[PATCH 04/10] drm/amdgpu_dm/crc: Implement verify_crc_source callback

[Maarten Lankhorst]

Op 02-07-18 om 13:07 schreef Mahesh Kumar:
> This patch implements "verify_crc_source" callback function for
> AMD drm driver.
>
> Signed-off-by: Mahesh Kumar <mahesh1.kumar at intel.com>
> Cc: dri-devel at lists.freedesktop.org
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c     |  1 +
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h     |  4 ++++
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 16 ++++++++++++++++
>  3 files changed, 21 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 66bd3cc3e387..dd97cbca0527 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2563,6 +2563,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
>  	.atomic_duplicate_state = dm_crtc_duplicate_state,
>  	.atomic_destroy_state = dm_crtc_destroy_state,
>  	.set_crc_source = amdgpu_dm_crtc_set_crc_source,
> +	.verify_crc_source = amdgpu_dm_crtc_verify_crc_source,
>  	.enable_vblank = dm_enable_vblank,
>  	.disable_vblank = dm_disable_vblank,
>  };
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> index a29dc35954c9..e43ed064dc46 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> @@ -260,9 +260,13 @@ amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector);
>  #ifdef CONFIG_DEBUG_FS
>  int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name,
>  				  size_t *values_cnt);
> +int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc,
> +				     const char *src_name,
> +				     size_t *values_cnt);
>  void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc);
>  #else
>  #define amdgpu_dm_crtc_set_crc_source NULL
> +#define amdgpu_dm_crtc_verify_crc_source NULL
>  #define amdgpu_dm_crtc_handle_crc_irq(x)
>  #endif
>  
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
> index 52f2c01349e3..dfcca594d52a 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
> @@ -46,6 +46,22 @@ static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source)
>  	return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID;
>  }
>  
> +int
> +amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name,
> +				 size_t *values_cnt)
> +{
> +	enum amdgpu_dm_pipe_crc_source source = dm_parse_crc_source(src_name);
> +
> +	if (source < 0) {
> +		DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n",
> +				 src_name, crtc->index);
> +		return -EINVAL;
> +	}
> +
> +	*values_cnt = 3;
> +	return 0;
> +}
> +
>  int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name,
>  			   size_t *values_cnt)
>  {

Ack for merging this and 8/10 through drm-misc?