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| author | Bokun Zhang <Bokun.Zhang@amd.com> | 2021-01-06 00:15:57 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-19 00:14:01 +0300 |
| commit | 376002f4b028504a07868f7ee96ad41e0f69ae09 (patch) | |
| tree | ffa1ce512447b3d19c9c4437e41723c07eb0e9c2 /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h | |
| parent | 942ab769c51d1a0447d080fcb91c1217f7c0c0c4 (diff) | |
| download | linux-376002f4b028504a07868f7ee96ad41e0f69ae09.tar.xz | |
drm/amd/amdgpu: Use IP discovery data to determine VCN enablement instead of MMSCH
In the past, we use MMSCH to determine whether a VCN is enabled or not.
This is not reliable since after a FLR, MMSCH may report junk data.
It is better to use IP discovery data.
Signed-off-by: Bokun Zhang <Bokun.Zhang@amd.com>
Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h index 02e340cd3a38..48e6b88cfdfe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h @@ -32,6 +32,9 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev); void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev); int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int number_instance, int *major, int *minor, int *revision); + +int amdgpu_discovery_get_vcn_version(struct amdgpu_device *adev, int vcn_instance, + int *major, int *minor, int *revision); int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev); #endif /* __AMDGPU_DISCOVERY__ */ |