From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Provide a small helper to convert the blob length in bytes
to the number of LUT entries.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
include/drm/drm_color_mgmt.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 03a59cbce621..7ddf4457f3c1 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -37,4 +37,9 @@ void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int gamma_size);
+static inline int drm_color_lut_size(const struct drm_property_blob *blob)
+{
+ return blob->length / sizeof(struct drm_color_lut);
+}
+
#endif
--
2.13.6
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