From: Peter Rosin <peda@axentia.se>
To: linux-kernel@vger.kernel.org
Cc: Peter Rosin <peda@axentia.se>, Daniel Vetter <daniel.vetter@intel.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Sean Paul <seanpaul@chromium.org>, David Airlie <airlied@linux.ie>,
        dri-devel@lists.freedesktop.org,
        Boris Brezillon <boris.brezillon@free-electrons.com>
Subject: [PATCH v3 03/16] drm/fb-helper: remove drm_fb_helper_save_lut_atomic
Date: Tue,  4 Jul 2017 12:36:59 +0200
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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>
---
 drivers/gpu/drm/drm_fb_helper.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 41fd9e0..b75b1f2 100644
--- 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,
-- 
2.1.4