RE: [PATCH] drm/amdgpu/vangogh: don't check for dpm in is_dpm_running when in suspend

[Quan, Evan]

[AMD Public Use]

Acked-by: Evan Quan <evan.q...@amd.com>

> -----Original Message-----
> From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Alex
> Deucher
> Sent: Saturday, March 27, 2021 4:58 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander <alexander.deuc...@amd.com>
> Subject: [PATCH] drm/amdgpu/vangogh: don't check for dpm in
> is_dpm_running when in suspend
> 
> Do the same thing we do for Renoir.  We can check, but since
> the sbios has started DPM, it will always return true which
> causes the driver to skip some of the SMU init when it shouldn't.
> 
> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
> ---
>  drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> index 2f502fec67d5..ed11e0ab8299 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> @@ -384,10 +384,15 @@ static int vangogh_dpm_set_jpeg_enable(struct
> smu_context *smu, bool enable)
> 
>  static bool vangogh_is_dpm_running(struct smu_context *smu)
>  {
> +     struct amdgpu_device *adev = smu->adev;
>       int ret = 0;
>       uint32_t feature_mask[2];
>       uint64_t feature_enabled;
> 
> +     /* we need to re-init after suspend so return false */
> +     if (adev->in_suspend)
> +             return false;
> +
>       ret = smu_cmn_get_enabled_32_bits_mask(smu, feature_mask, 2);
> 
>       if (ret)
> --
> 2.30.2
> 
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