On Fri, May 14, 2021 at 3:27 AM Peng Ju Zhou <PengJu.Zhou@xxxxxxx> wrote:
>
> KMD should not the program these registers,
> so skip them in the SRIOV environment.
>
> Signed-off-by: Peng Ju Zhou <PengJu.Zhou@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> index 67db0197c882..952a2f0f2f4e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> @@ -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);
> --
> 2.17.1
>
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