drm/nv10/plane: some chipsets don't support NV12

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
index c14afb7..32e7064 100644 (file)
--- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
@@ -58,8 +58,8 @@ struct nouveau_plane {
 };
 
 static uint32_t formats[] = {
-       DRM_FORMAT_NV12,
        DRM_FORMAT_UYVY,
+       DRM_FORMAT_NV12,
 };
 
 /* Sine can be approximated with
@@ -254,14 +254,25 @@ nv10_overlay_init(struct drm_device *device)
 {
        struct nouveau_device *dev = nouveau_dev(device);
        struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL);
+       int num_formats = ARRAY_SIZE(formats);
        int ret;
 
        if (!plane)
                return;
 
+       switch (dev->chipset) {
+       case 0x10:
+       case 0x11:
+       case 0x15:
+       case 0x1a:
+       case 0x20:
+               num_formats = 1;
+               break;
+       }
+
        ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
                             &nv10_plane_funcs,
-                            formats, ARRAY_SIZE(formats), false);
+                            formats, num_formats, false);
        if (ret)
                goto err;