diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 658 |
1 files changed, 382 insertions, 276 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c index 133d06671e46..e68c0fa8d751 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c @@ -20,14 +20,8 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#include <linux/module.h> -#include <linux/fdtable.h> -#include <linux/uaccess.h> -#include <linux/firmware.h> -#include <drm/drmP.h> #include "amdgpu.h" #include "amdgpu_amdkfd.h" -#include "amdgpu_ucode.h" #include "gfx_v8_0.h" #include "gca/gfx_8_0_sh_mask.h" #include "gca/gfx_8_0_d.h" @@ -39,148 +33,60 @@ #include "vi_structs.h" #include "vid.h" -struct cik_sdma_rlc_registers; - -/* - * Register access functions - */ - -static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, - uint32_t sh_mem_config, - uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit, - uint32_t sh_mem_bases); -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, - unsigned int vmid); -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr); -static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); -static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, - uint32_t queue_id, uint32_t __user *wptr); -static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd); -static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, - uint32_t pipe_id, uint32_t queue_id); -static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd); -static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type, - unsigned int utimeout, uint32_t pipe_id, - uint32_t queue_id); -static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, - unsigned int utimeout); -static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid); -static int kgd_address_watch_disable(struct kgd_dev *kgd); -static int kgd_address_watch_execute(struct kgd_dev *kgd, - unsigned int watch_point_id, - uint32_t cntl_val, - uint32_t addr_hi, - uint32_t addr_lo); -static int kgd_wave_control_execute(struct kgd_dev *kgd, - uint32_t gfx_index_val, - uint32_t sq_cmd); -static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, - unsigned int watch_point_id, - unsigned int reg_offset); - -static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, - uint8_t vmid); -static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, - uint8_t vmid); -static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid); -static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type); - -static const struct kfd2kgd_calls kfd2kgd = { - .init_gtt_mem_allocation = alloc_gtt_mem, - .free_gtt_mem = free_gtt_mem, - .get_vmem_size = get_vmem_size, - .get_gpu_clock_counter = get_gpu_clock_counter, - .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz, - .program_sh_mem_settings = kgd_program_sh_mem_settings, - .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, - .init_pipeline = kgd_init_pipeline, - .init_interrupts = kgd_init_interrupts, - .hqd_load = kgd_hqd_load, - .hqd_sdma_load = kgd_hqd_sdma_load, - .hqd_is_occupied = kgd_hqd_is_occupied, - .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, - .hqd_destroy = kgd_hqd_destroy, - .hqd_sdma_destroy = kgd_hqd_sdma_destroy, - .address_watch_disable = kgd_address_watch_disable, - .address_watch_execute = kgd_address_watch_execute, - .wave_control_execute = kgd_wave_control_execute, - .address_watch_get_offset = kgd_address_watch_get_offset, - .get_atc_vmid_pasid_mapping_pasid = - get_atc_vmid_pasid_mapping_pasid, - .get_atc_vmid_pasid_mapping_valid = - get_atc_vmid_pasid_mapping_valid, - .write_vmid_invalidate_request = write_vmid_invalidate_request, - .get_fw_version = get_fw_version +enum hqd_dequeue_request_type { + NO_ACTION = 0, + DRAIN_PIPE, + RESET_WAVES }; -struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void) -{ - return (struct kfd2kgd_calls *)&kfd2kgd; -} - -static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd) -{ - return (struct amdgpu_device *)kgd; -} - -static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe, +static void lock_srbm(struct amdgpu_device *adev, uint32_t mec, uint32_t pipe, uint32_t queue, uint32_t vmid) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue); mutex_lock(&adev->srbm_mutex); WREG32(mmSRBM_GFX_CNTL, value); } -static void unlock_srbm(struct kgd_dev *kgd) +static void unlock_srbm(struct amdgpu_device *adev) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); - WREG32(mmSRBM_GFX_CNTL, 0); mutex_unlock(&adev->srbm_mutex); } -static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id, +static void acquire_queue(struct amdgpu_device *adev, uint32_t pipe_id, uint32_t queue_id) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); - - uint32_t mec = (++pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; + uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); - lock_srbm(kgd, mec, pipe, queue_id, 0); + lock_srbm(adev, mec, pipe, queue_id, 0); } -static void release_queue(struct kgd_dev *kgd) +static void