if (vram_lost) amdgpu_device_fill_reset_magic(tmp_adev); @@ -5198,7 +6087,11 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle, if (r) goto out; - drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, false); + r = amdgpu_userq_post_reset(tmp_adev, vram_lost); + if (r) + goto out; + + drm_client_dev_resume(adev_to_drm(tmp_adev)); /* * The GPU enters bad state once faulty pages @@ -5210,7 +6103,7 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle, * bad_page_threshold value to fix this once * probing driver again. */ - if (!amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) { + if (!amdgpu_ras_is_rma(tmp_adev)) { /* must succeed. */ amdgpu_ras_resume(tmp_adev); } else { @@ -5228,27 +6121,102 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle, out: if (!r) { + /* IP init is complete now, set level as default */ + amdgpu_set_init_level(tmp_adev, + AMDGPU_INIT_LEVEL_DEFAULT); amdgpu_irq_gpu_reset_resume_helper(tmp_adev); r = amdgpu_ib_ring_tests(tmp_adev); if (r) { dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); - need_full_reset = true; r = -EAGAIN; goto end; } } - if (!r) - r = amdgpu_device_recover_vram(tmp_adev); - else + if (r) tmp_adev->asic_reset_res = r; } end: - if (need_full_reset) + return r; +} + +int amdgpu_do_asic_reset(struct list_head *device_list_handle, + struct amdgpu_reset_context *reset_context) +{ + struct amdgpu_device *tmp_adev = NULL; + bool need_full_reset, skip_hw_reset; + int r = 0; + + /* Try reset handler method first */ + tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, + reset_list); + + reset_context->reset_device_list = device_list_handle; + r = amdgpu_reset_perform_reset(tmp_adev, reset_context); + /* If reset handler not implemented, continue; otherwise return */ + if (r == -EOPNOTSUPP) + r = 0; + else + return r; + + /* Reset handler not implemented, use the default method */ + need_full_reset = + test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); + skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags); + + /* + * ASIC reset has to be done on all XGMI hive nodes ASAP + * to allow proper links negotiation in FW (within 1 sec) + */ + if (!skip_hw_reset && need_full_reset) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + /* For XGMI run all resets in parallel to speed up the process */ + if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { + if (!queue_work(system_unbound_wq, + &tmp_adev->xgmi_reset_work)) + r = -EALREADY; + } else + r = amdgpu_asic_reset(tmp_adev); + + if (r) { + dev_err(tmp_adev->dev, + "ASIC reset failed with error, %d for drm dev, %s", + r, adev_to_drm(tmp_adev)->unique); + goto out; + } + } + + /* For XGMI wait for all resets to complete before proceed */ + if (!r) { + list_for_each_entry(tmp_adev, device_list_handle, + reset_list) { + if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { + flush_work(&tmp_adev->xgmi_reset_work); + r = tmp_adev->asic_reset_res; + if (r) + break; + } + } + } + } + + if (!r && amdgpu_ras_intr_triggered()) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + amdgpu_ras_reset_error_count(tmp_adev, + AMDGPU_RAS_BLOCK__MMHUB); + } + + amdgpu_ras_intr_cleared(); + } + + r = amdgpu_device_reinit_after_reset(reset_context); + if (r == -EAGAIN) set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); else clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); + +out: return r; } @@ -5257,6 +6225,7 @@ static void amdgpu_device_set_mp1_state(struct amdgpu_device *adev) switch (amdgpu_asic_reset_method(adev)) { case AMD_RESET_METHOD_MODE1: + case AMD_RESET_METHOD_LINK: adev->mp1_state = PP_MP1_STATE_SHUTDOWN; break; case AMD_RESET_METHOD_MODE2: @@ -5344,6 +6313,7 @@ static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev) if (!amdgpu_sriov_vf(adev)) cancel_work(&adev->reset_work); #endif + cancel_work(&adev->userq_reset_work); if (adev->kfd.dev) cancel_work(&adev->kfd.reset_work); @@ -5356,89 +6326,80 @@ static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev) } -/** - * amdgpu_device_gpu_recover - reset the asic and recover scheduler - * - * @adev: amdgpu_device pointer - * @job: which job trigger hang - * @reset_context: amdgpu reset context pointer - * - * Attempt to reset the GPU if it has hung (all asics). - * Attempt to do soft-reset or full-reset and reinitialize Asic - * Returns 0 for success or an error on failure. - */ - -int amdgpu_device_gpu_recover(struct amdgpu_device *adev, - struct amdgpu_job *job, - struct amdgpu_reset_context *reset_context) +static int amdgpu_device_health_check(struct list_head *device_list_handle) { - struct list_head device_list, *device_list_handle = NULL; - bool job_signaled = false; - struct amdgpu_hive_info *hive = NULL; - struct amdgpu_device *tmp_adev = NULL; - int i, r = 0; - bool need_emergency_restart = false; - bool audio_suspended = false; - bool gpu_reset_for_dev_remove = false; - - gpu_reset_for_dev_remove = - test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) && - test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); - - /* - * Special case: RAS triggered and full reset isn't supported - */ - need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); - - /* - * Flush RAM to disk so that after reboot - * the user can read log and see why the system rebooted. - */ - if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { - DRM_WARN("Emergency reboot."); + struct amdgpu_device *tmp_adev; + int ret = 0; - ksys_sync_helper(); - emergency_restart(); + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + ret |= amdgpu_device_bus_status_check(tmp_adev); } - dev_info(adev->dev, "GPU %s begin!