drm: expand gamma_set

Expand the crtc_gamma_set function to accept a starting offset. The
reason for this is to eventually use this function for setcolreg from
drm_fb_helper.c. The fbdev colormap function can start at any offset in
the color map.

Signed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 606eb93d7db0..692cc55eeab6 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -310,7 +310,7 @@ struct drm_crtc_funcs {
 
         /* Set gamma on the CRTC */
         void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
-                          uint32_t size);
+                          uint32_t start, uint32_t size);
         /* Object destroy routine */
         void (*destroy)(struct drm_crtc *crtc);