[PATCH] drm/amdgpu/display: fix build when CONFIG_DEBUG_FS is not set

[Harry Wentland]

On 2022-06-15 17:00, Alex Deucher wrote:
> amdgpu_dm_crtc_late_register is only used when CONFIG_DEBUG_FS
> so make it dependent on that.
> 
> Fixes: 4cd79f614b50 ("drm/amd/display: Move connector debugfs to drm")
> Cc: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> Cc: Harry Wentland <harry.wentland at amd.com>
> Cc: Arun R Murthy <arun.r.murthy at intel.com>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Reported-by: Randy Dunlap <rdunlap at infradead.org>
> Reported-by: Nathan Chancellor <nathan at kernel.org>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> Tested-by: Nathan Chancellor <nathan at kernel.org> # build
> Link: https://lists.freedesktop.org/archives/dri-devel/2022-June/359496.html

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++
>  1 file changed, 4 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 c9004f7e700d..33cd7a3d4ecb 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -6594,12 +6594,14 @@ dm_crtc_duplicate_state(struct drm_crtc *crtc)
>  	return &state->base;
>  }
>  
> +#ifdef CONFIG_DEBUG_FS
>  static int amdgpu_dm_crtc_late_register(struct drm_crtc *crtc)
>  {
>  	crtc_debugfs_init(crtc);
>  
>  	return 0;
>  }
> +#endif
>  
>  static inline int dm_set_vupdate_irq(struct drm_crtc *crtc, bool enable)
>  {
> @@ -6693,7 +6695,9 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
>  	.enable_vblank = dm_enable_vblank,
>  	.disable_vblank = dm_disable_vblank,
>  	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
> +#if defined(CONFIG_DEBUG_FS)
>  	.late_register = amdgpu_dm_crtc_late_register,
> +#endif
>  };
>  
>  static enum drm_connector_status