diff mbox

[3/3] drm: Drop all the stub gamma_get, gamma_set, load_lut functions from drivers

Message ID 1369675198-15194-3-git-send-email-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ville Syrjala May 27, 2013, 5:19 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

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>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c |  7 -------
 drivers/gpu/drm/omapdrm/omap_crtc.c      |  5 -----
 drivers/gpu/drm/omapdrm/omap_fbdev.c     | 14 --------------
 drivers/gpu/drm/qxl/qxl_display.c        | 13 -------------
 drivers/gpu/drm/qxl/qxl_fb.c             |  4 ----
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c     |  5 -----
 drivers/gpu/drm/udl/udl_fb.c             | 15 ---------------
 drivers/gpu/drm/udl/udl_modeset.c        |  5 -----
 drivers/staging/imx-drm/ipuv3-crtc.c     |  5 -----
 9 files changed, 73 deletions(-)

Comments

Daniel Vetter May 27, 2013, 6:40 p.m. UTC | #1
On Mon, May 27, 2013 at 08:19:58PM +0300, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> 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>

On the series:

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_crtc.c |  7 -------
>  drivers/gpu/drm/omapdrm/omap_crtc.c      |  5 -----
>  drivers/gpu/drm/omapdrm/omap_fbdev.c     | 14 --------------
>  drivers/gpu/drm/qxl/qxl_display.c        | 13 -------------
>  drivers/gpu/drm/qxl/qxl_fb.c             |  4 ----
>  drivers/gpu/drm/tilcdc/tilcdc_crtc.c     |  5 -----
>  drivers/gpu/drm/udl/udl_fb.c             | 15 ---------------
>  drivers/gpu/drm/udl/udl_modeset.c        |  5 -----
>  drivers/staging/imx-drm/ipuv3-crtc.c     |  5 -----
>  9 files changed, 73 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> index e8894bc..694d035 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> @@ -160,12 +160,6 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
>  	return 0;
>  }
>  
> -static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc)
> -{
> -	DRM_DEBUG_KMS("%s\n", __FILE__);
> -	/* drm framework doesn't check NULL */
> -}
> -
>  static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
>  {
>  	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
> @@ -183,7 +177,6 @@ static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
>  	.mode_fixup	= exynos_drm_crtc_mode_fixup,
>  	.mode_set	= exynos_drm_crtc_mode_set,
>  	.mode_set_base	= exynos_drm_crtc_mode_set_base,
> -	.load_lut	= exynos_drm_crtc_load_lut,
>  	.disable	= exynos_drm_crtc_disable,
>  };
>  
> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
> index 79b200a..ef161ea 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)
> diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
> index b11ce60..002988d 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
> @@ -281,21 +281,7 @@ fail:
>  	return ret;
>  }
>  
> -static void omap_crtc_fb_gamma_set(struct drm_crtc *crtc,
> -		u16 red, u16 green, u16 blue, int regno)
> -{
> -	DBG("fbdev: set gamma");
> -}
> -
> -static void omap_crtc_fb_gamma_get(struct drm_crtc *crtc,
> -		u16 *red, u16 *green, u16 *blue, int regno)
> -{
> -	DBG("fbdev: get gamma");
> -}
> -
>  static struct drm_fb_helper_funcs omap_fb_helper_funcs = {
> -	.gamma_set = omap_crtc_fb_gamma_set,
> -	.gamma_get = omap_crtc_fb_gamma_get,
>  	.fb_probe = omap_fbdev_create,
>  };
>  
> diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
> index 823d29e..5a6bfa2 100644
> --- a/drivers/gpu/drm/qxl/qxl_display.c
> +++ b/drivers/gpu/drm/qxl/qxl_display.c
> @@ -222,12 +222,6 @@ static int qxl_add_common_modes(struct drm_connector *connector)
>  	return i - 1;
>  }
>  
> -static void qxl_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
> -			       u16 *blue, uint32_t start, uint32_t size)
> -{
> -	/* TODO */
> -}
> -
>  static void qxl_crtc_destroy(struct drm_crtc *crtc)
>  {
>  	struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
> @@ -399,7 +393,6 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
>  static const struct drm_crtc_funcs qxl_crtc_funcs = {
>  	.cursor_set = qxl_crtc_cursor_set,
>  	.cursor_move = qxl_crtc_cursor_move,
> -	.gamma_set = qxl_crtc_gamma_set,
>  	.set_config = drm_crtc_helper_set_config,
>  	.destroy = qxl_crtc_destroy,
>  };
> @@ -619,18 +612,12 @@ static void qxl_crtc_commit(struct drm_crtc *crtc)
>  	DRM_DEBUG("\n");
>  }
>  
> -static void qxl_crtc_load_lut(struct drm_crtc *crtc)
> -{
> -	DRM_DEBUG("\n");
