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authorBen Skeggs <bskeggs@redhat.com>2012-03-24 16:26:13 +1000
committerDave Airlie <airlied@redhat.com>2012-03-26 09:36:03 +0100
commitc8435362f2211086b34ce871fa9c3fcc7ca79ff9 (patch)
treeb7b506e6ca9409d6c1509b13051856e98dda6d1d /drivers
parentc61205b24b79cd3708e751ed9c33970f487686ab (diff)
drm/nouveau: default to 8bpc for non-LVDS panels if EDID isn't useful
A few reports of bad behaviour since the autodetection defaulted to 6bpc, lets fix this. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 8f510fd956b..fa860358add 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -654,10 +654,13 @@ nouveau_connector_detect_depth(struct drm_connector *connector)
if (nv_connector->edid && connector->display_info.bpc)
return;
- /* if not, we're out of options unless we're LVDS, default to 6bpc */
- connector->display_info.bpc = 6;
- if (nv_encoder->dcb->type != OUTPUT_LVDS)
+ /* if not, 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;
+ }
+
+ connector->display_info.bpc = 6;
/* LVDS: panel straps */
if (bios->fp_no_ddc) {