release_queue(struct amdgpu_device *adev) { - unlock_srbm(kgd); + unlock_srbm(adev); } -static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, +static void kgd_program_sh_mem_settings(struct amdgpu_device *adev, uint32_t vmid, uint32_t sh_mem_config, uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit, - uint32_t sh_mem_bases) + uint32_t sh_mem_bases, uint32_t inst) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); - - lock_srbm(kgd, 0, 0, 0, vmid); + lock_srbm(adev, 0, 0, 0, vmid); WREG32(mmSH_MEM_CONFIG, sh_mem_config); WREG32(mmSH_MEM_APE1_BASE, sh_mem_ape1_base); WREG32(mmSH_MEM_APE1_LIMIT, sh_mem_ape1_limit); WREG32(mmSH_MEM_BASES, sh_mem_bases); - unlock_srbm(kgd); + unlock_srbm(adev); } -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, - unsigned int vmid) +static int kgd_set_pasid_vmid_mapping(struct amdgpu_device *adev, u32 pasid, + unsigned int vmid, uint32_t inst) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); - /* * We have to assume that there is no outstanding mapping. * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because @@ -203,34 +109,36 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, return 0; } -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr) +static int kgd_init_interrupts(struct amdgpu_device *adev, uint32_t pipe_id, + uint32_t inst) { - /* amdgpu owns the per-pipe state */ - return 0; -} - -static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) -{ - struct amdgpu_device *adev = get_amdgpu_device(kgd); uint32_t mec; uint32_t pipe; - mec = (++pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; + mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); - lock_srbm(kgd, mec, pipe, 0, 0); + lock_srbm(adev, mec, pipe, 0, 0); - WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK); + WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK | + CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK); - unlock_srbm(kgd); + unlock_srbm(adev); return 0; } -static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m) +static inline uint32_t get_sdma_rlc_reg_offset(struct vi_sdma_mqd *m) { - return 0; + uint32_t retval; + + retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET + + m->sdma_queue_id * KFD_VI_SDMA_QUEUE_OFFSET; + + pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n", + m->sdma_engine_id, m->sdma_queue_id, retval); + + return retval; } static inline struct vi_mqd *get_mqd(void *mqd) @@ -238,45 +146,218 @@ static inline struct vi_mqd *get_mqd(void *mqd) return (struct vi_mqd *)mqd; } -static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd) +static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd) { - return (struct cik_sdma_rlc_registers *)mqd; + return (struct vi_sdma_mqd *)mqd; } -static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, - uint32_t queue_id, uint32_t __user *wptr) +static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + uint32_t __user *wptr, uint32_t wptr_shift, + uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst) { struct vi_mqd *m; - uint32_t shadow_wptr, valid_wptr; - struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint32_t *mqd_hqd; + uint32_t reg, wptr_val, data; + bool valid_wptr = false; m = get_mqd(mqd); - valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr)); - if (valid_wptr == 0) - m->cp_hqd_pq_wptr = shadow_wptr; + acquire_queue(adev, pipe_id, queue_id); + + /* HIQ is set during driver init period with vmid set to 0*/ + if (m->cp_hqd_vmid == 0) { + uint32_t value, mec, pipe; + + mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; + pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); + + pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n", + mec, pipe, queue_id); + value = RREG32(mmRLC_CP_SCHEDULERS); + value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1, + ((mec << 5) | (pipe << 3) | queue_id | 0x80)); + WREG32(mmRLC_CP_SCHEDULERS, value); + } + + /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */ + mqd_hqd = &m->cp_mqd_base_addr_lo; + + for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_CONTROL; reg++) + WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]); + + /* Tonga errata: EOP RPTR/WPTR should be left unmodified. + * This is safe since EOP RPTR==WPTR for any inactive HQD + * on ASICs that do not support context-save. + * EOP writes/reads can start anywhere in the ring. + */ + if (adev->asic_type != CHIP_TONGA) { + WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr); + WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr); + WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem); + } + + for (reg = mmCP_HQD_EOP_EVENTS; reg <= mmCP_HQD_ERROR; reg++) + WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]); + + /* Copy userspace write pointer value to register. + * Activate doorbell logic to monitor subsequent changes. + */ + data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control, + CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1); + WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, data); + + /* read_user_ptr