\n", - need_emergency_restart ? "jobs stop":"reset"); + return ret; +} - if (!amdgpu_sriov_vf(adev)) - hive = amdgpu_get_xgmi_hive(adev); - if (hive) - mutex_lock(&hive->hive_lock); +static void amdgpu_device_recovery_prepare(struct amdgpu_device *adev, + struct list_head *device_list, + struct amdgpu_hive_info *hive) +{ + struct amdgpu_device *tmp_adev = NULL; - reset_context->job = job; - reset_context->hive = hive; /* * Build list of devices to reset. * In case we are in XGMI hive mode, resort the device list * to put adev in the 1st position. */ - INIT_LIST_HEAD(&device_list); - if (!amdgpu_sriov_vf(adev) && (adev->gmc.xgmi.num_physical_nodes > 1)) { + if (!amdgpu_sriov_vf(adev) && (adev->gmc.xgmi.num_physical_nodes > 1) && hive) { list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { - list_add_tail(&tmp_adev->reset_list, &device_list); - if (gpu_reset_for_dev_remove && adev->shutdown) + list_add_tail(&tmp_adev->reset_list, device_list); + if (adev->shutdown) tmp_adev->shutdown = true; + if (amdgpu_reset_in_dpc(adev)) + tmp_adev->pcie_reset_ctx.in_link_reset = true; } - if (!list_is_first(&adev->reset_list, &device_list)) - list_rotate_to_front(&adev->reset_list, &device_list); - device_list_handle = &device_list; + if (!list_is_first(&adev->reset_list, device_list)) + list_rotate_to_front(&adev->reset_list, device_list); } else { - list_add_tail(&adev->reset_list, &device_list); - device_list_handle = &device_list; + list_add_tail(&adev->reset_list, device_list); } +} - /* We need to lock reset domain only once both for XGMI and single device */ - tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, - reset_list); +static void amdgpu_device_recovery_get_reset_lock(struct amdgpu_device *adev, + struct list_head *device_list) +{ + struct amdgpu_device *tmp_adev = NULL; + + if (list_empty(device_list)) + return; + tmp_adev = + list_first_entry(device_list, struct amdgpu_device, reset_list); amdgpu_device_lock_reset_domain(tmp_adev->reset_domain); +} - /* block all schedulers and reset given job's ring */ - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { +static void amdgpu_device_recovery_put_reset_lock(struct amdgpu_device *adev, + struct list_head *device_list) +{ + struct amdgpu_device *tmp_adev = NULL; + if (list_empty(device_list)) + return; + tmp_adev = + list_first_entry(device_list, struct amdgpu_device, reset_list); + amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain); +} + +static void amdgpu_device_halt_activities(struct amdgpu_device *adev, + struct amdgpu_job *job, + struct amdgpu_reset_context *reset_context, + struct list_head *device_list, + struct amdgpu_hive_info *hive, + bool need_emergency_restart) +{ + struct amdgpu_device *tmp_adev = NULL; + int i; + + /* block all schedulers and reset given job's ring */ + list_for_each_entry(tmp_adev, device_list, reset_list) { amdgpu_device_set_mp1_state(tmp_adev); /* @@ -5452,32 +6413,33 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, * some audio codec errors. */ if (!amdgpu_device_suspend_display_audio(tmp_adev)) - audio_suspended = true; + tmp_adev->pcie_reset_ctx.audio_suspended = true; amdgpu_ras_set_error_query_ready(tmp_adev, false); cancel_delayed_work_sync(&tmp_adev->delayed_init_work); - if (!amdgpu_sriov_vf(tmp_adev)) - amdgpu_amdkfd_pre_reset(tmp_adev); + amdgpu_amdkfd_pre_reset(tmp_adev, reset_context); /* - * Mark these ASICs to be reseted as untracked first + * Mark these ASICs to be reset as untracked first * And add them back after reset completed */ amdgpu_unregister_gpu_instance(tmp_adev); - drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, true); + drm_client_dev_suspend(adev_to_drm(tmp_adev)); /* disable ras on ALL IPs */ - if (!need_emergency_restart && - amdgpu_device_ip_need_full_reset(tmp_adev)) + if (!need_emergency_restart && !amdgpu_reset_in_dpc(adev) && + amdgpu_device_ip_need_full_reset(tmp_adev)) amdgpu_ras_suspend(tmp_adev); + amdgpu_userq_pre_reset(tmp_adev); + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = tmp_adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!amdgpu_ring_sched_ready(ring)) continue; drm_sched_stop(&ring->sched, job ? &job->base : NULL); @@ -5487,28 +6449,18 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, } atomic_inc(&tmp_adev->gpu_reset_counter); } +} - if (need_emergency_restart) - goto skip_sched_resume; - - /* - * Must check guilty signal here since after this point all old - * HW fences are force signaled. - * - * job->base holds a reference to parent fence - */ - if (job && dma_fence_is_signaled(&job->hw_fence)) { - job_signaled = true; - dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); - goto skip_hw_reset; - } +static int amdgpu_device_asic_reset(struct amdgpu_device *adev, + struct list_head *device_list, + struct amdgpu_reset_context *reset_context) +{ + struct amdgpu_device *tmp_adev = NULL; + int retry_limit = AMDGPU_MAX_RETRY_LIMIT; + int r = 0; retry: /* Rest of adevs pre asic reset from XGMI hive. */ - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { - if (gpu_reset_for_dev_remove) { - /* Workaroud for ASICs need to disable SMC first */ - amdgpu_device_smu_fini_early(tmp_adev); - } + list_for_each_entry(tmp_adev, device_list, reset_list) { r = amdgpu_device_pre_asic_reset(tmp_adev, reset_context); /*TODO Should we stop ?*/ if (r) { @@ -5516,73 +6468,109 @@ retry: /* Rest of adevs pre asic reset from XGMI hive. */ r, adev_to_drm(tmp_adev)->unique); tmp_adev->asic_reset_res = r; } - - /* - * Drop all pending non scheduler resets. Scheduler resets - * were already dropped during drm_sched_stop - */ - amdgpu_device_stop_pending_resets(tmp_adev); } /* Actual ASIC resets if needed.