[PATCH] drm: Constify drm_color_lut_check()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

drm_color_lut_check() doens't modify the passed in blob so
let's make it const.

Also s/uint32_y/u32/ while at it.

Cc: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/drm_color_mgmt.c | 6 +++---
 include/drm/drm_color_mgmt.h     | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index 968ca7c91ad8..3c8826a91a03 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -474,10 +474,10 @@ EXPORT_SYMBOL(drm_plane_create_color_properties);
  *
  * Returns 0 on success, -EINVAL on failure.
  */
-int drm_color_lut_check(struct drm_property_blob *lut,
-			uint32_t tests)
+int drm_color_lut_check(const struct drm_property_blob *lut,
+			u32 tests)
 {
-	struct drm_color_lut *entry;
+	const struct drm_color_lut *entry;
 	int i;
 
 	if (!lut || !tests)
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 6affbda6d9cb..58d4b20b5b97 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -96,6 +96,6 @@ enum drm_color_lut_tests {
 	DRM_COLOR_LUT_NON_DECREASING = BIT(1),
 };
 
-int drm_color_lut_check(struct drm_property_blob *lut,
-			uint32_t tests);
+int drm_color_lut_check(const struct drm_property_blob *lut,
+			u32 tests);
 #endif
-- 
2.19.2