diff options
| author | Mukul Joshi <mukul.joshi@amd.com> | 2021-08-09 22:52:50 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-12 00:19:54 +0300 |
| commit | b53ef0df1ba8001b17da2f972cbc1f6091d1774a (patch) | |
| tree | 6e4919044b73942f44ee954836b76027e39230a3 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | |
| parent | eff8cbf096a735116cf6fad94d795652d9e0ff41 (diff) | |
| download | linux-b53ef0df1ba8001b17da2f972cbc1f6091d1774a.tar.xz | |
drm/amdkfd: CWSR with software scheduler
This patch adds support to program trap handler settings
when loading driver with software scheduler (sched_policy=2).
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Suggested-by: Jay Cornwall <Jay.Cornwall@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c index ed3014fbb563..154244916727 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c @@ -42,7 +42,8 @@ enum hqd_dequeue_request_type { NO_ACTION = 0, DRAIN_PIPE, - RESET_WAVES + RESET_WAVES, + SAVE_WAVES }; static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd) @@ -566,6 +567,9 @@ int kgd_gfx_v9_hqd_destroy(struct kgd_dev *kgd, void *mqd, case KFD_PREEMPT_TYPE_WAVEFRONT_RESET: type = RESET_WAVES; break; + case KFD_PREEMPT_TYPE_WAVEFRONT_SAVE: + type = SAVE_WAVES; + break; default: type = DRAIN_PIPE; break; @@ -878,6 +882,32 @@ void kgd_gfx_v9_get_cu_occupancy(struct kgd_dev *kgd, int pasid, adev->gfx.cu_info.max_waves_per_simd; } +static void kgd_gfx_v9_program_trap_handler_settings(struct kgd_dev *kgd, + uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + + lock_srbm(kgd, 0, 0, 0, vmid); + + /* + * Program TBA registers + */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_LO), + lower_32_bits(tba_addr >> 8)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_HI), + upper_32_bits(tba_addr >> 8)); + + /* + * Program TMA registers + */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_LO), + lower_32_bits(tma_addr >> 8)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_HI), + upper_32_bits(tma_addr >> 8)); + + unlock_srbm(kgd); +} + const struct kfd2kgd_calls gfx_v9_kfd2kgd = { .program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_gfx_v9_set_pasid_vmid_mapping, @@ -899,4 +929,5 @@ const struct kfd2kgd_calls gfx_v9_kfd2kgd = { kgd_gfx_v9_get_atc_vmid_pasid_mapping_info, .set_vm_context_page_table_base = kgd_gfx_v9_set_vm_context_page_table_base, .get_cu_occupancy = kgd_gfx_v9_get_cu_occupancy, + .program_trap_handler_settings = kgd_gfx_v9_program_trap_handler_settings, }; |