*/ /* Host driver will handle XGMI hive reset for SRIOV */ if (amdgpu_sriov_vf(adev)) { - r = amdgpu_device_reset_sriov(adev, job ? false : true); + + /* Bail out of reset early */ + if (amdgpu_ras_is_rma(adev)) + return -ENODEV; + + if (amdgpu_ras_get_fed_status(adev) || amdgpu_virt_rcvd_ras_interrupt(adev)) { + dev_dbg(adev->dev, "Detected RAS error, wait for FLR completion\n"); + amdgpu_ras_set_fed(adev, true); + set_bit(AMDGPU_HOST_FLR, &reset_context->flags); + } + + r = amdgpu_device_reset_sriov(adev, reset_context); + if (AMDGPU_RETRY_SRIOV_RESET(r) && (retry_limit--) > 0) { + amdgpu_virt_release_full_gpu(adev, true); + goto retry; + } if (r) adev->asic_reset_res = r; - - /* Aldebaran and gfx_11_0_3 support ras in SRIOV, so need resume ras during reset */ - if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) || - adev->ip_versions[GC_HWIP][0] == IP_VERSION(11, 0, 3)) - amdgpu_ras_resume(adev); } else { - r = amdgpu_do_asic_reset(device_list_handle, reset_context); + r = amdgpu_do_asic_reset(device_list, reset_context); if (r && r == -EAGAIN) goto retry; + } - if (!r && gpu_reset_for_dev_remove) - goto recover_end; + list_for_each_entry(tmp_adev, device_list, reset_list) { + /* + * Drop any pending non scheduler resets queued before reset is done. + * Any reset scheduled after this point would be valid. Scheduler resets + * were already dropped during drm_sched_stop and no new ones can come + * in before drm_sched_start. + */ + amdgpu_device_stop_pending_resets(tmp_adev); } -skip_hw_reset: + return r; +} + +static int amdgpu_device_sched_resume(struct list_head *device_list, + struct amdgpu_reset_context *reset_context, + bool job_signaled) +{ + struct amdgpu_device *tmp_adev = NULL; + int i, r = 0; /* Post ASIC reset for all devs .*/ - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + list_for_each_entry(tmp_adev, device_list, reset_list) { for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = tmp_adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!amdgpu_ring_sched_ready(ring)) continue; - drm_sched_start(&ring->sched, true); + drm_sched_start(&ring->sched, 0); } - if (adev->enable_mes && adev->ip_versions[GC_HWIP][0] != IP_VERSION(11, 0, 3)) - amdgpu_mes_self_test(tmp_adev); - - if (!drm_drv_uses_atomic_modeset(adev_to_drm(tmp_adev)) && !job_signaled) { + if (!drm_drv_uses_atomic_modeset(adev_to_drm(tmp_adev)) && !job_signaled) drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); - } - if (tmp_adev->asic_reset_res) - r = tmp_adev->asic_reset_res; - - tmp_adev->asic_reset_res = 0; - - if (r) { - /* bad news, how to tell it to userspace ? */ - dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); - amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); + if (tmp_adev->asic_reset_res) { + /* bad news, how to tell it to userspace ? + * for ras error, we should report GPU bad status instead of + * reset failure + */ + if (reset_context->src != AMDGPU_RESET_SRC_RAS || + !amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) + dev_info( + tmp_adev->dev, + "GPU reset(%d) failed with error %d \n", + atomic_read( + &tmp_adev->gpu_reset_counter), + tmp_adev->asic_reset_res); + amdgpu_vf_error_put(tmp_adev, + AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, + tmp_adev->asic_reset_res); + if (!r) + r = tmp_adev->asic_reset_res; + tmp_adev->asic_reset_res = 0; } else { - dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); - if (amdgpu_acpi_smart_shift_update(adev_to_drm(tmp_adev), AMDGPU_SS_DEV_D0)) - DRM_WARN("smart shift update failed\n"); + dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", + atomic_read(&tmp_adev->gpu_reset_counter)); + if (amdgpu_acpi_smart_shift_update(tmp_adev, + AMDGPU_SS_DEV_D0)) + dev_warn(tmp_adev->dev, + "smart shift update failed\n"); } } -skip_sched_resume: - list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + return r; +} + +static void amdgpu_device_gpu_resume(struct amdgpu_device *adev, + struct list_head *device_list, + bool need_emergency_restart) +{ + struct amdgpu_device *tmp_adev = NULL; + + list_for_each_entry(tmp_adev, device_list, reset_list) { /* unlock kfd: SRIOV would do it separately */ if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) amdgpu_amdkfd_post_reset(tmp_adev); @@ -5593,19 +6581,125 @@ skip_sched_resume: if (!adev->kfd.init_complete) amdgpu_amdkfd_device_init(adev); - if (audio_suspended) + if (tmp_adev->pcie_reset_ctx.audio_suspended) amdgpu_device_resume_display_audio(tmp_adev); amdgpu_device_unset_mp1_state(tmp_adev); amdgpu_ras_set_error_query_ready(tmp_adev, true); + } +} -recover_end: - tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, - reset_list); - amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain); +/** + * amdgpu_device_gpu_recover - reset the asic and recover scheduler + * + * @adev: amdgpu_device pointer + * @job: which job trigger hang + * @reset_context: amdgpu reset context pointer + * + * Attempt to reset the GPU if it has hung (all asics). + * Attempt to do soft-reset or full-reset and reinitialize Asic + * Returns 0 for success or an error on failure. + */ + +int amdgpu_device_gpu_recover(struct amdgpu_device *adev, + struct amdgpu_job *job, + struct amdgpu_reset_context *reset_context) +{ + struct list_head device_list; + bool job_signaled = false; + struct amdgpu_hive_info *hive = NULL; + int r = 0; + bool need_emergency_restart = false; + + /* + * If it reaches here because of hang/timeout and a RAS error is + * detected at the same time, let RAS recovery take care of it. + */ + if (amdgpu_ras_is_err_state(adev, AMDGPU_RAS_BLOCK__ANY) && + !amdgpu_sriov_vf(adev) && + reset_context->src != AMDGPU_RESET_SRC_RAS) { + dev_dbg(adev->dev, + "Gpu recovery from source: %d yielding to RAS error recovery handling", + reset_context->src); + return 0; + } + + /* + * Special case: RAS triggered and full reset isn't supported + */ + need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); + + /* + * Flush