drm/nouveau/disp: fix dithering not being enabled on some eDP macbooks
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index fa86035..7b11edb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -654,7 +654,13 @@
if (nv_connector->edid && connector->display_info.bpc)
return;
- /* if not, we're out of options unless we're LVDS, default to 8bpc */
+ /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
+ if (nv_connector->type == DCB_CONNECTOR_eDP) {
+ connector->display_info.bpc = 6;
+ return;
+ }
+
+ /* we're out of options unless we're LVDS, default to 8bpc */
if (nv_encoder->dcb->type != OUTPUT_LVDS) {
connector->display_info.bpc = 8;
return;