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drm/amdgpu: Skip the program of GRBM_CAM* in SRIOV

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KMD should not the program these registers,
so skip them in the SRIOV environment.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Peng Ju Zhou
2021-04-23 13:36:18 +08:00
committed by Alex Deucher
parent ea46eaf26c
commit e0972f8c21
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
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@@ -7114,6 +7114,9 @@ static void gfx_v10_0_setup_grbm_cam_remapping(struct amdgpu_device *adev)
{
uint32_t data;
if (amdgpu_sriov_vf(adev))
return;
/* initialize cam_index to 0
* index will auto-inc after each data writting */
WREG32_SOC15(GC, 0, mmGRBM_CAM_INDEX, 0);