RAM to disk so that after reboot + * the user can read log and see why the system rebooted. + */ + if (need_emergency_restart && amdgpu_ras_get_context(adev) && + amdgpu_ras_get_context(adev)->reboot) { + dev_warn(adev->dev, "Emergency reboot."); + + ksys_sync_helper(); + emergency_restart(); + } + + dev_info(adev->dev, "GPU %s begin!. Source: %d\n", + need_emergency_restart ? "jobs stop" : "reset", + reset_context->src); + + if (!amdgpu_sriov_vf(adev)) + hive = amdgpu_get_xgmi_hive(adev); + if (hive) + mutex_lock(&hive->hive_lock); + + reset_context->job = job; + reset_context->hive = hive; + INIT_LIST_HEAD(&device_list); + + amdgpu_device_recovery_prepare(adev, &device_list, hive); + + if (!amdgpu_sriov_vf(adev)) { + r = amdgpu_device_health_check(&device_list); + if (r) + goto end_reset; + } + + /* Cannot be called after locking reset domain */ + amdgpu_ras_pre_reset(adev, &device_list); + + /* We need to lock reset domain only once both for XGMI and single device */ + amdgpu_device_recovery_get_reset_lock(adev, &device_list); + + amdgpu_device_halt_activities(adev, job, reset_context, &device_list, + hive, need_emergency_restart); + if (need_emergency_restart) + goto skip_sched_resume; + /* + * Must check guilty signal here since after this point all old + * HW fences are force signaled. + * + * job->base holds a reference to parent fence + */ + if (job && dma_fence_is_signaled(&job->hw_fence->base)) { + job_signaled = true; + dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); + goto skip_hw_reset; + } + + r = amdgpu_device_asic_reset(adev, &device_list, reset_context); + if (r) + goto reset_unlock; +skip_hw_reset: + r = amdgpu_device_sched_resume(&device_list, reset_context, job_signaled); + if (r) + goto reset_unlock; +skip_sched_resume: + amdgpu_device_gpu_resume(adev, &device_list, need_emergency_restart); +reset_unlock: + amdgpu_device_recovery_put_reset_lock(adev, &device_list); + amdgpu_ras_post_reset(adev, &device_list); +end_reset: if (hive) { mutex_unlock(&hive->hive_lock); amdgpu_put_xgmi_hive(hive); @@ -5615,23 +6709,111 @@ recover_end: dev_info(adev->dev, "GPU reset end with ret = %d\n", r); atomic_set(&adev->reset_domain->reset_res, r); + + if (!r) { + struct amdgpu_task_info *ti = NULL; + + if (job) + ti = amdgpu_vm_get_task_info_pasid(adev, job->pasid); + + drm_dev_wedged_event(adev_to_drm(adev), DRM_WEDGE_RECOVERY_NONE, + ti ? &ti->task : NULL); + + amdgpu_vm_put_task_info(ti); + } + return r; } /** + * amdgpu_device_partner_bandwidth - find the bandwidth of appropriate partner + * + * @adev: amdgpu_device pointer + * @speed: pointer to the speed of the link + * @width: pointer to the width of the link + * + * Evaluate the hierarchy to find the speed and bandwidth capabilities of the + * first physical partner to an AMD dGPU. + * This will exclude any virtual switches and links. + */ +static void amdgpu_device_partner_bandwidth(struct amdgpu_device *adev, + enum pci_bus_speed *speed, + enum pcie_link_width *width) +{ + struct pci_dev *parent = adev->pdev; + + if (!speed || !width) + return; + + *speed = PCI_SPEED_UNKNOWN; + *width = PCIE_LNK_WIDTH_UNKNOWN; + + if (amdgpu_device_pcie_dynamic_switching_supported(adev)) { + while ((parent = pci_upstream_bridge(parent))) { + /* skip upstream/downstream switches internal to dGPU*/ + if (parent->vendor == PCI_VENDOR_ID_ATI) + continue; + *speed = pcie_get_speed_cap(parent); + *width = pcie_get_width_cap(parent); + break; + } + } else { + /* use the current speeds rather than max if switching is not supported */ + pcie_bandwidth_available(adev->pdev, NULL, speed, width); + } +} + +/** + * amdgpu_device_gpu_bandwidth - find the bandwidth of the GPU + * + * @adev: amdgpu_device pointer + * @speed: pointer to the speed of the link + * @width: pointer to the width of the link + * + * Evaluate the hierarchy to find the speed and bandwidth capabilities of the + * AMD dGPU which may be a virtual upstream bridge. + */ +static void amdgpu_device_gpu_bandwidth(struct amdgpu_device *adev, + enum pci_bus_speed *speed, + enum pcie_link_width *width) +{ + struct pci_dev *parent = adev->pdev; + + if (!speed || !width) + return; + + parent = pci_upstream_bridge(parent); + if (parent && parent->vendor == PCI_VENDOR_ID_ATI) { + /* use the upstream/downstream switches internal to dGPU */ + *speed = pcie_get_speed_cap(parent); + *width = pcie_get_width_cap(parent); + while ((parent = pci_upstream_bridge(parent))) { + if (parent->vendor == PCI_VENDOR_ID_ATI) { + /* use the upstream/downstream switches internal to dGPU */ + *speed = pcie_get_speed_cap(parent); + *width = pcie_get_width_cap(parent); + } + } + } else { + /* use the device itself */ + *speed = pcie_get_speed_cap(adev->pdev); + *width = pcie_get_width_cap(adev->pdev); + } +} + +/** * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot * * @adev: amdgpu_device pointer * - * Fetchs and stores in the driver the PCIE capabilities (gen speed + * Fetches and stores in the driver the PCIE capabilities (gen speed * and lanes) of the slot the device is in. Handles APUs and * virtualized environments where PCIE config space may not be available. */ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) { - struct pci_dev *pdev; enum pci_bus_speed speed_cap, platform_speed_cap; - enum pcie_link_width platform_link_width; + enum pcie_link_width platform_link_width, link_width; if (amdgpu_pcie_gen_cap) adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; @@ -5651,13 +6833,12 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) return; - pcie_bandwidth_available(adev->pdev, NULL, - &platform_speed_cap, &platform_link_width); + amdgpu_device_partner_bandwidth(adev, &platform_speed_cap, + &platform_link_width); + amdgpu_device_gpu_bandwidth(adev, &speed_cap, &link_width); if (adev->pm.pcie_gen_mask == 0) { /* asic caps */ - pdev = adev->pdev; - speed_cap = pcie_get_speed_cap(pdev); if (speed_cap == PCI_SPEED_UNKNOWN) { adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | @@ -5713,51 +6894,103 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) } } if (adev->pm.pcie_mlw_mask == 0) { + /* asic caps */ + if (link_width == PCIE_LNK_WIDTH_UNKNOWN) { + adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_ASIC_PCIE_MLW_MASK; + } else { + switch (link_width) { + case PCIE_LNK_X32: + adev->pm.pcie_mlw_mask |= (CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X32 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X16 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case PCIE_LNK_X16: + adev->pm.pcie_mlw_mask |= (CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X16 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case PCIE_LNK_X12: + adev->pm.pcie_mlw_mask |= (CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case PCIE_LNK_X8: + adev->pm.pcie_mlw_mask |= (CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case PCIE_LNK_X4: + adev->pm.pcie_mlw_mask |= (CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case PCIE_LNK_X2: + adev->pm.pcie_mlw_mask |= (CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case PCIE_LNK_X1: + adev->pm.pcie_mlw_mask |= CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X1; + break; + default: + break; + } + } + /* platform caps */ if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; } else { switch (platform_link_width) { case PCIE_LNK_X32: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + adev->pm.pcie_mlw_mask |= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; case PCIE_LNK_X16: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + adev->pm.pcie_mlw_mask |= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; case PCIE_LNK_X12: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + adev->pm.pcie_mlw_mask |= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; case PCIE_LNK_X8: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + adev->pm.pcie_mlw_mask |= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; case PCIE_LNK_X4: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + adev->pm.pcie_mlw_mask |= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; case PCIE_LNK_X2: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + adev->pm.pcie_mlw_mask |= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; case PCIE_LNK_X1: - adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; + adev->pm.pcie_mlw_mask |= CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; break; default: break; @@ -5780,29 +7013,37 @@ bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev, struct amdgpu_device *peer_adev) { #ifdef CONFIG_HSA_AMD_P2P - uint64_t address_mask = peer_adev->dev->dma_mask ? - ~*peer_adev->dev->dma_mask : ~((1ULL << 32) - 1); - resource_size_t aper_limit = - adev->gmc.aper_base + adev->gmc.aper_size - 1; bool p2p_access = !adev->gmc.xgmi.connected_to_cpu && !(pci_p2pdma_distance(adev->pdev, peer_adev->dev, false) < 0); + if (!p2p_access) + dev_info(adev->dev, "PCIe P2P access from peer device %s is not supported by the chipset\n", + pci_name(peer_adev->pdev)); - return pcie_p2p && p2p_access && (adev->gmc.visible_vram_size && - adev->gmc.real_vram_size == adev->gmc.visible_vram_size && - !(adev->gmc.aper_base & address_mask || - aper_limit & address_mask)); + bool is_large_bar = adev->gmc.visible_vram_size && + adev->gmc.real_vram_size == adev->gmc.visible_vram_size; + bool p2p_addressable = amdgpu_device_check_iommu_remap(peer_adev); + + if (!p2p_addressable) { + uint64_t address_mask = peer_adev->dev->dma_mask ? + ~*peer_adev->dev->dma_mask : ~((1ULL << 32) - 1); + resource_size_t aper_limit = + adev->gmc.aper_base + adev->gmc.aper_size - 1; + + p2p_addressable = !(adev->gmc.aper_base & address_mask || + aper_limit & address_mask); + } + return pcie_p2p && is_large_bar && p2p_access && p2p_addressable; #else return false; #endif } -int amdgpu_device_baco_enter(struct drm_device *dev) +int amdgpu_device_baco_enter(struct amdgpu_device *adev) { - struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); - if (!amdgpu_device_supports_baco(dev)) + if (!amdgpu_device_supports_baco(adev)) return -ENOTSUPP; if (ras && adev->ras_enabled && @@ -5812,13 +7053,12 @@ int amdgpu_device_baco_enter(struct drm_device *dev) return amdgpu_dpm_baco_enter(adev); } -int amdgpu_device_baco_exit(struct drm_device *dev) +int amdgpu_device_baco_exit(struct amdgpu_device *adev) { - struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); int ret = 0; - if (!amdgpu_device_supports_baco(dev)) + if (!amdgpu_device_supports_baco(adev)) return -ENOTSUPP; ret = amdgpu_dpm_baco_exit(adev); @@ -5829,7 +7069,7 @@ int amdgpu_device_baco_exit(struct drm_device *dev) adev->nbio.funcs->enable_doorbell_interrupt) adev->nbio.funcs->enable_doorbell_interrupt(adev, true); - if (amdgpu_passthrough(adev) && + if (amdgpu_passthrough(adev) && adev->nbio.funcs && adev->nbio.funcs->clear_doorbell_interrupt) adev->nbio.funcs->clear_doorbell_interrupt(adev); @@ -5849,45 +7089,52 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta { struct drm_device *dev = pci_get_drvdata(pdev); struct amdgpu_device *adev = drm_to_adev(dev); - int i; + struct amdgpu_hive_info *hive __free(xgmi_put_hive) = + amdgpu_get_xgmi_hive(adev); + struct amdgpu_reset_context reset_context; + struct list_head device_list; - DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); - - if (adev->gmc.xgmi.num_physical_nodes > 1) { - DRM_WARN("No support for XGMI hive yet..."); - return PCI_ERS_RESULT_DISCONNECT; - } + dev_info(adev->dev, "PCI error: detected callback!!