drm: Drop all the stub gamma_get, gamma_set, load_lut functions from drivers

Many of the drivers didn't implement palette/gamma handling, but were forced
to provide stubs for the hooks to avoid drm_fb_helper from oopsing. Now that
the hooks are optional, we can eliminate all the stubs.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 79b200aee18a..ef161ea982e6 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -253,10 +253,6 @@ static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
                         NULL, NULL);
 }
 
-static void omap_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static void vblank_cb(void *arg)
 {
         struct drm_crtc *crtc = arg;
@@ -366,7 +362,6 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
         .prepare = omap_crtc_prepare,
         .commit = omap_crtc_commit,
         .mode_set_base = omap_crtc_mode_set_base,
-        .load_lut = omap_crtc_load_lut,
 };
 
 const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc)