[ 10/69] drm/nouveau/disp: fix dithering not being enabled on some eDPmacbooks

[Ben Hutchings]

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Skeggs <bskeggs@xxxxxxxxxx>

commit a6a17859f1bdf607650ee055101f54c5f207762b upstream.

Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
[Maarten Lankhorst backported to 3.2,
 changing nv_connector->type to nv_connector->dcb->type]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -616,7 +616,13 @@
 	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->dcb->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;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/