diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-01 15:24:20 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-01 15:24:20 -0700 |
commit | f365ab31efacb70bed1e821f7435626e0b2528a6 (patch) | |
tree | e1374b2896d50e652c1e434d70e834d0788aae3a /drivers/gpu/drm/i915/i915_drv.c | |
parent | 4646de87d32526ee87b46c2e0130413367fb5362 (diff) | |
parent | 59e7a8cc2dcf335116d500d684bfb34d1d97a6fe (diff) |
Merge tag 'drm-next-2020-04-01' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"This is the main drm pull request for 5.7-rc1.
Highlights:
- i915 enables Tigerlake by default
- i915 and amdgpu have initial OLED backlight support
[ Jani Nikula pipes up and points out that we've had a bunch of
"initial support" code for a long time already, but only now
Lyude made it actually work on real world machines ]
- vmwgfx add support to enable OpenGL 4 userspace
- zero length arrays are mostly removed.
Detailed summary:
new driver:
- tidss: TI Keystone platform display subsystem
core:
- new drm device warn macros
- mode config valid for memory constrained devices
- bridge bus format negotation
- consolidated fake vblank event handling
- dma_alloc related cleanups
- drop get_crtc callback
- dp: DP1.4 EDID corruption test
- EDID CEA detailed timings improvements
- relicense some code to dual GPL2/MIT
- convert core vblank support to per-crtc support
- rework drm_global_mutex
- bridge rework to allow omap_dss custom driver removeal
- remove drm_fb_helper connector interrfaces
- zero-length array removal
scheduler:
- support for modifying the sched list
- revert job distribution optimization
- helper to pick least loaded scheduler
- race condition fix
mst:
- various fixes
- remove register_connector callback
i915:
- uapi to allows userspace specific CS ring buffer sizes
- Tigerlake enablement patches + Tigerlake enabled by default
- new sysfs entries for engine properties
- display/logging refactors
- eDP/DP fixes for DPCD
- Gen7 back to aliasing-ppgtt
- Gen8+ irq refactor
- Avoid globals
- GEM locking fixes and simplifications
- Ice Lake and Elkhart Lake fixes and workarounds
- Baytrail/Haswell instability fix
- GVT - VFIO edid better support
amdgpu:
- Rework VM update handling in preparation for HMM support
- drm load/unload removal fixups
- USB-C PD firmware updates
- HDCP srm support
- Navi/renoir PM watermark fixes
- OLED panel support
- Optimize debugging vram access
- Use BACO for runtime pm
- DC clock programming optimizations and fixes
- PSP fw loading sequence updates
- Drop DRIVER_USE_AGP
- Remove legacy drm load and unload callbacks
- ACP Kconfig fix
- Lots of fixes across the driver
amdkfd:
- runtime pm support
- more gfx config details in amdgpu
radeon:
- drop DRIVER_USE_AGP
vmwgfx:
- Disable DMA when SEV encryption in use
- Shader Model 5 support - needed for GL4 support
msm:
- DPU resource manager refactor
- dpu using atomic global state
mediatek:
- MT8183 DPI support
etnaviv:
- out-of-bounds read fix
- expose feature flags for GC400 STM32MP1 SoC
- runtime suspend entry fix
- dma32 zone fix
hisilicon:
- mode selection fixes
meson:
- YUV420 support
lima:
- add support for heap buffers
tinydrm:
- removal of owner field
- explicit DT dependency removal
- YAML schema conversion
tegra:
- misc cleanups
tidss:
- new driver
virtio:
- better batching of notifications to host
- memory handling reworked
- shmem + gpu context fixes
hibmc:
- add gamma_set support
- improve DPMS support
pl111:
- Integrator IM-PD1 support
sun4i:
- LVDS support for A20 + A33
- DSI panel handling improvements"
* tag 'drm-next-2020-04-01' of git://anongit.freedesktop.org/drm/drm: (1537 commits)
drm/i915/display: Fix mode private_flags comparison at atomic_check
drm/i915/gt: Stage the transfer of the virtual breadcrumb
drm/i915/gt: Select the deepest available parking mode for rc6
drm/i915: Avoid live-lock with i915_vma_parked()
drm/i915/gt: Treat idling as a RPS downclock event
drm/i915/gt: Cancel a hung context if already closed
drm/i915: Use explicit flag to mark unreachable intel_context
drm/amdgpu: don't try to reserve training bo for sriov (v2)
drm/amdgpu/smu11: add support for SMU AC/DC interrupts
drm/amdgpu/swSMU: handle manual AC/DC notifications
drm/amdgpu/swSMU: handle DC controlled by GPIO for navi1x
drm/amdgpu/swSMU: set AC/DC mode based on the current system state (v2)
drm/amdgpu/swSMU: correct the bootup power source for Navi1X (v2)
drm/amdgpu/swSMU: use the smu11 power source helper for navi1x
drm/amdgpu/smu11: add a helper to set the power source
drm/amd/swSMU: add callback to set AC/DC power source (v2)
drm/scheduler: fix rare NULL ptr race
drm/amdgpu: fix the coverage issue to clear ArcVPGRs
drm/amd/display: Fix pageflip event race condition for DCN.
drm/[radeon|amdgpu]: Remove HAINAN board from max_sclk override check
...
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 1203 |
1 files changed, 139 insertions, 1064 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index eec1d6a6aa22..81a4621853db 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -44,12 +44,13 @@ #include <drm/drm_ioctl.h> #include <drm/drm_irq.h> #include <drm/drm_probe_helper.h> -#include <drm/i915_drm.h> #include "display/intel_acpi.h" #include "display/intel_audio.h" #include "display/intel_bw.h" #include "display/intel_cdclk.h" +#include "display/intel_csr.h" +#include "display/intel_display_debugfs.h" #include "display/intel_display_types.h" #include "display/intel_dp.h" #include "display/intel_fbdev.h" @@ -69,6 +70,7 @@ #include "i915_debugfs.h" #include "i915_drv.h" +#include "i915_ioc32.h" #include "i915_irq.h" #include "i915_memcpy.h" #include "i915_perf.h" @@ -78,74 +80,14 @@ #include "i915_sysfs.h" #include "i915_trace.h" #include "i915_vgpu.h" -#include "intel_csr.h" +#include "intel_dram.h" +#include "intel_gvt.h" #include "intel_memory_region.h" #include "intel_pm.h" +#include "vlv_suspend.h" static struct drm_driver driver; -struct vlv_s0ix_state { - /* GAM */ - u32 wr_watermark; - u32 gfx_prio_ctrl; - u32 arb_mode; - u32 gfx_pend_tlb0; - u32 gfx_pend_tlb1; - u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM]; - u32 media_max_req_count; - u32 gfx_max_req_count; - u32 render_hwsp; - u32 ecochk; - u32 bsd_hwsp; - u32 blt_hwsp; - u32 