1 files changed, 44 insertions, 18 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
index 4b4b0b496262..6aa6ee16dcbd 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
@@ -764,13 +764,18 @@ nv_crtc_gamma_load(struct drm_crtc *crtc)
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 	struct drm_device *dev = nv_crtc->base.dev;
 	struct rgb { uint8_t r, g, b; } __attribute__((packed)) *rgbs;
+	u16 *r, *g, *b;
 	int i;
 
 	rgbs = (struct rgb *)nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index].DAC;
+	r = crtc->gamma_store;
+	g = r + crtc->gamma_size;
+	b = g + crtc->gamma_size;
+
 	for (i = 0; i < 256; i++) {
-		rgbs[i].r = nv_crtc->lut.r[i] >> 8;
-		rgbs[i].g = nv_crtc->lut.g[i] >> 8;
-		rgbs[i].b = nv_crtc->lut.b[i] >> 8;
+		rgbs[i].r = *r++ >> 8;
+		rgbs[i].g = *g++ >> 8;
+		rgbs[i].b = *b++ >> 8;
 	}
 
 	nouveau_hw_load_state_palette(dev, nv_crtc->index, &nv04_display(dev)->mode_reg);
@@ -792,13 +797,6 @@ nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
 		  struct drm_modeset_acquire_ctx *ctx)
 {
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-	int i;
-
-	for (i = 0; i < size; i++) {
-		nv_crtc->lut.r[i] = r[i];
-		nv_crtc->lut.g[i] = g[i];
-		nv_crtc->lut.b[i] = b[i];
-	}
 
 	/* We need to know the depth before we upload, but it's possible to
 	 * get called before a framebuffer is bound.  If this is the case,
@@ -1095,25 +1093,51 @@ static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = {
 	.mode_set = nv_crtc_mode_set,
 	.mode_set_base = nv04_crtc_mode_set_base,
 	.mode_set_base_atomic = nv04_crtc_mode_set_base_atomic,
-	.load_lut = nv_crtc_gamma_load,
 	.disable = nv_crtc_disable,
 };
 
+static const uint32_t modeset_formats[] = {
+        DRM_FORMAT_XRGB8888,
+        DRM_FORMAT_RGB565,
+        DRM_FORMAT_XRGB1555,
+};
+
+static struct drm_plane *
+create_primary_plane(struct drm_device *dev)
+{
+        struct drm_plane *primary;
+        int ret;
+
+        primary = kzalloc(sizeof(*primary), GFP_KERNEL);
+        if (primary == NULL) {
+                DRM_DEBUG_KMS("Failed to allocate primary plane\n");
+                return NULL;
+        }
+
+        /* possible_crtc's will be filled in later by crtc_init */
+        ret = drm_universal_plane_init(dev, primary, 0,
+                                       &drm_primary_helper_funcs,
+                                       modeset_formats,
+                                       ARRAY_SIZE(modeset_formats), NULL,
+                                       DRM_PLANE_TYPE_PRIMARY, NULL);
+        if (ret) {
+                kfree(primary);
+                primary = NULL;
+        }
+
+        return primary;
+}
+
 int
 nv04_crtc_create(struct drm_device *dev, int crtc_num)
 {
 	struct nouveau_crtc *nv_crtc;
-	int ret, i;
+	int ret;
 
 	nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL);
 	if (!nv_crtc)
 		return -ENOMEM;
 
-	for (i = 0; i < 256; i++) {
-		nv_crtc->lut.r[i] = i << 8;
-		nv_crtc->lut.g[i] = i << 8;
-		nv_crtc->lut.b[i] = i << 8;
-	}
 	nv_crtc->lut.depth = 0;
 
 	nv_crtc->index = crtc_num;
@@ -1122,7 +1146,9 @@ nv04_crtc_create(struct drm_device *dev, int crtc_num)
 	nv_crtc->save = nv_crtc_save;
 	nv_crtc->restore = nv_crtc_restore;
 
-	drm_crtc_init(dev, &nv_crtc->base, &nv04_crtc_funcs);
+	drm_crtc_init_with_planes(dev, &nv_crtc->base,
+                                  create_primary_plane(dev), NULL,
+                                  &nv04_crtc_funcs, NULL);
 	drm_crtc_helper_add(&nv_crtc->base, &nv04_crtc_helper_funcs);
 	drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256);