From c8435362f2211086b34ce871fa9c3fcc7ca79ff9 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sat, 24 Mar 2012 16:26:13 +1000 Subject: [PATCH] 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 Signed-off-by: Dave Airlie --- drivers/gpu/drm/nouveau/nouveau_connector.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 8f510fd..fa86035 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) { -- 2.7.4