tlb_rd_addr; - - /* MBC */ - u32 g3dctl; - u32 gsckgctl; - u32 mbctl; - - /* GCP */ - u32 ucgctl1; - u32 ucgctl3; - u32 rcgctl1; - u32 rcgctl2; - u32 rstctl; - u32 misccpctl; - - /* GPM */ - u32 gfxpause; - u32 rpdeuhwtc; - u32 rpdeuc; - u32 ecobus; - u32 pwrdwnupctl; - u32 rp_down_timeout; - u32 rp_deucsw; - u32 rcubmabdtmr; - u32 rcedata; - u32 spare2gh; - - /* Display 1 CZ domain */ - u32 gt_imr; - u32 gt_ier; - u32 pm_imr; - u32 pm_ier; - u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM]; - - /* GT SA CZ domain */ - u32 tilectl; - u32 gt_fifoctl; - u32 gtlc_wake_ctrl; - u32 gtlc_survive; - u32 pmwgicz; - - /* Display 2 CZ domain */ - u32 gu_ctl0; - u32 gu_ctl1; - u32 pcbr; - u32 clock_gate_dis2; -}; - static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) { int domain = pci_domain_nr(dev_priv->drm.pdev->bus); @@ -153,7 +95,7 @@ static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) dev_priv->bridge_dev = pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(0, 0)); if (!dev_priv->bridge_dev) { - DRM_ERROR("bridge device not found\n"); + drm_err(&dev_priv->drm, "bridge device not found\n"); return -1; } return 0; @@ -190,7 +132,7 @@ intel_alloc_mchbar_resource(struct drm_i915_private *dev_priv) 0, pcibios_align_resource, dev_priv->bridge_dev); if (ret) { - DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret); + drm_dbg(&dev_priv->drm, "failed bus alloc: %d\n", ret); dev_priv->mch_res.start = 0; return ret; } @@ -273,7 +215,8 @@ intel_teardown_mchbar(struct drm_i915_private *dev_priv) release_resource(&dev_priv->mch_res); } -static int i915_driver_modeset_probe(struct drm_i915_private *i915) +/* part #1: call before irq install */ +static int i915_driver_modeset_probe_noirq(struct drm_i915_private *i915) { int ret; @@ -293,25 +236,32 @@ static int i915_driver_modeset_probe(struct drm_i915_private *i915) if (ret) goto out; - intel_register_dsm_handler(); + intel_power_domains_init_hw(i915, false); + + intel_csr_ucode_init(i915); - ret = i915_switcheroo_register(i915); + ret = intel_modeset_init_noirq(i915); if (ret) goto cleanup_vga_client; - intel_power_domains_init_hw(i915, false); + return 0; - intel_csr_ucode_init(i915); +cleanup_vga_client: + intel_vga_unregister(i915); +out: + return ret; +} - ret = intel_irq_install(i915); - if (ret) - goto cleanup_csr; +/* part #2: call after irq install */ +static int i915_driver_modeset_probe(struct drm_i915_private *i915) +{ + int ret; /* Important: The output setup functions called by modeset_init need * working irqs for e.g. gmbus and dp aux transfers. */ ret = intel_modeset_init(i915); if (ret) - goto cleanup_irq; + goto out; ret = i915_gem_init(i915); if (ret) @@ -340,29 +290,27 @@ cleanup_gem: i915_gem_driver_remove(i915); i915_gem_driver_release(i915); cleanup_modeset: + /* FIXME */ intel_modeset_driver_remove(i915); -cleanup_irq: intel_irq_uninstall(i915); -cleanup_csr: - intel_csr_ucode_fini(i915); - intel_power_domains_driver_remove(i915); - i915_switcheroo_unregister(i915); -cleanup_vga_client: - intel_vga_unregister(i915); + intel_modeset_driver_remove_noirq(i915); out: return ret; } +/* part #1: call before irq uninstall */ static void i915_driver_modeset_remove(struct drm_i915_private *i915) { intel_modeset_driver_remove(i915); +} - intel_irq_uninstall(i915); +/* part #2: call after irq uninstall */ +static void i915_driver_modeset_remove_noirq(struct drm_i915_private *i915) +{ + intel_modeset_driver_remove_noirq(i915); intel_bios_driver_remove(i915); - i915_switcheroo_unregister(i915); - intel_vga_unregister(i915); intel_csr_ucode_fini(i915); @@ -412,7 +360,7 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv) out_free_wq: destroy_workqueue(dev_priv->wq); out_err: - DRM_ERROR("Failed to allocate workqueues.\n"); + drm_err(&dev_priv->drm, "Failed to allocate workqueues.\n"); return -ENOMEM; } @@ -441,37 +389,15 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv) pre |= IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0); pre |= IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST); pre |= IS_KBL_REVID(dev_priv, 0, KBL_REVID_A0); + pre |= IS_GLK_REVID(dev_priv, 0, GLK_REVID_A2); if (pre) { - DRM_ERROR("This is a pre-production stepping. " + drm_err(&dev_priv->drm, "This is a pre-production stepping. " "It may not be fully functional.\n"); add_taint(TAINT_MACHINE_CHECK, LOCKDEP_STILL_OK); } } -static int vlv_alloc_s0ix_state(struct drm_i915_private *i915) -{ - if (!IS_VALLEYVIEW(i915)) - return 0; - - /* we write all the values in the struct, so no need to zero it out */ - i915->vlv_s0ix_state = kmalloc(sizeof(*i915->vlv_s0ix_state), - GFP_KERNEL); - if (!i915->vlv_s0ix_state) - return -ENOMEM; - - return 0; -} - -static void vlv_free_s0ix_state(struct drm_i915_private *i915) -{ - if (!i915->vlv_s0ix_state) - return; - - kfree(i915->vlv_s0ix_state); - i915->vlv_s0ix_state = NULL; -} - static void sanitize_gpu(struct drm_i915_private *i915) { if (!INTEL_INFO(i915)->gpu_reset_clobbers_display) @@ -519,7 +445,7 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) if (ret < 0) return ret; - ret = vlv_alloc_s0ix_state(dev_priv); + ret = vlv_suspend_init(dev_priv); if (ret < 0) goto err_workqueues; @@ -541,7 +467,6 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) intel_init_display_hooks(dev_priv); intel_init_clock_gating_hooks(dev_priv); intel_init_audio_hooks(dev_priv); - intel_display_crc_init(dev_priv); intel_detect_preproduction_hw(dev_priv); @@ -550,7 +475,7 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) err_gem: i915_gem_cleanup_early(dev_priv); intel_gt_driver_late_release(&dev_priv->gt); - vlv_free_s0ix_state(dev_priv); + vlv_suspend_cleanup(dev_priv); err_workqueues: i915_workqueues_cleanup(dev_priv); return ret; @@ -567,7 +492,7 @@ static void i915_driver_late_release(struct drm_i915_private *dev_priv) intel_power_domains_cleanup(dev_priv); i915_gem_cleanup_early(dev_priv); intel_gt_driver_late_release(&dev_priv->gt); - vlv_free_s0ix_state(dev_priv); + vlv_suspend_cleanup(dev_priv); i915_workqueues_cleanup(dev_priv); cpu_latency_qos_remove_request(&dev_priv->sb_qos); @@ -640,487 +565,6 @@ static void intel_sanitize_options(struct drm_i915_private *dev_priv) intel_gvt_sanitize_options(dev_priv); } -#define