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authorVille Syrjälä <ville.syrjala@linux.intel.com>2012-04-05 14:35:17 -0400
committerDave Airlie <airlied@redhat.com>2012-04-20 07:38:00 -0400
commit01b68b0483627631c738dcfca0dee7e22892c420 (patch)
tree9eead4bda1b134612d0c564a3a6c2ad690291560 /include/drm/drm_crtc.h
parent5a86bd552407bd6b3e0df4e88636797484d06430 (diff)
drm: Add drm_format_{horz, vert}_chroma_subsampling() utility functions
These functions return the chroma subsampling factors for the specified pixel format. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/drm_crtc.h')
-rw-r--r--include/drm/drm_crtc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 2d128eb4293f..2d63a02571ff 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1028,5 +1028,7 @@ extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
1028 int *bpp); 1028 int *bpp);
1029extern int drm_format_num_planes(uint32_t format); 1029extern int drm_format_num_planes(uint32_t format);
1030extern int drm_format_plane_cpp(uint32_t format, int plane); 1030extern int drm_format_plane_cpp(uint32_t format, int plane);
1031extern int drm_format_horz_chroma_subsampling(uint32_t format);
1032extern int drm_format_vert_chroma_subsampling(uint32_t format);
1031 1033
1032#endif /* __DRM_CRTC_H__ */ 1034#endif /* __DRM_CRTC_H__ */