drm/fb-helper: remove drm_fb_helper_save_lut_atomic

drm_fb_helper_save_lut_atomic is redundant since the .gamma_store is
now always kept up to date by drm_fb_helper_setcmap.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1499164632-5582-4-git-send-email-peda@axentia.se

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index bcf227f..721511d 100644 (file)
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -253,22 +253,6 @@ int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
 }
 EXPORT_SYMBOL(drm_fb_helper_remove_one_connector);
 
-static void drm_fb_helper_save_lut_atomic(struct drm_crtc *crtc, struct drm_fb_helper *helper)
-{
-       uint16_t *r_base, *g_base, *b_base;
-       int i;
-
-       if (helper->funcs->gamma_get == NULL)
-               return;
-
-       r_base = crtc->gamma_store;
-       g_base = r_base + crtc->gamma_size;
-       b_base = g_base + crtc->gamma_size;
-
-       for (i = 0; i < crtc->gamma_size; i++)
-               helper->funcs->gamma_get(crtc, &r_base[i], &g_base[i], &b_base[i], i);
-}
-
 static void drm_fb_helper_restore_lut_atomic(struct drm_crtc *crtc)
 {
        uint16_t *r_base, *g_base, *b_base;
@@ -309,7 +293,6 @@ int drm_fb_helper_debug_enter(struct fb_info *info)
                        if (drm_drv_uses_atomic_modeset(mode_set->crtc->dev))
                                continue;
 
-                       drm_fb_helper_save_lut_atomic(mode_set->crtc, helper);
                        funcs->mode_set_base_atomic(mode_set->crtc,
                                                    mode_set->fb,
                                                    mode_set->x,