DRAM_TYPE_STR(type) [INTEL_DRAM_ ## type] = #type - -static const char *intel_dram_type_str(enum intel_dram_type type) -{ - static const char * const str[] = { - DRAM_TYPE_STR(UNKNOWN), - DRAM_TYPE_STR(DDR3), - DRAM_TYPE_STR(DDR4), - DRAM_TYPE_STR(LPDDR3), - DRAM_TYPE_STR(LPDDR4), - }; - - if (type >= ARRAY_SIZE(str)) - type = INTEL_DRAM_UNKNOWN; - - return str[type]; -} - -#undef DRAM_TYPE_STR - -static int intel_dimm_num_devices(const struct dram_dimm_info *dimm) -{ - return dimm->ranks * 64 / (dimm->width ?: 1); -} - -/* Returns total GB for the whole DIMM */ -static int skl_get_dimm_size(u16 val) -{ - return val & SKL_DRAM_SIZE_MASK; -} - -static int skl_get_dimm_width(u16 val) -{ - if (skl_get_dimm_size(val) == 0) - return 0; - - switch (val & SKL_DRAM_WIDTH_MASK) { - case SKL_DRAM_WIDTH_X8: - case SKL_DRAM_WIDTH_X16: - case SKL_DRAM_WIDTH_X32: - val = (val & SKL_DRAM_WIDTH_MASK) >> SKL_DRAM_WIDTH_SHIFT; - return 8 << val; - default: - MISSING_CASE(val); - return 0; - } -} - -static int skl_get_dimm_ranks(u16 val) -{ - if (skl_get_dimm_size(val) == 0) - return 0; - - val = (val & SKL_DRAM_RANK_MASK) >> SKL_DRAM_RANK_SHIFT; - - return val + 1; -} - -/* Returns total GB for the whole DIMM */ -static int cnl_get_dimm_size(u16 val) -{ - return (val & CNL_DRAM_SIZE_MASK) / 2; -} - -static int cnl_get_dimm_width(u16 val) -{ - if (cnl_get_dimm_size(val) == 0) - return 0; - - switch (val & CNL_DRAM_WIDTH_MASK) { - case CNL_DRAM_WIDTH_X8: - case CNL_DRAM_WIDTH_X16: - case CNL_DRAM_WIDTH_X32: - val = (val & CNL_DRAM_WIDTH_MASK) >> CNL_DRAM_WIDTH_SHIFT; - return 8 << val; - default: - MISSING_CASE(val); - return 0; - } -} - -static int cnl_get_dimm_ranks(u16 val) -{ - if (cnl_get_dimm_size(val) == 0) - return 0; - - val = (val & CNL_DRAM_RANK_MASK) >> CNL_DRAM_RANK_SHIFT; - - return val + 1; -} - -static bool -skl_is_16gb_dimm(const struct dram_dimm_info *dimm) -{ - /* Convert total GB to Gb per DRAM device */ - return 8 * dimm->size / (intel_dimm_num_devices(dimm) ?: 1) == 16; -} - -static void -skl_dram_get_dimm_info(struct drm_i915_private *dev_priv, - struct dram_dimm_info *dimm, - int channel, char dimm_name, u16 val) -{ - if (INTEL_GEN(dev_priv) >= 10) { - dimm->size = cnl_get_dimm_size(val); - dimm->width = cnl_get_dimm_width(val); - dimm->ranks = cnl_get_dimm_ranks(val); - } else { - dimm->size = skl_get_dimm_size(val); - dimm->width = skl_get_dimm_width(val); - dimm->ranks = skl_get_dimm_ranks(val); - } - - DRM_DEBUG_KMS("CH%u DIMM %c size: %u GB, width: X%u, ranks: %u, 16Gb DIMMs: %s\n", - channel, dimm_name, dimm->size, dimm->width, dimm->ranks, - yesno(skl_is_16gb_dimm(dimm))); -} - -static int -skl_dram_get_channel_info(struct drm_i915_private *dev_priv, - struct dram_channel_info *ch, - int channel, u32 val) -{ - skl_dram_get_dimm_info(dev_priv, &ch->dimm_l, - channel, 'L', val & 0xffff); - skl_dram_get_dimm_info(dev_priv, &ch->dimm_s, - channel, 'S', val >> 16); - - if (ch->dimm_l.size == 0 && ch->dimm_s.size == 0) { - DRM_DEBUG_KMS("CH%u not populated\n", channel); - return -EINVAL; - } - - if (ch->dimm_l.ranks == 2 || ch->dimm_s.ranks == 2) - ch->ranks = 2; - else if (ch->dimm_l.ranks == 1 && ch->dimm_s.ranks == 1) - ch->ranks = 2; - else - ch->ranks = 1; - - ch->is_16gb_dimm = - skl_is_16gb_dimm(&ch->dimm_l) || - skl_is_16gb_dimm(&ch->dimm_s); - - DRM_DEBUG_KMS("CH%u ranks: %u, 16Gb DIMMs: %s\n", - channel, ch->ranks, yesno(ch->is_16gb_dimm)); - - return 0; -} - -static bool -intel_is_dram_symmetric(const struct dram_channel_info *ch0, - const struct dram_channel_info *ch1) -{ - return !memcmp(ch0, ch1, sizeof(*ch0)) && - (ch0->dimm_s.size == 0 || - !memcmp(&ch0->dimm_l, &ch0->dimm_s, sizeof(ch0->dimm_l))); -} - -static int -skl_dram_get_channels_info(struct drm_i915_private *dev_priv) -{ - struct dram_info *dram_info = &dev_priv->dram_info; - struct dram_channel_info ch0 = {}, ch1 = {}; - u32 val; - int ret; - - val = I915_READ(SKL_MAD_DIMM_CH0_0_0_0_MCHBAR_MCMAIN); - ret = skl_dram_get_channel_info(dev_priv, &ch0, 0, val); - if (ret == 0) - dram_info->num_channels++; - - val = I915_READ(SKL_MAD_DIMM_CH1_0_0_0_MCHBAR_MCMAIN); - ret = skl_dram_get_channel_info(dev_priv, &ch1, 1, val); - if (ret == 0) - dram_info->num_channels++; - - if (dram_info->num_channels == 0) { - DRM_INFO("Number of memory channels is zero\n"); - return -EINVAL; - } - - /* - * If any of the channel is single rank channel, worst case output - * will be same as if single rank memory, so consider single rank - * memory. - */ - if (ch0.ranks == 1 || ch1.ranks == 1) - dram_info->ranks = 1; - else - dram_info->ranks = max(ch0.ranks, ch1.ranks); - - if (dram_info->ranks == 0) { - DRM_INFO("couldn't get memory rank information\n"); - return -EINVAL; - } - - dram_info->is_16gb_dimm = ch0.is_16gb_dimm || ch1.is_16gb_dimm; - - dram_info->symmetric_memory = intel_is_dram_symmetric(&ch0, &ch1); - - DRM_DEBUG_KMS("Memory configuration is symmetric? %s\n", - yesno(dram_info->symmetric_memory)); - return 0; -} - -static enum intel_dram_type -skl_get_dram_type(struct drm_i915_private *dev_priv) -{ - u32 val; - - val = I915_READ(SKL_MAD_INTER_CHANNEL_0_0_0_MCHBAR_MCMAIN); - - switch (val & SKL_DRAM_DDR_TYPE_MASK) { - case SKL_DRAM_DDR_TYPE_DDR3: - return INTEL_DRAM_DDR3; - case SKL_DRAM_DDR_TYPE_DDR4: - return INTEL_DRAM_DDR4; - case SKL_DRAM_DDR_TYPE_LPDDR3: - return INTEL_DRAM_LPDDR3; - case SKL_DRAM_DDR_TYPE_LPDDR4: - return INTEL_DRAM_LPDDR4; - default: - MISSING_CASE(val); - return INTEL_DRAM_UNKNOWN; - } -} - -static int -skl_get_dram_info(struct drm_i915_private *dev_priv) -{ - struct dram_info *dram_info = &dev_priv->dram_info; - u32 mem_freq_khz, val; - int ret; - - dram_info->type = skl_get_dram_type(dev_priv); - DRM_DEBUG_KMS("DRAM type: %s\n", intel_dram_type_str(dram_info->type)); - - ret = skl_dram_get_channels_info(dev_priv); - if (ret) - return ret; - - val = I915_READ(SKL_MC_BIOS_DATA_0_0_0_MCHBAR_PCU); - mem_freq_khz = DIV_ROUND_UP((val & SKL_REQ_DATA_MASK) * - SKL_MEMORY_FREQ_MULTIPLIER_HZ, 1000); - - dram_info->bandwidth_kbps = dram_info->num_channels * - mem_freq_khz * 8; - - if (dram_info->bandwidth_kbps == 0) { - DRM_INFO("Couldn't get system memory bandwidth\n"); - return -EINVAL; - } - - dram_info->valid = true; - return 