[PATCH] drm/amdgpu: During compute disable GFXOFF for Sienna_Cichlid

[Alex Deucher]

On Thu, Oct 22, 2020 at 3:41 PM Harish Kasiviswanathan
<Harish.Kasiviswanathan at amd.com> wrote:
>

Please include a patch description.  With that fixed:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan at amd.com>
> Change-Id: Ia9f8872b7654b99864bbef1afb9998d0cf39b7e5
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> index 90fb864ac7aa..450389218516 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> @@ -647,6 +647,13 @@ void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
>  {
>         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
>
> +       /* Temp workaround to fix the soft hang observed in certain compute
> +        * applications if GFXOFF is enabled.
> +        */
> +       if (adev->asic_type == CHIP_SIENNA_CICHLID) {
> +               pr_debug("GFXOFF is %s\n", idle ? "enabled" : "disabled");
> +               amdgpu_gfx_off_ctrl(adev, idle);
> +       }
>         amdgpu_dpm_switch_power_profile(adev,
>                                         PP_SMC_POWER_PROFILE_COMPUTE,
>                                         !idle);
> --
> 2.25.1
>
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