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_v10_3.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_v10_3.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c index 1f5620cc3570..dac0d751d5af 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c @@ -537,6 +537,9 @@ static int hqd_destroy_v10_3(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; @@ -658,6 +661,33 @@ static void set_vm_context_page_table_base_v10_3(struct kgd_dev *kgd, uint32_t v adev->gfxhub.funcs->setup_vm_pt_regs(adev, vmid, page_table_base); } +static void program_trap_handler_settings_v10_3(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) | + (1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT)); + + /* + * 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); +} + #if 0 uint32_t enable_debug_trap_v10_3(struct kgd_dev *kgd, uint32_t trap_debug_wave_launch_mode, @@ -820,6 +850,7 @@ const struct kfd2kgd_calls gfx_v10_3_kfd2kgd = { .address_watch_get_offset = address_watch_get_offset_v10_3, .get_atc_vmid_pasid_mapping_info = NULL, .set_vm_context_page_table_base = set_vm_context_page_table_base_v10_3, + .program_trap_handler_settings = program_trap_handler_settings_v10_3, #if 0 .enable_debug_trap = enable_debug_trap_v10_3, .disable_debug_trap = disable_debug_trap_v10_3, |