\n"); adev->pci_channel_state = state; switch (state) { case pci_channel_io_normal: + dev_info(adev->dev, "pci_channel_io_normal: state(%d)!!\n", state); return PCI_ERS_RESULT_CAN_RECOVER; - /* Fatal error, prepare for slot reset */ case pci_channel_io_frozen: - /* - * Locking adev->reset_domain->sem will prevent any external access - * to GPU during PCI error recovery - */ - amdgpu_device_lock_reset_domain(adev->reset_domain); - amdgpu_device_set_mp1_state(adev); - - /* - * Block any work scheduling as we do for regular GPU reset - * for the duration of the recovery - */ - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { - struct amdgpu_ring *ring = adev->rings[i]; - - if (!ring || !ring->sched.thread) - continue; + /* Fatal error, prepare for slot reset */ + dev_info(adev->dev, "pci_channel_io_frozen: state(%d)!!\n", state); + if (hive) { + /* Hive devices should be able to support FW based + * link reset on other devices, if not return. + */ + if (!amdgpu_dpm_is_link_reset_supported(adev)) { + dev_warn(adev->dev, + "No support for XGMI hive yet...\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + /* Set dpc status only if device is part of hive + * Non-hive devices should be able to recover after + * link reset. + */ + amdgpu_reset_set_dpc_status(adev, true); - drm_sched_stop(&ring->sched, NULL); + mutex_lock(&hive->hive_lock); } - atomic_inc(&adev->gpu_reset_counter); + memset(&reset_context, 0, sizeof(reset_context)); + INIT_LIST_HEAD(&device_list); + + amdgpu_device_recovery_prepare(adev, &device_list, hive); + amdgpu_device_recovery_get_reset_lock(adev, &device_list); + amdgpu_device_halt_activities(adev, NULL, &reset_context, &device_list, + hive, false); + if (hive) + mutex_unlock(&hive->hive_lock); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: /* Permanent error, prepare for device removal */ + dev_info(adev->dev, "pci_channel_io_perm_failure: state(%d)!!\n", state); return PCI_ERS_RESULT_DISCONNECT; } @@ -5900,8 +7147,10 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta */ pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) { + struct drm_device *dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(dev); - DRM_INFO("PCI error: mmio enabled callback!!\n"); + dev_info(adev->dev, "PCI error: mmio enabled callback!!\n"); /* TODO - dump whatever for debugging purposes */ @@ -5925,21 +7174,38 @@ pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); struct amdgpu_device *adev = drm_to_adev(dev); - int r, i; struct amdgpu_reset_context reset_context; - u32 memsize; + struct amdgpu_device *tmp_adev; + struct amdgpu_hive_info *hive; struct list_head device_list; + struct pci_dev *link_dev; + int r = 0, i, timeout; + u32 memsize; + u16 status; - DRM_INFO("PCI error: slot reset callback!!\n"); + dev_info(adev->dev, "PCI error: slot reset callback!!\n"); memset(&reset_context, 0, sizeof(reset_context)); - INIT_LIST_HEAD(&device_list); - list_add_tail(&adev->reset_list, &device_list); + if (adev->pcie_reset_ctx.swus) + link_dev = adev->pcie_reset_ctx.swus; + else + link_dev = adev->pdev; + /* wait for asic to come out of reset, timeout = 10s */ + timeout = 10000; + do { + usleep_range(10000, 10500); + r = pci_read_config_word(link_dev, PCI_VENDOR_ID, &status); + timeout -= 10; + } while (timeout > 0 && (status != PCI_VENDOR_ID_ATI) && + (status != PCI_VENDOR_ID_AMD)); - /* wait for asic to come out of reset */ - msleep(500); + if ((status != PCI_VENDOR_ID_ATI) && (status != PCI_VENDOR_ID_AMD)) { + r = -ETIME; + goto out; + } + amdgpu_device_load_switch_state(adev); /* Restore PCI confspace */ amdgpu_device_load_pci_state(pdev); @@ -5959,26 +7225,40 @@ pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) reset_context.method = AMD_RESET_METHOD_NONE; reset_context.reset_req_dev = adev; set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); - set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags); - - adev->no_hw_access = true; - r = amdgpu_device_pre_asic_reset(adev, &reset_context); - adev->no_hw_access = false; - if (r) - goto out; + set_bit(AMDGPU_SKIP_COREDUMP, &reset_context.flags); + INIT_LIST_HEAD(&device_list); - r = amdgpu_do_asic_reset(&device_list, &reset_context); + hive = amdgpu_get_xgmi_hive(adev); + if (hive) { + mutex_lock(&hive->hive_lock); + reset_context.hive = hive; + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { + tmp_adev->pcie_reset_ctx.in_link_reset = true; + list_add_tail(&tmp_adev->reset_list, &device_list); + } + } else { + set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags); + list_add_tail(&adev->reset_list, &device_list); + } + r = amdgpu_device_asic_reset(adev, &device_list, &reset_context); out: if (!r) { if (amdgpu_device_cache_pci_state(adev->pdev)) pci_restore_state(adev->pdev); - - DRM_INFO("PCIe error recovery succeeded\n"); + dev_info(adev->dev, "PCIe error recovery succeeded\n"); } else { - DRM_ERROR("PCIe error recovery failed, err:%d", r); - amdgpu_device_unset_mp1_state(adev); - amdgpu_device_unlock_reset_domain(adev->reset_domain); + dev_err(adev->dev, "PCIe error recovery failed, err:%d\n", r); + if (hive) { + list_for_each_entry(tmp_adev, &device_list, reset_list) + amdgpu_device_unset_mp1_state(tmp_adev); + } + amdgpu_device_recovery_put_reset_lock(adev, &device_list); + } + + if (hive) { + mutex_unlock(&hive->hive_lock); + amdgpu_put_xgmi_hive(hive); } return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; @@ -5995,26 +7275,95 @@ void amdgpu_pci_resume(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); struct amdgpu_device *adev = drm_to_adev(dev); - int i; - + struct list_head device_list; + struct amdgpu_hive_info *hive = NULL; + struct amdgpu_device *tmp_adev = NULL; - DRM_INFO("PCI error: resume callback!!