0; -} - -/* Returns Gb per DRAM device */ -static int bxt_get_dimm_size(u32 val) -{ - switch (val & BXT_DRAM_SIZE_MASK) { - case BXT_DRAM_SIZE_4GBIT: - return 4; - case BXT_DRAM_SIZE_6GBIT: - return 6; - case BXT_DRAM_SIZE_8GBIT: - return 8; - case BXT_DRAM_SIZE_12GBIT: - return 12; - case BXT_DRAM_SIZE_16GBIT: - return 16; - default: - MISSING_CASE(val); - return 0; - } -} - -static int bxt_get_dimm_width(u32 val) -{ - if (!bxt_get_dimm_size(val)) - return 0; - - val = (val & BXT_DRAM_WIDTH_MASK) >> BXT_DRAM_WIDTH_SHIFT; - - return 8 << val; -} - -static int bxt_get_dimm_ranks(u32 val) -{ - if (!bxt_get_dimm_size(val)) - return 0; - - switch (val & BXT_DRAM_RANK_MASK) { - case BXT_DRAM_RANK_SINGLE: - return 1; - case BXT_DRAM_RANK_DUAL: - return 2; - default: - MISSING_CASE(val); - return 0; - } -} - -static enum intel_dram_type bxt_get_dimm_type(u32 val) -{ - if (!bxt_get_dimm_size(val)) - return INTEL_DRAM_UNKNOWN; - - switch (val & BXT_DRAM_TYPE_MASK) { - case BXT_DRAM_TYPE_DDR3: - return INTEL_DRAM_DDR3; - case BXT_DRAM_TYPE_LPDDR3: - return INTEL_DRAM_LPDDR3; - case BXT_DRAM_TYPE_DDR4: - return INTEL_DRAM_DDR4; - case BXT_DRAM_TYPE_LPDDR4: - return INTEL_DRAM_LPDDR4; - default: - MISSING_CASE(val); - return INTEL_DRAM_UNKNOWN; - } -} - -static void bxt_get_dimm_info(struct dram_dimm_info *dimm, - u32 val) -{ - dimm->width = bxt_get_dimm_width(val); - dimm->ranks = bxt_get_dimm_ranks(val); - - /* - * Size in register is Gb per DRAM device. Convert to total - * GB to match the way we report this for non-LP platforms. - */ - dimm->size = bxt_get_dimm_size(val) * intel_dimm_num_devices(dimm) / 8; -} - -static int -bxt_get_dram_info(struct drm_i915_private *dev_priv) -{ - struct dram_info *dram_info = &dev_priv->dram_info; - u32 dram_channels; - u32 mem_freq_khz, val; - u8 num_active_channels; - int i; - - val = I915_READ(BXT_P_CR_MC_BIOS_REQ_0_0_0); - mem_freq_khz = DIV_ROUND_UP((val & BXT_REQ_DATA_MASK) * - BXT_MEMORY_FREQ_MULTIPLIER_HZ, 1000); - - dram_channels = val & BXT_DRAM_CHANNEL_ACTIVE_MASK; - num_active_channels = hweight32(dram_channels); - - /* Each active bit represents 4-byte channel */ - dram_info->bandwidth_kbps = (mem_freq_khz * num_active_channels * 4); - - if (dram_info->bandwidth_kbps == 0) { - DRM_INFO("Couldn't get system memory bandwidth\n"); - return -EINVAL; - } - - /* - * Now read each DUNIT8/9/10/11 to check the rank of each dimms. - */ - for (i = BXT_D_CR_DRP0_DUNIT_START; i <= BXT_D_CR_DRP0_DUNIT_END; i++) { - struct dram_dimm_info dimm; - enum intel_dram_type type; - - val = I915_READ(BXT_D_CR_DRP0_DUNIT(i)); - if (val == 0xFFFFFFFF) - continue; - - dram_info->num_channels++; - - bxt_get_dimm_info(&dimm, val); - type = bxt_get_dimm_type(val); - - WARN_ON(type != INTEL_DRAM_UNKNOWN && - dram_info->type != INTEL_DRAM_UNKNOWN && - dram_info->type != type); - - DRM_DEBUG_KMS("CH%u DIMM size: %u GB, width: X%u, ranks: %u, type: %s\n", - i - BXT_D_CR_DRP0_DUNIT_START, - dimm.size, dimm.width, dimm.ranks, - intel_dram_type_str(type)); - - /* - * If any of the channel is single rank channel, - * worst case output will be same as if single rank - * memory, so consider single rank memory. - */ - if (dram_info->ranks == 0) - dram_info->ranks = dimm.ranks; - else if (dimm.ranks == 1) - dram_info->ranks = 1; - - if (type != INTEL_DRAM_UNKNOWN) - dram_info->type = type; - } - - if (dram_info->type == INTEL_DRAM_UNKNOWN || - dram_info->ranks == 0) { - DRM_INFO("couldn't get memory information\n"); - return -EINVAL; - } - - dram_info->valid = true; - return 0; -} - -static void -intel_get_dram_info(struct drm_i915_private *dev_priv) -{ - struct dram_info *dram_info = &dev_priv->dram_info; - int ret; - - /* - * Assume 16Gb DIMMs are present until proven otherwise. - * This is only used for the level 0 watermark latency - * w/a which does not apply to bxt/glk. - */ - dram_info->is_16gb_dimm = !IS_GEN9_LP(dev_priv); - - if (INTEL_GEN(dev_priv) < 9 || !HAS_DISPLAY(dev_priv)) - return; - - if (IS_GEN9_LP(dev_priv)) - ret = bxt_get_dram_info(dev_priv); - else - ret = skl_get_dram_info(dev_priv); - if (ret) - return; - - DRM_DEBUG_KMS("DRAM bandwidth: %u kBps, channels: %u\n", - dram_info->bandwidth_kbps, - dram_info->num_channels); - - DRM_DEBUG_KMS("DRAM ranks: %u, 16Gb DIMMs: %s\n", - dram_info->ranks, yesno(dram_info->is_16gb_dimm)); -} - -static u32 gen9_edram_size_mb(struct drm_i915_private *dev_priv, u32 cap) -{ - static const u8 ways[8] = { 4, 8, 12, 16, 16, 16, 16, 16 }; - static const u8 sets[4] = { 1, 1, 2, 2 }; - - return EDRAM_NUM_BANKS(cap) * - ways[EDRAM_WAYS_IDX(cap)] * - sets[EDRAM_SETS_IDX(cap)]; -} - -static void edram_detect(struct drm_i915_private *dev_priv) -{ - u32 edram_cap = 0; - - if (!(IS_HASWELL(dev_priv) || - IS_BROADWELL(dev_priv) || - INTEL_GEN(dev_priv) >= 9)) - return; - - edram_cap = __raw_uncore_read32(&dev_priv->uncore, HSW_EDRAM_CAP); - - /* NB: We can't write IDICR yet because we don't have gt funcs set up */ - - if (!(edram_cap & EDRAM_ENABLED)) - return; - - /* - * The needed capability bits for size calculation are not there with - * pre gen9 so return 128MB always. - */ - if (INTEL_GEN(dev_priv) < 9) - dev_priv->edram_size_mb = 128; - else - dev_priv->edram_size_mb = - gen9_edram_size_mb(dev_priv, edram_cap); - - dev_info(dev_priv->drm.dev, - "Found %uMB of eDRAM\n", dev_priv->edram_size_mb); -} - /** * i915_driver_hw_probe - setup state requiring device access * @dev_priv: device private @@ -1164,7 +608,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) intel_sanitize_options(dev_priv); /* needs to be done before ggtt probe */ - edram_detect(dev_priv); + intel_dram_edram_detect(dev_priv); i915_perf_init(dev_priv); @@ -1188,7 +632,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) ret = i915_ggtt_enable_hw(dev_priv); if (ret) { - DRM_ERROR("failed to enable GGTT\n"); + drm_err(&dev_priv->drm, "failed to enable GGTT\n"); goto err_mem_regions; } @@ -1204,7 +648,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) if (IS_GEN(dev_priv, 2)) { ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(30)); if (ret) { - DRM_ERROR("failed to set DMA mask\n"); + drm_err(&dev_priv->drm, "failed to set DMA mask\n"); goto err_mem_regions; } @@ -1222,7 +666,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); if (ret) { - DRM_ERROR("failed to set DMA mask\n"); + drm_err(&dev_priv->drm, "failed to set DMA mask\n"); goto err_mem_regions; } @@ -1253,7 +697,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) */ if (INTEL_GEN(dev_priv) >= 5) { if (pci_enable_msi(pdev) < 0) - DRM_DEBUG_DRIVER("can't enable MSI"); + drm_dbg(&dev_priv->drm, "can't enable MSI"); } ret = intel_gvt_init(dev_priv); @@ -1265,7 +709,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) * Fill the dram structure to get the system raw bandwidth and * dram info. This will be used for memory latency calculation. */ - intel_get_dram_info(dev_priv); + intel_dram_detect(dev_priv); intel_bw_init_hw(dev_priv); @@ -1314,22 +758,19 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) i915_gem_driver_register(dev_priv); i915_pmu_register(dev_priv); - /* - * Notify a valid surface after modesetting, - * when running inside a VM. - */ - if (intel_vgpu_active(dev_priv)) - I915_WRITE(vgtif_reg(display_ready), VGT_DRV_DISPLAY_READY); + intel_vgpu_register(dev_priv); /* Reveal our presence to userspace */ if (drm_dev_register(dev, 0) == 0) { i915_debugfs_register(dev_priv); + intel_display_debugfs_register(dev_priv); i915_setup_sysfs(dev_priv); /* Depends on sysfs having been initialized */ i915_perf_register(dev_priv); } else - DRM_ERROR("Failed to register driver for userspace access!\n"); + drm_err(&dev_priv->drm, + "Failed to register driver for userspace access!\n"); if (HAS_DISPLAY(dev_priv) && INTEL_DISPLAY_ENABLED(dev_priv)) { /* Must be done after probing outputs */ @@ -1359,6 +800,11 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) intel_power_domains_enable(dev_priv); intel_runtime_pm_enable(&dev_priv->runtime_pm); + + intel_register_dsm_handler(); + + if (i915_switcheroo_register(dev_priv)) + drm_err(&dev_priv->drm, "Failed to register vga switcheroo!\n"); } /** @@ -1367,6 +813,10 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) */ static void i915_driver_unregister(struct drm_i915_private *dev_priv) { + i915_switcheroo_unregister(dev_priv); + + intel_unregister_dsm_handler(); + intel_runtime_pm_disable(&dev_priv->runtime_pm); intel_power_domains_disable(dev_priv); @@ -1411,11 +861,12 @@ static void i915_welcome_messages(struct drm_i915_private *dev_priv) } if (IS_ENABLED(CONFIG_DRM_I915_DEBUG)) - DRM_INFO("DRM_I915_DEBUG enabled\n"); + drm_info(&dev_priv->drm, "DRM_I915_DEBUG enabled\n"); if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) - DRM_INFO("DRM_I915_DEBUG_GEM enabled\n"); + drm_info(&dev_priv->drm, "DRM_I915_DEBUG_GEM enabled\n"); if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)) - DRM_INFO("DRM_I915_DEBUG_RUNTIME_PM enabled\n"); + drm_info(&dev_priv->drm, + "DRM_I915_DEBUG_RUNTIME_PM enabled\n"); } static struct drm_i915_private * @@ -1437,8 +888,6 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent) return ERR_PTR(err); } - i915->drm.dev_private = i915; - i915->drm.pdev = pdev; pci_set_drvdata(pdev, i915); @@ -1478,16 +927,16 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { const struct intel_device_info *match_info = (struct intel_device_info *)ent->driver_data; - struct drm_i915_private *dev_priv; + struct drm_i915_private *i915; int ret; - dev_priv = i915_driver_create(pdev, ent); - if (IS_ERR(dev_priv)) - return PTR_ERR(dev_priv); + i915 = i915_driver_create(pdev, ent); + if (IS_ERR(i915)) + return PTR_ERR(i915); /* Disable nuclear pageflip by default on pre-ILK */ if (!i915_modparams.nuclear_pageflip && match_info->gen < 5) - dev_priv->drm.driver_features &= ~DRIVER_ATOMIC; + i915->drm.driver_features &= ~DRIVER_ATOMIC; /* * Check if we support fake LMEM -- for now we only unleash this for @@ -1495,13 +944,13 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) */ #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) if (IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM)) { - if (INTEL_GEN(dev_priv) >= 9 && i915_selftest.live < 0 && + if (INTEL_GEN(i915) >= 9 && i915_selftest.live < 0 && i915_modparams.fake_lmem_start) { - mkwrite_device_info(dev_priv)->memory_regions = + mkwrite_device_info(i915)->memory_regions = REGION_SMEM | REGION_LMEM | REGION_STOLEN; - mkwrite_device_info(dev_priv)->is_dgfx = true; - GEM_BUG_ON(!HAS_LMEM(dev_priv)); - GEM_BUG_ON(!IS_DGFX(dev_priv)); + mkwrite_device_info(i915)->is_dgfx = true; + GEM_BUG_ON(!HAS_LMEM(i915)); + GEM_BUG_ON(!IS_DGFX(i915)); } } #endif @@ -1510,48 +959,60 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto out_fini; - ret = i915_driver_early_probe(dev_priv); + ret = i915_driver_early_probe(i915); if (ret < 0) goto out_pci_disable; - disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); + disable_rpm_wakeref_asserts(&i915->runtime_pm); - i915_detect_vgpu(dev_priv); + intel_vgpu_detect(i915); - ret = i915_driver_mmio_probe(dev_priv); + ret = i915_driver_mmio_probe(i915); if (ret < 0) goto out_runtime_pm_put; - ret = i915_driver_hw_probe(dev_priv); + ret = i915_driver_hw_probe(i915); if (ret < 0) goto out_cleanup_mmio; - ret = i915_driver_modeset_probe(dev_priv); + ret = i915_driver_modeset_probe_noirq(i915); if (ret < 0) goto out_cleanup_hw; - i915_driver_register(dev_priv); + ret = intel_irq_install(i915); + if (ret) + goto out_cleanup_modeset; - enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); + ret = i915_driver_modeset_probe(i915); + if (ret < 0) + goto out_cleanup_irq; + + i915_driver_register(i915); + + enable_rpm_wakeref_asserts(&i915->runtime_pm); - i915_welcome_messages(dev_priv); + i915_welcome_messages(i915); return 0; +out_cleanup_irq: + intel_irq_uninstall(i915); +out_cleanup_modeset: + /* FIXME */ out_cleanup_hw: - i915_driver_hw_remove(dev_priv); - intel_memory_regions_driver_release(dev_priv); - i915_ggtt_driver_release(dev_priv); + i915_driver_hw_remove(i915); + intel_memory_regions_driver_release(i915); + i915_ggtt_driver_release(i915); out_cleanup_mmio: - i915_driver_mmio_release(dev_priv); + i915_driver_mmio_release(i915); out_runtime_pm_put: - enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - i915_driver_late_release(dev_priv); + enable_rpm_wakeref_asserts(&i915->runtime_pm); + i915_driver_late_release(i915); out_pci_disable: pci_disable_device(pdev); out_fini: - i915_probe_error(dev_priv, "Device initialization failed (%d)\n", ret); - i915_driver_destroy(dev_priv); + i915_probe_error(i915, "Device initialization failed (%d)\n", ret); + i915_driver_destroy(i915); return ret; } @@ -1561,13 +1022,6 @@ void i915_driver_remove(struct drm_i915_private *i915) i915_driver_unregister(i915); - /* - * After unregistering the device to prevent any new users, cancel - * all in-flight requests so that we can quickly unbind the active - * resources. - */ - intel_gt_set_wedged(&i915->gt); - /* Flush any external code that still may be under the RCU lock */ synchronize_rcu(); @@ -1579,6 +1033,10 @@ void i915_driver_remove(struct drm_i915_private *i915) i915_driver_modeset_remove(i915); + intel_irq_uninstall(i915); + + i915_driver_modeset_remove_noirq(i915); + i915_reset_error_state(i915); i915_gem_driver_remove(i915); @@ -1665,10 +1123,6 @@ static void intel_suspend_encoders(struct drm_i915_private *dev_priv) drm_modeset_unlock_all(dev); } -static int vlv_resume_prepare(struct drm_i915_private *dev_priv, - bool rpm_resume); -static int vlv_suspend_complete(struct drm_i915_private *dev_priv); - static bool suspend_to_idle(struct drm_i915_private *dev_priv) { #if IS_ENABLED(CONFIG_ACPI_SLEEP) @@ -1720,7 +1174,7 @@ static int i915_drm_suspend(struct drm_device *dev) intel_suspend_hw(dev_priv); - i915_gem_suspend_gtt_mappings(dev_priv); + i915_ggtt_suspend(&dev_priv->ggtt); i915_save_state(dev_priv); @@ -1755,7 +1209,7 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = dev_priv->drm.pdev; struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - int ret = 0; + int ret; disable_rpm_wakeref_asserts(rpm); @@ -1768,11 +1222,9 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) intel_display_power_suspend_late(dev_priv); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - ret = vlv_suspend_complete(dev_priv); - + ret = vlv_suspend_complete(dev_priv); if (ret) { - DRM_ERROR("Suspend complete failed: %d\n", ret); + drm_err(&dev_priv->drm, "Suspend complete failed: %d\n", ret); intel_power_domains_resume(dev_priv); goto out; @@ -1806,8 +1258,8 @@ int i915_suspend_switcheroo(struct drm_i915_private *i915, pm_message_t state) { int error; - if (WARN_ON_ONCE(state.event != PM_EVENT_SUSPEND && - state.event != PM_EVENT_FREEZE)) + if (drm_WARN_ON_ONCE(&i915->drm, state.event != PM_EVENT_SUSPEND && + state.event != PM_EVENT_FREEZE)) return -EINVAL; if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF) @@ -1831,9 +1283,9 @@ static int i915_drm_resume(struct drm_device *dev) ret = i915_ggtt_enable_hw(dev_priv); if (ret) - DRM_ERROR("failed to re-enable GGTT\n"); + drm_err(&dev_priv->drm, "failed to re-enable GGTT\n"); - i915_gem_restore_gtt_mappings(dev_priv); + i915_ggtt_resume(&dev_priv->ggtt); i915_gem_restore_fences(&dev_priv->ggtt); intel_csr_ucode_resume(dev_priv); @@ -1920,7 +1372,8 @@ static int i915_drm_resume_early(struct drm_device *dev) */ ret = pci_set_power_state(pdev, PCI_D0); if (ret) { - DRM_ERROR("failed to set PCI D0 power state (%d)\n", ret); + drm_err(&dev_priv->drm, + "failed to set PCI D0 power state (%d)\n", ret); return ret; } @@ -1944,11 +1397,10 @@ static int i915_drm_resume_early(struct drm_device *dev) disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - ret = vlv_resume_prepare(dev_priv, false); + ret = vlv_resume_prepare(dev_priv, false); if (ret) - DRM_ERROR("Resume prepare failed: %d, continuing anyway\n", - ret); + drm_err(&dev_priv->drm, + "Resume prepare failed: %d, continuing anyway\n", ret); intel_uncore_resume_early(&dev_priv->uncore); @@ -2115,391 +1567,16 @@ static int i915_pm_restore(struct device *kdev) return i915_pm_resume(kdev); } -/* - * Save all Gunit registers that may be lost after a D3 and a subsequent - * S0i[R123] transition. The list of registers needing a save/restore is - * defined in the VLV2_S0IXRegs document. This documents marks all Gunit - * registers in the following way: - * - Driver: saved/restored by the driver - * - Punit : saved/restored by the Punit firmware - * - No, w/o marking: no need to save/restore, since the register is R/O or - * used internally by the HW in a way that doesn't depend - * keeping the content across a suspend/resume. - * - Debug : used for debugging - * - * We save/restore all registers marked with 'Driver', with the following - * exceptions: - * - Registers out of use, including also registers marked with 'Debug'. - * These have no effect on the driver's operation, so we don't save/restore - * them to reduce the overhead. - * - Registers that are fully setup by an initialization function called from - * the resume path. For example many clock gating and RPS/RC6 registers. - * - Registers that provide the right functionality with their reset defaults. - * - * TODO: Except for registers that based on the above 3 criteria can be safely - * ignored, we save/restore all others, practically treating the HW context as - * a black-box for the driver. Further investigation is needed to reduce the - * saved/restored registers even further, by following the same 3 criteria. - */ -static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) -{ - struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state; - int i; - - if (!s) - return; - - /* GAM 0x4000-0x4770 */ - s->wr_watermark = I915_READ(GEN7_WR_WATERMARK); - s->gfx_prio_ctrl = I915_READ(GEN7_GFX_PRIO_CTRL); - s->arb_mode = I915_READ(ARB_MODE); - s->gfx_pend_tlb0 = I915_READ(GEN7_GFX_PEND_TLB0); - s->gfx_pend_tlb1 = I915_READ(GEN7_GFX_PEND_TLB1); - - for (i = 0; i < ARRAY_SIZE(s->lra_limits); i++) - s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS(i)); - - s->media_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); - s->gfx_max_req_count = I915_READ(GEN7_GFX_MAX_REQ_COUNT); - - s->render_hwsp = I915_READ(RENDER_HWS_PGA_GEN7); - s->ecochk = I915_READ(GAM_ECOCHK); - s->bsd_hwsp = I915_READ(BSD_HWS_PGA_GEN7); - s->blt_hwsp = I915_READ(BLT_HWS_PGA_GEN7); - - s->tlb_rd_addr = I915_READ(GEN7_TLB_RD_ADDR); - - /* MBC 0x9024-0x91D0, 0x8500 */ - s->g3dctl = I915_READ(VLV_G3DCTL); - s->gsckgctl = I915_READ(VLV_GSCKGCTL); - s->mbctl = I915_READ(GEN6_MBCTL); - - /* GCP 0x9400-0x9424, 0x8100-0x810C */ - s->ucgctl1 = I915_READ(GEN6_UCGCTL1); - s->ucgctl3 = I915_READ(GEN6_UCGCTL3); - s->rcgctl1 = I915_READ(GEN6_RCGCTL1); - s->rcgctl2 = I915_READ(GEN6_RCGCTL2); - s->rstctl = I915_READ(GEN6_RSTCTL); - s->misccpctl = I915_READ(GEN7_MISCCPCTL); - - /* GPM 0xA000-0xAA84, 0x8000-0x80FC */ - s->gfxpause = I915_READ(GEN6_GFXPAUSE); - s->rpdeuhwtc = I915_READ(GEN6_RPDEUHWTC); - s->rpdeuc = I915_READ(GEN6_RPDEUC); - s->ecobus = I915_READ(ECOBUS); - s->pwrdwnupctl = I915_READ(VLV_PWRDWNUPCTL); - s->rp_down_timeout = I915_READ(GEN6_RP_DOWN_TIMEOUT); - s->rp_deucsw = I915_READ(GEN6_RPDEUCSW); - s->rcubmabdtmr = I915_READ(GEN6_RCUBMABDTMR); - s->rcedata = I915_READ(VLV_RCEDATA); - s->spare2gh = I915_READ(VLV_SPAREG2H); - - /* Display CZ domain, 0x4400C-0x4402C, 0x4F000-0x4F11F */ - s->gt_imr = I915_READ(GTIMR); - s->gt_ier = I915_READ(GTIER); - s->pm_imr = I915_READ(GEN6_PMIMR); - s->pm_ier = I915_READ(GEN6_PMIER); - - for (i = 0; i < ARRAY_SIZE(s->gt_scratch); i++) - s->gt_scratch[i] = I915_READ(GEN7_GT_SCRATCH(i)); - - /* GT SA CZ domain, 0x100000-0x138124 */ - s->tilectl = I915_READ(TILECTL); - s->gt_fifoctl = I915_READ(GTFIFOCTL); - s->gtlc_wake_ctrl = I915_READ(VLV_GTLC_WAKE_CTRL); - s->gtlc_survive = I915_READ(VLV_GTLC_SURVIVABILITY_REG); - s->pmwgicz = I915_READ(VLV_PMWGICZ); - - /* Gunit-Display CZ domain, 0x182028-0x1821CF */ - s->gu_ctl0 = I915_READ(VLV_GU_CTL0); - s->gu_ctl1 = I915_READ(VLV_GU_CTL1); - s->pcbr = I915_READ(VLV_PCBR); - s->clock_gate_dis2 = I915_READ(VLV_GUNIT_CLOCK_GATE2); - - /* - * Not saving any of: - * DFT, 0x9800-0x9EC0 - * SARB, 0xB000-0xB1FC - * GAC, 0x5208-0x524C, 0x14000-0x14C000 - * PCI CFG - */ -} - -static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) -{ - struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state; - u32 val; - int i; - - if (!s) - return; - - /* GAM 0x4000-0x4770 */ - I915_WRITE(GEN7_WR_WATERMARK, s->wr_watermark); - I915_WRITE(GEN7_GFX_PRIO_CTRL, s->gfx_prio_ctrl); - I915_WRITE(ARB_MODE, s->arb_mode | (0xffff << 16)); - I915_WRITE(GEN7_GFX_PEND_TLB0, s->gfx_pend_tlb0); - I915_WRITE(GEN7_GFX_PEND_TLB1, s->gfx_pend_tlb1); - - for (i = 0; i < ARRAY_SIZE(s->lra_limits); i++) - I915_WRITE(GEN7_LRA_LIMITS(i), s->lra_limits[i]); - - I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count); - I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count); - - I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp); - I915_WRITE(GAM_ECOCHK, s->ecochk); - I915_WRITE(BSD_HWS_PGA_GEN7, s->bsd_hwsp); - I915_WRITE(BLT_HWS_PGA_GEN7, s->blt_hwsp); - - I915_WRITE(GEN7_TLB_RD_ADDR, s->tlb_rd_addr); - - /* MBC 0x9024-0x91D0, 0x8500 */ - I915_WRITE(VLV_G3DCTL, s->g3dctl); - I915_WRITE(VLV_GSCKGCTL, s->gsckgctl); - I915_WRITE(GEN6_MBCTL, s->mbctl); - - /* GCP 0x9400-0x9424, 0x8100-0x810C */ - I915_WRITE(GEN6_UCGCTL1, s->ucgctl1); - I915_WRITE(GEN6_UCGCTL3, s->ucgctl3); - I915_WRITE(GEN6_RCGCTL1, s->rcgctl1); - I915_WRITE(GEN6_RCGCTL2, s->rcgctl2); - I915_WRITE(GEN6_RSTCTL, s->rstctl); - I915_WRITE(GEN7_MISCCPCTL, s->misccpctl); - - /* GPM 0xA000-0xAA84, 0x8000-0x80FC */ - I915_WRITE(GEN6_GFXPAUSE, s->gfxpause); - I915_WRITE(GEN6_RPDEUHWTC, s->rpdeuhwtc); - I915_WRITE(GEN6_RPDEUC, s->rpdeuc); - I915_WRITE(ECOBUS, s->ecobus); - I915_WRITE(VLV_PWRDWNUPCTL, s->pwrdwnupctl); - I915_WRITE(GEN6_RP_DOWN_TIMEOUT,s->rp_down_timeout); - I915_WRITE(GEN6_RPDEUCSW, s->rp_deucsw); - I915_WRITE(GEN6_RCUBMABDTMR, s->rcubmabdtmr); - I915_WRITE(VLV_RCEDATA, s->rcedata); - I915_WRITE(VLV_SPAREG2H, s->spare2gh); - - /* Display CZ domain, 0x4400C-0x4402C, 0x4F000-0x4F11F */ - I915_WRITE(GTIMR, s->gt_imr); - I915_WRITE(GTIER, s->gt_ier); - I915_WRITE(GEN6_PMIMR, s->pm_imr); - I915_WRITE(GEN6_PMIER, s->pm_ier); - - for (i = 0; i < ARRAY_SIZE(s->gt_scratch); i++) - I915_WRITE(GEN7_GT_SCRATCH(i), s->gt_scratch[i]); - - /* GT SA CZ domain, 0x100000-0x138124 */ - I915_WRITE(TILECTL, s->tilectl); - I915_WRITE(GTFIFOCTL, s->gt_fifoctl); - /* - * Preserve the GT allow wake and GFX force clock bit, they are not - * be restored, as they are used to control the s0ix suspend/resume - * sequence by the caller. - */ - val = I915_READ(VLV_GTLC_WAKE_CTRL); - val &= VLV_GTLC_ALLOWWAKEREQ; - val |= s->gtlc_wake_ctrl & ~VLV_GTLC_ALLOWWAKEREQ; - I915_WRITE(VLV_GTLC_WAKE_CTRL, val); - - val = I915_READ(VLV_GTLC_SURVIVABILITY_REG); - val &= VLV_GFX_CLK_FORCE_ON_BIT; - val |= s->gtlc_survive & ~VLV_GFX_CLK_FORCE_ON_BIT; - I915_WRITE(VLV_GTLC_SURVIVABILITY_REG, val); - - I915_WRITE(VLV_PMWGICZ, s->pmwgicz); - - /* Gunit-Display CZ domain, 0x182028-0x1821CF */ - I915_WRITE(VLV_GU_CTL0, s->gu_ctl0); - I915_WRITE(VLV_GU_CTL1, s->gu_ctl1); - I915_WRITE(VLV_PCBR, s->pcbr); - I915_WRITE(VLV_GUNIT_CLOCK_GATE2, s->clock_gate_dis2); -} - -static int vlv_wait_for_pw_status(struct drm_i915_private *i915, - u32 mask, u32 val) -{ - i915_reg_t reg = VLV_GTLC_PW_STATUS; - u32 reg_value; - int ret; - - /* The HW does not like us polling for PW_STATUS frequently, so - * use the sleeping loop rather than risk the busy spin within - * intel_wait_for_register(). - * - * Transitioning between RC6 states should be at most 2ms (see - * valleyview_enable_rps) so use a 3ms timeout. - */ - ret = wait_for(((reg_value = - intel_uncore_read_notrace(&i915->uncore, reg)) & mask) - == val, 3); - - /* just trace the final value */ - trace_i915_reg_rw(false, reg, reg_value, sizeof(reg_value), true); - - return ret; -} - -int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on) -{ - u32 val; - int err; - - val = I915_READ(VLV_GTLC_SURVIVABILITY_REG); - val &= ~VLV_GFX_CLK_FORCE_ON_BIT; - if (force_on) - val |= VLV_GFX_CLK_FORCE_ON_BIT; - I915_WRITE(VLV_GTLC_SURVIVABILITY_REG, val); - - if (!force_on) - return 0; - - err = intel_wait_for_register(&dev_priv->uncore, - VLV_GTLC_SURVIVABILITY_REG, - VLV_GFX_CLK_STATUS_BIT, - VLV_GFX_CLK_STATUS_BIT, - 20); - if (err) - DRM_ERROR("timeout waiting for GFX clock force-on (%08x)\n", - I915_READ(VLV_GTLC_SURVIVABILITY_REG)); - - return err; -} - -static int vlv_allow_gt_wake(struct drm_i915_private *dev_priv, bool allow) -{ - u32 mask; - u32 val; - int err; - - val = I915_READ(VLV_GTLC_WAKE_CTRL); - val &= ~VLV_GTLC_ALLOWWAKEREQ; - if (allow) - val |= VLV_GTLC_ALLOWWAKEREQ; - I915_WRITE(VLV_GTLC_WAKE_CTRL, val); - POSTING_READ(VLV_GTLC_WAKE_CTRL); - - mask = VLV_GTLC_ALLOWWAKEACK; - val = allow ? mask : 0; - - err = vlv_wait_for_pw_status(dev_priv, mask, val); - if (err) - DRM_ERROR("timeout disabling GT waking\n"); - - return err; -} - -static void vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv, - bool wait_for_on) -{ - u32 mask; - u32 val; - - mask = VLV_GTLC_PW_MEDIA_STATUS_MASK | VLV_GTLC_PW_RENDER_STATUS_MASK; - val = wait_for_on ? mask : 0; - - /* - * RC6 transitioning can be delayed up to 2 msec (see - * valleyview_enable_rps), use 3 msec for safety. - * - * This can fail to turn off the rc6 if the GPU is stuck after a failed - * reset and we are trying to force the machine to sleep. - */ - if (vlv_wait_for_pw_status(dev_priv, mask, val)) - DRM_DEBUG_DRIVER("timeout waiting for GT wells to go %s\n", - onoff(wait_for_on)); -} - -static void vlv_check_no_gt_access(struct drm_i915_private *dev_priv) -{ - if (!