diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 57c7edcab6029a31aac7f28a1281b8a6492cded5..765e49fd891112705e23e025b300824c3141c083 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -392,6 +392,11 @@ void mgag200_primary_plane_helper_atomic_disable(struct drm_plane *plane,
 	.destroy = drm_plane_cleanup, \
 	DRM_GEM_SHADOW_PLANE_FUNCS
 
+void mgag200_crtc_set_gamma_linear(struct mga_device *mdev, const struct drm_format_info *format);
+void mgag200_crtc_set_gamma(struct mga_device *mdev,
+			    const struct drm_format_info *format,
+			    struct drm_color_lut *lut);
+
 enum drm_mode_status mgag200_crtc_helper_mode_valid(struct drm_crtc *crtc,
 						    const struct drm_display_mode *mode);
 int mgag200_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *new_state);
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c b/drivers/gpu/drm/mgag200/mgag200_g200er.c
index bce267e0f7de3c02c21a06b4ac7f26ecc22f0e40..8d4538b71047764d79e02bd70b533ca866c2a830 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200er.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c
@@ -202,6 +202,11 @@ static void mgag200_g200er_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 
 	mgag200_g200er_reset_tagfifo(mdev);
 
+	if (crtc_state->gamma_lut)
+		mgag200_crtc_set_gamma(mdev, format, crtc_state->gamma_lut->data);
+	else
+		mgag200_crtc_set_gamma_linear(mdev, format);
+
 	mgag200_enable_display(mdev);
 
 	if (funcs->enable_vidrst)
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
index ac957f42abe1824baeece84e7a1714029dbbfc5b..56e6f986bff31114207fcd3f48590ddc135900ff 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
@@ -203,6 +203,11 @@ static void mgag200_g200ev_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 
 	mgag200_g200ev_set_hiprilvl(mdev);
 
+	if (crtc_state->gamma_lut)
+		mgag200_crtc_set_gamma(mdev, format, crtc_state->gamma_lut->data);
+	else
+		mgag200_crtc_set_gamma_linear(mdev, format);
+
 	mgag200_enable_display(mdev);
 
 	if (funcs->enable_vidrst)
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index bd6e573c9a1a31bd5599fd656fbeee31176537a4..ff2b3c6622e7aa5f85b87626587c9a0e5d90a964 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -334,6 +334,11 @@ static void mgag200_g200se_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 
 	mgag200_g200se_set_hiprilvl(mdev, adjusted_mode, format);
 
+	if (crtc_state->gamma_lut)
+		mgag200_crtc_set_gamma(mdev, format, crtc_state->gamma_lut->data);
+	else
+		mgag200_crtc_set_gamma_linear(mdev, format);
+
 	mgag200_enable_display(mdev);
 
 	if (funcs->enable_vidrst)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index af3ce5a6a636ac7bceb83539b66cbfc0a66d45b4..0f0d59938c3a07912c3f1cb2a0c3b78f393617aa 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -28,8 +28,8 @@
  * This file contains setup code for the CRTC.
  */
 
-static void mgag200_crtc_set_gamma_linear(struct mga_device *mdev,
-					  const struct drm_format_info *format)
+void mgag200_crtc_set_gamma_linear(struct mga_device *mdev,
+				   const struct drm_format_info *format)
 {
 	int i;
 
@@ -65,9 +65,9 @@ static void mgag200_crtc_set_gamma_linear(struct mga_device *mdev,
 	}
 }
 
-static void mgag200_crtc_set_gamma(struct mga_device *mdev,
-				   const struct drm_format_info *format,
-				   struct drm_color_lut *lut)
+void mgag200_crtc_set_gamma(struct mga_device *mdev,
+			    const struct drm_format_info *format,
+			    struct drm_color_lut *lut)
 {
 	int i;