\n"); + dev_info(adev->dev, "PCI error: resume callback!!\n"); /* Only continue execution for the case of pci_channel_io_frozen */ if (adev->pci_channel_state != pci_channel_io_frozen) return; - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { - struct amdgpu_ring *ring = adev->rings[i]; + INIT_LIST_HEAD(&device_list); - if (!ring || !ring->sched.thread) - continue; + hive = amdgpu_get_xgmi_hive(adev); + if (hive) { + mutex_lock(&hive->hive_lock); + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { + tmp_adev->pcie_reset_ctx.in_link_reset = false; + list_add_tail(&tmp_adev->reset_list, &device_list); + } + } else + list_add_tail(&adev->reset_list, &device_list); - drm_sched_start(&ring->sched, true); + amdgpu_device_sched_resume(&device_list, NULL, NULL); + amdgpu_device_gpu_resume(adev, &device_list, false); + amdgpu_device_recovery_put_reset_lock(adev, &device_list); + + if (hive) { + mutex_unlock(&hive->hive_lock); + amdgpu_put_xgmi_hive(hive); } +} + +static void amdgpu_device_cache_switch_state(struct amdgpu_device *adev) +{ + struct pci_dev *swus, *swds; + int r; + + swds = pci_upstream_bridge(adev->pdev); + if (!swds || swds->vendor != PCI_VENDOR_ID_ATI || + pci_pcie_type(swds) != PCI_EXP_TYPE_DOWNSTREAM) + return; + swus = pci_upstream_bridge(swds); + if (!swus || + (swus->vendor != PCI_VENDOR_ID_ATI && + swus->vendor != PCI_VENDOR_ID_AMD) || + pci_pcie_type(swus) != PCI_EXP_TYPE_UPSTREAM) + return; + + /* If already saved, return */ + if (adev->pcie_reset_ctx.swus) + return; + /* Upstream bridge is ATI, assume it's SWUS/DS architecture */ + r = pci_save_state(swds); + if (r) + return; + adev->pcie_reset_ctx.swds_pcistate = pci_store_saved_state(swds); + + r = pci_save_state(swus); + if (r) + return; + adev->pcie_reset_ctx.swus_pcistate = pci_store_saved_state(swus); - amdgpu_device_unset_mp1_state(adev); - amdgpu_device_unlock_reset_domain(adev->reset_domain); + adev->pcie_reset_ctx.swus = swus; +} + +static void amdgpu_device_load_switch_state(struct amdgpu_device *adev) +{ + struct pci_dev *pdev; + int r; + + if (!adev->pcie_reset_ctx.swds_pcistate || + !adev->pcie_reset_ctx.swus_pcistate) + return; + + pdev = adev->pcie_reset_ctx.swus; + r = pci_load_saved_state(pdev, adev->pcie_reset_ctx.swus_pcistate); + if (!r) { + pci_restore_state(pdev); + } else { + dev_warn(adev->dev, "Failed to load SWUS state, err:%d\n", r); + return; + } + + pdev = pci_upstream_bridge(adev->pdev); + r = pci_load_saved_state(pdev, adev->pcie_reset_ctx.swds_pcistate); + if (!r) + pci_restore_state(pdev); + else + dev_warn(adev->dev, "Failed to load SWDS state, err:%d\n", r); } bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) @@ -6023,6 +7372,9 @@ bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) struct amdgpu_device *adev = drm_to_adev(dev); int r; + if (amdgpu_sriov_vf(adev)) + return false; + r = pci_save_state(pdev); if (!r) { kfree(adev->pci_state); @@ -6030,14 +7382,16 @@ bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) adev->pci_state = pci_store_saved_state(pdev); if (!adev->pci_state) { - DRM_ERROR("Failed to store PCI saved state"); + dev_err(adev->dev, "Failed to store PCI saved state"); return false; } } else { - DRM_WARN("Failed to save PCI state, err:%d\n", r); + dev_warn(adev->dev, "Failed to save PCI state, err:%d\n", r); return false; } + amdgpu_device_cache_switch_state(adev); + return true; } @@ -6055,7 +7409,7 @@ bool amdgpu_device_load_pci_state(struct pci_dev *pdev) if (!r) { pci_restore_state(pdev); } else { - DRM_WARN("Failed to load PCI state, err:%d\n", r); + dev_warn(adev->dev, "Failed to load PCI state, err:%d\n", r); return false; } @@ -6072,10 +7426,17 @@ void amdgpu_device_flush_hdp(struct amdgpu_device *adev, if (adev->gmc.xgmi.connected_to_cpu) return; - if (ring && ring->funcs->emit_hdp_flush) + if (ring && ring->funcs->emit_hdp_flush) { amdgpu_ring_emit_hdp_flush(ring); - else - amdgpu_asic_flush_hdp(adev, ring); + return; + } + + if (!ring && amdgpu_sriov_runtime(adev)) { + if (!amdgpu_kiq_hdp_flush(adev)) + return; + } + + amdgpu_hdp_flush(adev, ring); } void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, @@ -6088,7 +7449,7 @@ void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, if (adev->gmc.xgmi.connected_to_cpu) return; - amdgpu_asic_invalidate_hdp(adev, ring); + amdgpu_hdp_invalidate(adev, ring); } int amdgpu_in_reset(struct amdgpu_device *adev) @@ -6170,6 +7531,22 @@ void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev, } /** + * amdgpu_device_get_gang - return a reference to the current gang + * @adev: amdgpu_device pointer + * + * Returns: A new reference to the current gang leader. + */ +struct dma_fence *amdgpu_device_get_gang(struct amdgpu_device *adev) +{ + struct dma_fence *fence; + + rcu_read_lock(); + fence = dma_fence_get_rcu_safe(&adev->gang_submit); + rcu_read_unlock(); + return fence; +} + +/** * amdgpu_device_switch_gang - switch to a new gang * @adev: amdgpu_device pointer * @gang: the gang to switch to @@ -6183,25 +7560,117 @@ struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev, { struct dma_fence *old = NULL; + dma_fence_get(gang); do { dma_fence_put(old); - rcu_read_lock(); - old = dma_fence_get_rcu_safe(&adev->gang_submit); - rcu_read_unlock(); - + old = amdgpu_device_get_gang(adev); if (old == gang) break; - if (!dma_fence_is_signaled(old)) + if (!dma_fence_is_signaled(old)) { + dma_fence_put(gang); return old; + } } while (cmpxchg((struct dma_fence __force **)&adev->gang_submit, old, gang) != old); + /* + * Drop it once for the exchanged reference in adev and once for the + * thread local reference acquired in amdgpu_device_get_gang(). + */ + dma_fence_put(old); dma_fence_put(old); return NULL; } +/** + * amdgpu_device_enforce_isolation - enforce