[PATCH] drm/amdgpu/sriov : Don't resume RLCG for SRIOV guest

[Alex Deucher]

On Tue, Mar 17, 2020 at 12:55 PM shaoyunl <shaoyun.liu at amd.com> wrote:
>
> RLCG is enabled by host driver, no need to enable it in guest for none-PSP load path
>
> Change-Id: I2f313743bf3d492f06aaef07224da6eda3878a28
> Signed-off-by: shaoyunl <shaoyun.liu at amd.com>

Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> index d1cdcb4..e134bb2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> @@ -1940,6 +1940,11 @@ static int gfx_v10_0_rlc_resume(struct amdgpu_device *adev)
>                 if (!amdgpu_sriov_vf(adev)) /* enable RLC SRM */
>                         gfx_v10_0_rlc_enable_srm(adev);
>         } else {
> +               if (amdgpu_sriov_vf(adev)) {
> +                       gfx_v10_0_init_csb(adev);
> +                       return 0;
> +               }
> +
>                 adev->gfx.rlc.funcs->stop(adev);
>
>                 /* disable CG */
> --
> 2.7.4
>
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