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| author | Tao Zhou <tao.zhou1@amd.com> | 2022-03-15 12:48:18 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-25 19:40:26 +0300 |
| commit | 6475ae2b742876aa9b2a0aff7ba60f5c81917614 (patch) | |
| tree | fb63e12607d896ce6df8da830f44898bd85217b6 /drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c | |
| parent | 9d8a8d78d95261241fdc009ff5b44cfa9f78c8e7 (diff) | |
| download | linux-6475ae2b742876aa9b2a0aff7ba60f5c81917614.tar.xz | |
drm/amdgpu: add UTCL2 RAS poison query for Aldebaran (v2)
Add help functions to query and reset RAS UTCL2 poison status.
v2: implement it on amdgpu side and kfd only calls it.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c index 7653ebd0e67b..3a797424579c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c @@ -1930,6 +1930,19 @@ static void gfx_v9_4_2_reset_sq_timeout_status(struct amdgpu_device *adev) mutex_unlock(&adev->grbm_idx_mutex); } +static bool gfx_v9_4_2_query_uctl2_poison_status(struct amdgpu_device *adev) +{ + u32 status = 0; + struct amdgpu_vmhub *hub; + + hub = &adev->vmhub[AMDGPU_GFXHUB_0]; + status = RREG32(hub->vm_l2_pro_fault_status); + /* reset page fault status */ + WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); + + return REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, FED); +} + struct amdgpu_ras_block_hw_ops gfx_v9_4_2_ras_ops = { .ras_error_inject = &gfx_v9_4_2_ras_error_inject, .query_ras_error_count = &gfx_v9_4_2_query_ras_error_count, @@ -1943,4 +1956,5 @@ struct amdgpu_gfx_ras gfx_v9_4_2_ras = { .hw_ops = &gfx_v9_4_2_ras_ops, }, .enable_watchdog_timer = &gfx_v9_4_2_enable_watchdog_timer, + .query_utcl2_poison_status = gfx_v9_4_2_query_uctl2_poison_status, }; |