[PATCH] drm/amdgpu/display: fix build with CONFIG_DRM_AMD_DC_DCN disabled

[Kazlauskas, Nicholas]

On 2021-01-08 11:33 a.m., Alex Deucher wrote:
> dc_allow_idle_optimizations() needs to be protected by
> CONFIG_DRM_AMD_DC_DCN.
> 
> Reported-by: Stephen Rothwell <sfr at canb.auug.org.au>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>

Regards,
Nicholas Kazlauskas

> ---
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 318eb12f8de7..2dc8493793e0 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -5490,10 +5490,12 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
>   	else
>   		dm->active_vblank_irq_count--;
>   
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
>   	dc_allow_idle_optimizations(
>   		adev->dm.dc, dm->active_vblank_irq_count == 0 ? true : false);
>   
>   	DRM_DEBUG_DRIVER("Allow idle optimizations (MALL): %d\n", dm->active_vblank_irq_count == 0);
> +#endif
>   
>   	mutex_unlock(&dm->dc_lock);
>   
>