(I915_READ(VLV_GTLC_PW_STATUS) & VLV_GTLC_ALLOWWAKEERR)) - return; - - DRM_DEBUG_DRIVER("GT register access while GT waking disabled\n"); - I915_WRITE(VLV_GTLC_PW_STATUS, VLV_GTLC_ALLOWWAKEERR); -} - -static int vlv_suspend_complete(struct drm_i915_private *dev_priv) -{ - u32 mask; - int err; - - /* - * Bspec defines the following GT well on flags as debug only, so - * don't treat them as hard failures. - */ - vlv_wait_for_gt_wells(dev_priv, false); - - mask = VLV_GTLC_RENDER_CTX_EXISTS | VLV_GTLC_MEDIA_CTX_EXISTS; - WARN_ON((I915_READ(VLV_GTLC_WAKE_CTRL) & mask) != mask); - - vlv_check_no_gt_access(dev_priv); - - err = vlv_force_gfx_clock(dev_priv, true); - if (err) - goto err1; - - err = vlv_allow_gt_wake(dev_priv, false); - if (err) - goto err2; - - vlv_save_gunit_s0ix_state(dev_priv); - - err = vlv_force_gfx_clock(dev_priv, false); - if (err) - goto err2; - - return 0; - -err2: - /* For safety always re-enable waking and disable gfx clock forcing */ - vlv_allow_gt_wake(dev_priv, true); -err1: - vlv_force_gfx_clock(dev_priv, false); - - return err; -} - -static int vlv_resume_prepare(struct drm_i915_private *dev_priv, - bool rpm_resume) -{ - int err; - int ret; - - /* - * If any of the steps fail just try to continue, that's the best we - * can do at this point. Return the first error code (which will also - * leave RPM permanently disabled). - */ - ret = vlv_force_gfx_clock(dev_priv, true); - - vlv_restore_gunit_s0ix_state(dev_priv); - - err = vlv_allow_gt_wake(dev_priv, true); - if (!ret) - ret = err; - - err = vlv_force_gfx_clock(dev_priv, false); - if (!ret) - ret = err; - - vlv_check_no_gt_access(dev_priv); - - if (rpm_resume) - intel_init_clock_gating(dev_priv); - - return ret; -} - static int intel_runtime_suspend(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - int ret = 0; + int ret; - if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev_priv))) + if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) return -ENODEV; - DRM_DEBUG_KMS("Suspending device\n"); + drm_dbg_kms(&dev_priv->drm, "Suspending device\n"); disable_rpm_wakeref_asserts(rpm); @@ -2517,11 +1594,10 @@ static int intel_runtime_suspend(struct device *kdev) intel_display_power_suspend(dev_priv); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - ret = vlv_suspend_complete(dev_priv); - + ret = vlv_suspend_complete(dev_priv); if (ret) { - DRM_ERROR("Runtime suspend failed, disabling it (%d)\n", ret); + drm_err(&dev_priv->drm, + "Runtime suspend failed, disabling it (%d)\n", ret); intel_uncore_runtime_resume(&dev_priv->uncore); intel_runtime_pm_enable_interrupts(dev_priv); @@ -2539,7 +1615,8 @@ static int intel_runtime_suspend(struct device *kdev) intel_runtime_pm_driver_release(rpm); if (intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore)) - DRM_ERROR("Unclaimed access detected prior to suspending\n"); + drm_err(&dev_priv->drm, + "Unclaimed access detected prior to suspending\n"); rpm->suspended = true; @@ -2571,7 +1648,7 @@ static int intel_runtime_suspend(struct device *kdev) if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) intel_hpd_poll_init(dev_priv); - DRM_DEBUG_KMS("Device suspended\n"); + drm_dbg_kms(&dev_priv->drm, "Device suspended\n"); return 0; } @@ -2579,25 +1656,25 @@ static int intel_runtime_resume(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - int ret = 0; + int ret; - if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev_priv))) + if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) return -ENODEV; - DRM_DEBUG_KMS("Resuming device\n"); + drm_dbg_kms(&dev_priv->drm, "Resuming device\n"); - WARN_ON_ONCE(atomic_read(&rpm->wakeref_count)); + drm_WARN_ON_ONCE(&dev_priv->drm, atomic_read(&rpm->wakeref_count)); disable_rpm_wakeref_asserts(rpm); intel_opregion_notify_adapter(dev_priv, PCI_D0); rpm->suspended = false; if (intel_uncore_unclaimed_mmio(&dev_priv->uncore)) - DRM_DEBUG_DRIVER("Unclaimed access during suspend, bios?\n"); + drm_dbg(&dev_priv->drm, + "Unclaimed access during suspend, bios?\n"); intel_display_power_resume(dev_priv); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - ret = vlv_resume_prepare(dev_priv, true); + ret = vlv_resume_prepare(dev_priv, true); intel_uncore_runtime_resume(&dev_priv->uncore); @@ -2623,9 +1700,10 @@ static int intel_runtime_resume(struct device *kdev) enable_rpm_wakeref_asserts(rpm); if (ret) - DRM_ERROR("Runtime resume failed, disabling it (%d)\n", ret); + drm_err(&dev_priv->drm, + "Runtime resume failed, disabling it (%d)\n", ret); else - DRM_DEBUG_KMS("Device resumed\n"); + drm_dbg_kms(&dev_priv->drm, "Device resumed\n"); return ret; } @@ -2673,12 +1751,12 @@ const struct dev_pm_ops i915_pm_ops = { static const struct file_operations i915_driver_fops = { .owner = THIS_MODULE, .open = drm_open, - .release = drm_release, + .release = drm_release_noglobal, .unlocked_ioctl = drm_ioctl, .mmap = i915_gem_mmap, .poll = drm_poll, .read = drm_read, - .compat_ioctl = i915_compat_ioctl, + .compat_ioctl = i915_ioc32_compat_ioctl, .llseek = noop_llseek, }; @@ -2770,9 +1848,6 @@ static struct drm_driver driver = { .gem_prime_export = i915_gem_prime_export, .gem_prime_import = i915_gem_prime_import, - .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos, - .get_scanout_position = i915_get_crtc_scanoutpos, - .dumb_create = i915_gem_dumb_create, .dumb_map_offset = i915_gem_dumb_mmap_offset, |