> -}
> -
>  static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
>  	.dpms = qxl_crtc_dpms,
>  	.mode_fixup = qxl_crtc_mode_fixup,
>  	.mode_set = qxl_crtc_mode_set,
>  	.prepare = qxl_crtc_prepare,
>  	.commit = qxl_crtc_commit,
> -	.load_lut = qxl_crtc_load_lut,
>  };
>  
>  static int qdev_crtc_init(struct drm_device *dev, int num_crtc)
> diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c
> index b3c5127..4b955b0 100644
> --- a/drivers/gpu/drm/qxl/qxl_fb.c
> +++ b/drivers/gpu/drm/qxl/qxl_fb.c
> @@ -520,10 +520,6 @@ static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev)
>  }
>  
>  static struct drm_fb_helper_funcs qxl_fb_helper_funcs = {
> -	/* TODO
> -	.gamma_set = qxl_crtc_fb_gamma_set,
> -	.gamma_get = qxl_crtc_fb_gamma_get,
> -	*/
>  	.fb_probe = qxl_fb_find_or_create_single,
>  };
>  
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> index 5dd3c7d..4de3fb4 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)
> diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
> index dc0c065..97e9d61 100644
> --- a/drivers/gpu/drm/udl/udl_fb.c
> +++ b/drivers/gpu/drm/udl/udl_fb.c
> @@ -393,19 +393,6 @@ static struct fb_ops udlfb_ops = {
>  	.fb_release = udl_fb_release,
>  };
>  
> -static void udl_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
> -			   u16 blue, int regno)
> -{
> -}
> -
> -static void udl_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
> -			     u16 *blue, int regno)
> -{
> -	*red = 0;
> -	*green = 0;
> -	*blue = 0;
> -}
> -
>  static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
>  				      struct drm_file *file,
>  				      unsigned flags, unsigned color,
> @@ -558,8 +545,6 @@ out:
>  }
>  
>  static struct drm_fb_helper_funcs udl_fb_helper_funcs = {
> -	.gamma_set = udl_crtc_fb_gamma_set,
> -	.gamma_get = udl_crtc_fb_gamma_get,
>  	.fb_probe = udlfb_create,
>  };
>  
> diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
> index e96d234..2ae1eb7 100644
> --- a/drivers/gpu/drm/udl/udl_modeset.c
> +++ b/drivers/gpu/drm/udl/udl_modeset.c
> @@ -363,10 +363,6 @@ static void udl_crtc_destroy(struct drm_crtc *crtc)
>  	kfree(crtc);
>  }
>  
> -static void udl_load_lut(struct drm_crtc *crtc)
> -{
> -}
> -
>  static void udl_crtc_prepare(struct drm_crtc *crtc)
>  {
>  }
> @@ -383,7 +379,6 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = {
>  	.prepare = udl_crtc_prepare,
>  	.commit = udl_crtc_commit,
>  	.disable = udl_crtc_disable,
> -	.load_lut = udl_load_lut,
>  };
>  
>  static const struct drm_crtc_funcs udl_crtc_funcs = {
> diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c
> index ea61c86..374973d 100644
> --- a/drivers/staging/imx-drm/ipuv3-crtc.c
> +++ b/drivers/staging/imx-drm/ipuv3-crtc.c
> @@ -381,17 +381,12 @@ static void ipu_crtc_commit(struct drm_crtc *crtc)
>  	ipu_fb_enable(ipu_crtc);
>  }
>  
> -static void ipu_crtc_load_lut(struct drm_crtc *crtc)
> -{
> -}
> -
>  static struct drm_crtc_helper_funcs ipu_helper_funcs = {
>  	.dpms = ipu_crtc_dpms,
>  	.mode_fixup = ipu_crtc_mode_fixup,
>  	.mode_set = ipu_crtc_mode_set,
>  	.prepare = ipu_crtc_prepare,
>  	.commit = ipu_crtc_commit,
> -	.load_lut = ipu_crtc_load_lut,
>  };
>  
>  static int ipu_enable_vblank(struct drm_crtc *crtc)
> -- 
> 1.8.1.5
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
diff mbox

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index e8894bc..694d035 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -160,12 +160,6 @@  static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	return 0;
 }
 
-static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc)
-{
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-	/* drm framework doesn't check NULL */
-}
-
 static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
 {
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
@@ -183,7 +177,6 @@  static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
 	.mode_fixup	= exynos_drm_crtc_mode_fixup,
 	.mode_set	= exynos_drm_crtc_mode_set,
 	.mode_set_base	= exynos_drm_crtc_mode_set_base,
-	.load_lut	= exynos_drm_crtc_load_lut,
 	.disable	= exynos_drm_crtc_disable,
 };
 
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 79b200a..ef161ea 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)
diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index b11ce60..002988d 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -281,21 +281,7 @@  fail:
 	return ret;
 }
 
