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/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 5dd3c7d031d5..4de3fb4246fc 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -384,10 +384,6 @@ static int tilcdc_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
         return 0;
 }
 
-static void tilcdc_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static const struct drm_crtc_funcs tilcdc_crtc_funcs = {
                 .destroy        = tilcdc_crtc_destroy,
                 .set_config     = drm_crtc_helper_set_config,
@@ -401,7 +397,6 @@ static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = {
                 .commit         = tilcdc_crtc_commit,
                 .mode_set       = tilcdc_crtc_mode_set,
                 .mode_set_base  = tilcdc_crtc_mode_set_base,
-                .load_lut       = tilcdc_crtc_load_lut,
 };
 
 int tilcdc_crtc_max_width(struct drm_crtc *crtc)