HW isolation + * @adev: the amdgpu device pointer + * @ring: the HW ring the job is supposed to run on + * @job: the job which is about to be pushed to the HW ring + * + * Makes sure that only one client at a time can use the GFX block. + * Returns: The dependency to wait on before the job can be pushed to the HW. + * The function is called multiple times until NULL is returned. + */ +struct dma_fence *amdgpu_device_enforce_isolation(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + struct amdgpu_job *job) +{ + struct amdgpu_isolation *isolation = &adev->isolation[ring->xcp_id]; + struct drm_sched_fence *f = job->base.s_fence; + struct dma_fence *dep; + void *owner; + int r; + + /* + * For now enforce isolation only for the GFX block since we only need + * the cleaner shader on those rings. + */ + if (ring->funcs->type != AMDGPU_RING_TYPE_GFX && + ring->funcs->type != AMDGPU_RING_TYPE_COMPUTE) + return NULL; + + /* + * All submissions where enforce isolation is false are handled as if + * they come from a single client. Use ~0l as the owner to distinct it + * from kernel submissions where the owner is NULL. + */ + owner = job->enforce_isolation ? f->owner : (void *)~0l; + + mutex_lock(&adev->enforce_isolation_mutex); + + /* + * The "spearhead" submission is the first one which changes the + * ownership to its client. We always need to wait for it to be + * pushed to the HW before proceeding with anything. + */ + if (&f->scheduled != isolation->spearhead && + !dma_fence_is_signaled(isolation->spearhead)) { + dep = isolation->spearhead; + goto out_grab_ref; + } + + if (isolation->owner != owner) { + + /* + * Wait for any gang to be assembled before switching to a + * different owner or otherwise we could deadlock the + * submissions. + */ + if (!job->gang_submit) { + dep = amdgpu_device_get_gang(adev); + if (!dma_fence_is_signaled(dep)) + goto out_return_dep; + dma_fence_put(dep); + } + + dma_fence_put(isolation->spearhead); + isolation->spearhead = dma_fence_get(&f->scheduled); + amdgpu_sync_move(&isolation->active, &isolation->prev); + trace_amdgpu_isolation(isolation->owner, owner); + isolation->owner = owner; + } + + /* + * Specifying the ring here helps to pipeline submissions even when + * isolation is enabled. If that is not desired for testing NULL can be + * used instead of the ring to enforce a CPU round trip while switching + * between clients. + */ + dep = amdgpu_sync_peek_fence(&isolation->prev, ring); + r = amdgpu_sync_fence(&isolation->active, &f->finished, GFP_NOWAIT); + if (r) + dev_warn(adev->dev, "OOM tracking isolation\n"); + +out_grab_ref: + dma_fence_get(dep); +out_return_dep: + mutex_unlock(&adev->enforce_isolation_mutex); + return dep; +} + bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev) { switch (adev->asic_type) { @@ -6236,7 +7705,7 @@ bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev) return true; default: /* IP discovery */ - if (!adev->ip_versions[DCE_HWIP][0] || + if (!amdgpu_ip_version(adev, DCE_HWIP, 0) || (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) return false; return true; @@ -6261,12 +7730,108 @@ uint32_t amdgpu_device_wait_on_rreg(struct amdgpu_device *adev, tmp_ = RREG32(reg_addr); loop--; if (!loop) { - DRM_WARN("Register(%d) [%s] failed to reach value 0x%08x != 0x%08xn", - inst, reg_name, (uint32_t)expected_value, - (uint32_t)(tmp_ & (mask))); + dev_warn( + adev->dev, + "Register(%d) [%s] failed to reach value 0x%08x != 0x%08xn", + inst, reg_name, (uint32_t)expected_value, + (uint32_t)(tmp_ & (mask))); ret = -ETIMEDOUT; break; } } return ret; } + +ssize_t amdgpu_get_soft_full_reset_mask(struct amdgpu_ring *ring) +{ + ssize_t size = 0; + + if (!ring || !ring->adev) + return size; + + if (amdgpu_device_should_recover_gpu(ring->adev)) + size |= AMDGPU_RESET_TYPE_FULL; + + if (unlikely(!ring->adev->debug_disable_soft_recovery) && + !amdgpu_sriov_vf(ring->adev) && ring->funcs->soft_recovery) + size |= AMDGPU_RESET_TYPE_SOFT_RESET; + + return size; +} + +ssize_t amdgpu_show_reset_mask(char *buf, uint32_t supported_reset) +{ + ssize_t size = 0; + + if (supported_reset == 0) { + size += sysfs_emit_at(buf, size, "unsupported"); + size += sysfs_emit_at(buf, size, "\n"); + return size; + + } + + if (supported_reset & AMDGPU_RESET_TYPE_SOFT_RESET) + size += sysfs_emit_at(buf, size, "soft "); + + if (supported_reset & AMDGPU_RESET_TYPE_PER_QUEUE) + size += sysfs_emit_at(buf, size, "queue "); + + if (supported_reset & AMDGPU_RESET_TYPE_PER_PIPE) + size += sysfs_emit_at(buf, size, "pipe "); + + if (supported_reset & AMDGPU_RESET_TYPE_FULL) + size += sysfs_emit_at(buf, size, "full "); + + size += sysfs_emit_at(buf, size, "\n"); + return size; +} + +void amdgpu_device_set_uid(struct amdgpu_uid *uid_info, + enum amdgpu_uid_type type, uint8_t inst, + uint64_t uid) +{ + if (!uid_info) + return; + + if (type >= AMDGPU_UID_TYPE_MAX) { + dev_err_once(uid_info->adev->dev, "Invalid UID type %d\n", + type); + return; + } + + if (inst >= AMDGPU_UID_INST_MAX) { + dev_err_once(uid_info->adev->dev, "Invalid UID instance %d\n", + inst); + return; + } + + if (uid_info->uid[type][inst] != 0) { + dev_warn_once( + uid_info->adev->dev, + "Overwriting existing UID %llu for type %d instance %d\n", + uid_info->uid[type][inst], type, inst); + } + + uid_info->uid[type][inst] = uid; +} + +u64 amdgpu_device_get_uid(struct amdgpu_uid *uid_info, + enum amdgpu_uid_type type, uint8_t inst) +{ + if (!uid_info) + return 0; + + if (type >= AMDGPU_UID_TYPE_MAX) { + dev_err_once(uid_info->adev->dev, "Invalid UID type %d\n", + type); + return 0; + } + + if (inst >= AMDGPU_UID_INST_MAX) { + dev_err_once(uid_info->adev->dev, "Invalid UID instance %d\n", + inst); + return 0; + } + + return uid_info->uid[type][inst]; +} |