may take the mm->mmap_lock. + * release srbm_mutex to avoid circular dependency between + * srbm_mutex->mmap_lock->reservation_ww_class_mutex->srbm_mutex. + */ + release_queue(adev); + valid_wptr = read_user_wptr(mm, wptr, wptr_val); + acquire_queue(adev, pipe_id, queue_id); + if (valid_wptr) + WREG32(mmCP_HQD_PQ_WPTR, (wptr_val << wptr_shift) & wptr_mask); + + data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1); + WREG32(mmCP_HQD_ACTIVE, data); + + release_queue(adev); + + return 0; +} + +static int kgd_hqd_dump(struct amdgpu_device *adev, + uint32_t pipe_id, uint32_t queue_id, + uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst) +{ + uint32_t i = 0, reg; +#define HQD_N_REGS (54+4) +#define DUMP_REG(addr) do { \ + if (WARN_ON_ONCE(i >= HQD_N_REGS)) \ + break; \ + (*dump)[i][0] = (addr) << 2; \ + (*dump)[i++][1] = RREG32(addr); \ + } while (0) + + *dump = kmalloc_array(HQD_N_REGS, sizeof(**dump), GFP_KERNEL); + if (*dump == NULL) + return -ENOMEM; - acquire_queue(kgd, pipe_id, queue_id); - gfx_v8_0_mqd_commit(adev, mqd); - release_queue(kgd); + acquire_queue(adev, pipe_id, queue_id); + + DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE0); + DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE1); + DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE2); + DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE3); + + for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_DONES; reg++) + DUMP_REG(reg); + + release_queue(adev); + + WARN_ON_ONCE(i != HQD_N_REGS); + *n_regs = i; return 0; } -static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd) +static int kgd_hqd_sdma_load(struct amdgpu_device *adev, void *mqd, + uint32_t __user *wptr, struct mm_struct *mm) { + struct vi_sdma_mqd *m; + unsigned long end_jiffies; + uint32_t sdma_rlc_reg_offset; + uint32_t data; + + m = get_sdma_mqd(mqd); + sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, + m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)); + + end_jiffies = msecs_to_jiffies(2000) + jiffies; + while (true) { + data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); + if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) + break; + if (time_after(jiffies, end_jiffies)) { + pr_err("SDMA RLC not idle in %s\n", __func__); + return -ETIME; + } + usleep_range(500, 1000); + } + + data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL, + ENABLE, 1); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, + m->sdmax_rlcx_rb_rptr); + + if (read_user_wptr(mm, wptr, data)) + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, data); + else + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, + m->sdmax_rlcx_rb_rptr); + + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_VIRTUAL_ADDR, + m->sdmax_rlcx_virtual_addr); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI, + m->sdmax_rlcx_rb_base_hi); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO, + m->sdmax_rlcx_rb_rptr_addr_lo); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI, + m->sdmax_rlcx_rb_rptr_addr_hi); + + data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL, + RB_ENABLE, 1); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data); + + return 0; +} + +static int kgd_hqd_sdma_dump(struct amdgpu_device *adev, + uint32_t engine_id, uint32_t queue_id, + uint32_t (**dump)[2], uint32_t *n_regs) +{ + uint32_t sdma_offset = engine_id * SDMA1_REGISTER_OFFSET + + queue_id * KFD_VI_SDMA_QUEUE_OFFSET; + uint32_t i = 0, reg; +#undef HQD_N_REGS +#define HQD_N_REGS (19+4+2+3+7) + + *dump = kmalloc_array(HQD_N_REGS, sizeof(**dump), GFP_KERNEL); + if (*dump == NULL) + return -ENOMEM; + + for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++) + DUMP_REG(sdma_offset + reg); + for (reg = mmSDMA0_RLC0_VIRTUAL_ADDR; reg <= mmSDMA0_RLC0_WATERMARK; + reg++) + DUMP_REG(sdma_offset + reg); + for (reg = mmSDMA0_RLC0_CSA_ADDR_LO; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; + reg++) + DUMP_REG(sdma_offset + reg); + for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; reg <= mmSDMA0_RLC0_DUMMY_REG; + reg++) + DUMP_REG(sdma_offset + reg); + for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; reg <= mmSDMA0_RLC0_MIDCMD_CNTL; + reg++) + DUMP_REG(sdma_offset + reg); + + WARN_ON_ONCE(i != HQD_N_REGS); + *n_regs = i; + return 0; } -static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, - uint32_t pipe_id, uint32_t queue_id) +static bool kgd_hqd_is_occupied(struct amdgpu_device *adev, + uint64_t queue_address, uint32_t pipe_id, + uint32_t queue_id, uint32_t inst) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); uint32_t act; bool retval = false; uint32_t low, high; - acquire_queue(kgd, pipe_id, queue_id); + acquire_queue(adev, pipe_id, queue_id); act = RREG32(mmCP_HQD_ACTIVE); if (act) { low = lower_32_bits(queue_address >> 8); @@ -286,21 +367,20 @@ static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, high == RREG32(mmCP_HQD_PQ_BASE_HI)) retval = true; } - release_queue(kgd); + release_queue(adev); return retval; } -static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd) +static bool kgd_hqd_sdma_is_occupied(struct amdgpu_device *adev, void *mqd) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); - struct cik_sdma_rlc_registers *m; - uint32_t sdma_base_addr; + struct vi_sdma_mqd *m; + uint32_t sdma_rlc_reg_offset; uint32_t sdma_rlc_rb_cntl; m = get_sdma_mqd(mqd); - sdma_base_addr = get_sdma_base_addr(m); + sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m); - sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL); + sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK) return true; @@ -308,115 +388,161 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd) return false; } -static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type, +static int kgd_hqd_destroy(struct amdgpu_device *adev, void *mqd, + enum kfd_preempt_type reset_type, unsigned int utimeout, uint32_t pipe_id, - uint32_t queue_id) + uint32_t queue_id, uint32_t inst) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); uint32_t temp; - int timeout = utimeout; + enum hqd_dequeue_request_type type; + unsigned long flags, end_jiffies; + int retry; + struct vi_mqd *m = get_mqd(mqd); + + if (amdgpu_in_reset(adev)) + return -EIO; + + acquire_queue(adev, pipe_id, queue_id); + + if (m->cp_hqd_vmid == 0) + WREG32_FIELD(RLC_CP_SCHEDULERS, scheduler1, 0); + + switch (reset_type) { + case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN: + type = DRAIN_PIPE; + break; + case KFD_PREEMPT_TYPE_WAVEFRONT_RESET: + type = RESET_WAVES; + break; + default: + type = DRAIN_PIPE; + break; + } + + /* Workaround: If IQ timer is active and the wait time is close to or + * equal to 0, dequeueing is not safe. Wait until either the wait time + * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is + * cleared before continuing. Also, ensure wait times are set to at + * least 0x3. + */ + local_irq_save(flags); + preempt_disable(); + retry = 5000; /* wait for 500 usecs at maximum */ + while (true) { + temp = RREG32(mmCP_HQD_IQ_TIMER); + if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) { + pr_debug("HW is processing IQ\n"); + goto loop; + } + if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) { + if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE) + == 3) /* SEM-rearm is safe */ + break; + /* Wait time 3 is safe for CP, but our MMIO read/write + * time is close to 1 microsecond, so check for 10 to + * leave more buffer room + */ + if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME) + >= 10) + break; + pr_debug("IQ timer is active\n"); + } else + break; +loop: + if (!retry) { + pr_err("CP HQD IQ timer status time out\n"); + break; + } + ndelay(100); + --retry; + } + retry = 1000; + while (true) { + temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST); + if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK)) + break; + pr_debug("Dequeue request is pending\n"); - acquire_queue(kgd, pipe_id, queue_id); + if (!retry) { + pr_err("CP HQD dequeue request time out\n"); + break; + } + ndelay(100); + --retry; + } + local_irq_restore(flags); + preempt_enable(); - WREG32(mmCP_HQD_DEQUEUE_REQUEST, reset_type); + WREG32(mmCP_HQD_DEQUEUE_REQUEST, type); + end_jiffies = (utimeout * HZ / 1000) + jiffies; while (true) { temp = RREG32(mmCP_HQD_ACTIVE); - if (temp & CP_HQD_ACTIVE__ACTIVE_MASK) + if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK)) break; - if (timeout <= 0) { - pr_err("kfd: cp queue preemption time out.\n"); - release_queue(kgd); + if (time_after(jiffies, end_jiffies)) { + pr_err("cp queue preemption time out.\n"); + release_queue(adev); return -ETIME; } - msleep(20); - timeout -= 20; + usleep_range(500, 1000); } - release_queue(kgd); + release_queue(adev); return 0; } -static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, +static int kgd_hqd_sdma_destroy(struct amdgpu_device *adev, void *mqd, unsigned int utimeout) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); - struct cik_sdma_rlc_registers *m; - uint32_t sdma_base_addr; + struct vi_sdma_mqd *m; + uint32_t sdma_rlc_reg_offset; uint32_t temp; - int timeout = utimeout; + unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies; m = get_sdma_mqd(mqd); - sdma_base_addr = get_sdma_base_addr(m); + sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m); - temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL); + temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK; - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp); while (true) { - temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS); - if (temp & SDMA0_STATUS_REG__RB_CMD_IDLE__SHIFT) + temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); + if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) break; - if (timeout <= 0) + if (time_after(jiffies, end_jiffies)) { + pr_err("SDMA RLC not idle in %s\n", __func__); return -ETIME; - msleep(20); - timeout -= 20; + } + usleep_range(500, 1000); } - WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0); + WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, + RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) | + SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK); - return 0; -} + m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR); -static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, - uint8_t vmid) -{ - uint32_t reg; - struct amdgpu_device *adev = (struct amdgpu_device *) kgd; - - reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); - return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK; -} - -static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, - uint8_t vmid) -{ - uint32_t reg; - struct amdgpu_device *adev = (struct amdgpu_device *) kgd; - - reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); - return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK; + return 0; } -static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid) +static bool get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev, + uint8_t vmid, uint16_t *p_pasid) { - struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + uint32_t value; - WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); -} + value = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); + *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; -static int kgd_address_watch_disable(struct kgd_dev *kgd) -{ - return 0; + return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); } -static int kgd_address_watch_execute(struct kgd_dev *kgd, - unsigned int watch_point_id, - uint32_t cntl_val, - uint32_t addr_hi, - uint32_t addr_lo) -{ - return 0; -} - -static int kgd_wave_control_execute(struct kgd_dev *kgd, +static int kgd_wave_control_execute(struct amdgpu_device *adev, uint32_t gfx_index_val, - uint32_t sq_cmd) + uint32_t sq_cmd, uint32_t inst) { - struct amdgpu_device *adev = get_amdgpu_device(kgd); uint32_t data = 0; mutex_lock(&adev->grbm_idx_mutex); @@ -437,68 +563,48 @@ static int kgd_wave_control_execute(struct kgd_dev *kgd, return 0; } -static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, - unsigned int watch_point_id, - unsigned int reg_offset) +static void set_scratch_backing_va(struct amdgpu_device *adev, + uint64_t va, uint32_t vmid) { - return 0; + lock_srbm(adev, 0, 0, 0, vmid); + WREG32(mmSH_HIDDEN_PRIVATE_BASE_VMID, va); + unlock_srbm(adev); } -static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type) +static void set_vm_context_page_table_base(struct amdgpu_device *adev, + uint32_t vmid, uint64_t page_table_base) { - struct amdgpu_device *adev = (struct amdgpu_device *) kgd; - const union amdgpu_firmware_header *hdr; - - BUG_ON(kgd == NULL); - - switch (type) { - case KGD_ENGINE_PFP: - hdr = (const union amdgpu_firmware_header *) - adev->gfx.pfp_fw->data; - break; - - case KGD_ENGINE_ME: - hdr = (const union amdgpu_firmware_header *) - adev->gfx.me_fw->data; - break; - - case KGD_ENGINE_CE: - hdr = (const union amdgpu_firmware_header *) - adev->gfx.ce_fw->data; - break; - - case KGD_ENGINE_MEC1: - hdr = (const union amdgpu_firmware_header *) - adev->gfx.mec_fw->data; - break; - - case KGD_ENGINE_MEC2: - hdr = (const union amdgpu_firmware_header *) - adev->gfx.mec2_fw->data; - break; - - case KGD_ENGINE_RLC: - hdr = (const union amdgpu_firmware_header *) - adev->gfx.rlc_fw->data; - break; - - case KGD_ENGINE_SDMA1: - hdr = (const union amdgpu_firmware_header *) - adev->sdma.instance[0].fw->data; - break; - - case KGD_ENGINE_SDMA2: - hdr = (const union amdgpu_firmware_header *) - adev->sdma.instance[1].fw->data; - break; - - default: - return 0; + if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { + pr_err("trying to set page table base for wrong VMID\n"); + return; } + WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8, + lower_32_bits(page_table_base)); +} - if (hdr == NULL) - return 0; +static uint32_t kgd_hqd_sdma_get_doorbell(struct amdgpu_device *adev, + int engine, int queue) - /* Only 12 bit in use*/ - return hdr->common.ucode_version; +{ + return 0; } + +const struct kfd2kgd_calls gfx_v8_kfd2kgd = { + .program_sh_mem_settings = kgd_program_sh_mem_settings, + .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, + .init_interrupts = kgd_init_interrupts, + .hqd_load = kgd_hqd_load, + .hqd_sdma_load = kgd_hqd_sdma_load, + .hqd_dump = kgd_hqd_dump, + .hqd_sdma_dump = kgd_hqd_sdma_dump, + .hqd_is_occupied = kgd_hqd_is_occupied, + .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, + .hqd_destroy = kgd_hqd_destroy, + .hqd_sdma_destroy = kgd_hqd_sdma_destroy, + .wave_control_execute = kgd_wave_control_execute, + .get_atc_vmid_pasid_mapping_info = + get_atc_vmid_pasid_mapping_info, + .set_scratch_backing_va = set_scratch_backing_va, + .set_vm_context_page_table_base = set_vm_context_page_table_base, + .hqd_sdma_get_doorbell = kgd_hqd_sdma_get_doorbell, +}; |