-static void omap_crtc_fb_gamma_set(struct drm_crtc *crtc,
-		u16 red, u16 green, u16 blue, int regno)
-{
-	DBG("fbdev: set gamma");
-}
-
-static void omap_crtc_fb_gamma_get(struct drm_crtc *crtc,
-		u16 *red, u16 *green, u16 *blue, int regno)
-{
-	DBG("fbdev: get gamma");
-}
-
 static struct drm_fb_helper_funcs omap_fb_helper_funcs = {
-	.gamma_set = omap_crtc_fb_gamma_set,
-	.gamma_get = omap_crtc_fb_gamma_get,
 	.fb_probe = omap_fbdev_create,
 };
 
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 823d29e..5a6bfa2 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -222,12 +222,6 @@  static int qxl_add_common_modes(struct drm_connector *connector)
 	return i - 1;
 }
 
-static void qxl_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
-			       u16 *blue, uint32_t start, uint32_t size)
-{
-	/* TODO */
-}
-
 static void qxl_crtc_destroy(struct drm_crtc *crtc)
 {
 	struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
@@ -399,7 +393,6 @@  static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
 static const struct drm_crtc_funcs qxl_crtc_funcs = {
 	.cursor_set = qxl_crtc_cursor_set,
 	.cursor_move = qxl_crtc_cursor_move,
-	.gamma_set = qxl_crtc_gamma_set,
 	.set_config = drm_crtc_helper_set_config,
 	.destroy = qxl_crtc_destroy,
 };
@@ -619,18 +612,12 @@  static void qxl_crtc_commit(struct drm_crtc *crtc)
 	DRM_DEBUG("\n");
 }
 
-static void qxl_crtc_load_lut(struct drm_crtc *crtc)
-{
-	DRM_DEBUG("\n");
-}
-
 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
 	.dpms = qxl_crtc_dpms,
 	.mode_fixup = qxl_crtc_mode_fixup,
 	.mode_set = qxl_crtc_mode_set,
 	.prepare = qxl_crtc_prepare,
 	.commit = qxl_crtc_commit,
-	.load_lut = qxl_crtc_load_lut,
 };
 
 static int qdev_crtc_init(struct drm_device *dev, int num_crtc)
diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c
index b3c5127..4b955b0 100644
--- a/drivers/gpu/drm/qxl/qxl_fb.c
+++ b/drivers/gpu/drm/qxl/qxl_fb.c
@@ -520,10 +520,6 @@  static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev)
 }
 
 static struct drm_fb_helper_funcs qxl_fb_helper_funcs = {
-	/* TODO
-	.gamma_set = qxl_crtc_fb_gamma_set,
-	.gamma_get = qxl_crtc_fb_gamma_get,
-	*/
 	.fb_probe = qxl_fb_find_or_create_single,
 };
 
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 5dd3c7d..4de3fb4 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)
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index dc0c065..97e9d61 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -393,19 +393,6 @@  static struct fb_ops udlfb_ops = {
 	.fb_release = udl_fb_release,
 };
 
-static void udl_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
-			   u16 blue, int regno)
-{
-}
-
-static void udl_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
-			     u16 *blue, int regno)
-{
-	*red = 0;
-	*green = 0;
-	*blue = 0;
-}
-
 static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
 				      struct drm_file *file,
 				      unsigned flags, unsigned color,
@@ -558,8 +545,6 @@  out:
 }
 
 static struct drm_fb_helper_funcs udl_fb_helper_funcs = {
-	.gamma_set = udl_crtc_fb_gamma_set,
-	.gamma_get = udl_crtc_fb_gamma_get,
 	.fb_probe = udlfb_create,
 };
 
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index e96d234..2ae1eb7 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -363,10 +363,6 @@  static void udl_crtc_destroy(struct drm_crtc *crtc)
 	kfree(crtc);
 }
 
-static void udl_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static void udl_crtc_prepare(struct drm_crtc *crtc)
 {
 }
@@ -383,7 +379,6 @@  static struct drm_crtc_helper_funcs udl_helper_funcs = {
 	.prepare = udl_crtc_prepare,
 	.commit = udl_crtc_commit,
 	.disable = udl_crtc_disable,
-	.load_lut = udl_load_lut,
 };
 
 static const struct drm_crtc_funcs udl_crtc_funcs = {
diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c
index ea61c86..374973d 100644
--- a/drivers/staging/imx-drm/ipuv3-crtc.c
+++ b/drivers/staging/imx-drm/ipuv3-crtc.c
@@ -381,17 +381,12 @@  static void ipu_crtc_commit(struct drm_crtc *crtc)
 	ipu_fb_enable(ipu_crtc);
 }
 
-static void ipu_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static struct drm_crtc_helper_funcs ipu_helper_funcs = {
 	.dpms = ipu_crtc_dpms,
 	.mode_fixup = ipu_crtc_mode_fixup,
 	.mode_set = ipu_crtc_mode_set,
 	.prepare = ipu_crtc_prepare,
 	.commit = ipu_crtc_commit,
-	.load_lut = ipu_crtc_load_lut,
 };
 
 static int ipu_enable_vblank(struct drm_crtc *crtc)