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drm/amdgpu: add reset_ras_error_count function for HDP

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HDP ras error counters are dirty ones after cold reboot
Read operation is needed to reset them to 0

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang
2020-03-02 16:16:58 +08:00
committed by Alex Deucher
parent 279375c331
commit 4a89ad9b39
3 changed files with 15 additions and 1 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -579,6 +579,7 @@ struct amdgpu_asic_funcs {
/* invalidate hdp read cache */
void (*invalidate_hdp)(struct amdgpu_device *adev,
struct amdgpu_ring *ring);
void (*reset_hdp_ras_error_count)(struct amdgpu_device *adev);
/* check if the asic needs a full reset of if soft reset will work */
bool (*need_full_reset)(struct amdgpu_device *adev);
/* initialize doorbell layout for specific asic*/