This reverts commit ff773714dd30b802c336064109c535d8b2774e2f.

A generic solution is needed to save and retore the LUT information.

CC: Jesse Barnes <jbarnes at virtuousgeek.org>
CC: David Airlie <airlied at linux.ie>
CC: dri-devel at lists.freedesktop.org
Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
---
 drivers/gpu/drm/radeon/radeon_display.c     |   32 ---------------------------
 drivers/gpu/drm/radeon/radeon_legacy_crtc.c |    5 ----
 drivers/gpu/drm/radeon/radeon_mode.h        |    3 --
 3 files changed, 0 insertions(+), 40 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_display.c 
b/drivers/gpu/drm/radeon/radeon_display.c
index 6c6846c..fd70b84 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -138,38 +138,6 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc)
                legacy_crtc_load_lut(crtc);
 }

-void radeon_crtc_save_lut(struct drm_crtc *crtc)
-{
-       struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
-       int i;
-
-       if (!crtc->enabled)
-               return;
-
-       for (i = 0; i < 256; i++) {
-               radeon_crtc->lut_r_copy[i] = radeon_crtc->lut_r[i];
-               radeon_crtc->lut_g_copy[i] = radeon_crtc->lut_g[i];
-               radeon_crtc->lut_b_copy[i] = radeon_crtc->lut_b[i];
-       }
-}
-
-void radeon_crtc_restore_lut(struct drm_crtc *crtc)
-{
-       struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
-       int i;
-
-       if (!crtc->enabled)
-               return;
-
-       for (i = 0; i < 256; i++) {
-               radeon_crtc->lut_r[i] = radeon_crtc->lut_r_copy[i];
-               radeon_crtc->lut_g[i] = radeon_crtc->lut_g_copy[i];
-               radeon_crtc->lut_b[i] = radeon_crtc->lut_b_copy[i];
-       }
-
-       radeon_crtc_load_lut(crtc);
-}
-
 /** Sets the color ramps on behalf of fbcon */
 void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
                              u16 blue, int regno)
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c 
b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index c0bf8b7..590f6a1 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -355,11 +355,6 @@ int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
                                struct drm_framebuffer *fb,
                                int x, int y, int enter)
 {
-       if (enter)
-               radeon_crtc_save_lut(crtc);
-       else
-               radeon_crtc_restore_lut(crtc);
-
        return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
 }

diff --git a/drivers/gpu/drm/radeon/radeon_mode.h 
b/drivers/gpu/drm/radeon/radeon_mode.h
index 3cda63e..94eb184 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -255,7 +255,6 @@ struct radeon_crtc {
        struct drm_crtc base;
        int crtc_id;
        u16 lut_r[256], lut_g[256], lut_b[256];
-       u16 lut_r_copy[256], lut_g_copy[256], lut_b_copy[256];
        bool enabled;
        bool can_tile;
        uint32_t crtc_offset;
@@ -517,8 +516,6 @@ extern int atombios_get_encoder_mode(struct drm_encoder 
*encoder);
 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);

 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
-extern void radeon_crtc_save_lut(struct drm_crtc *crtc);
-extern void radeon_crtc_restore_lut(struct drm_crtc *crtc);
 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
                                   struct drm_framebuffer *old_fb);
 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
-- 
1.6.3.3

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