This is a note to let you know that I've just added the patch titled
drm/nouveau/disp: fix dithering not being enabled on some eDP macbooks
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-nouveau-disp-fix-dithering-not-being-enabled-on-some-edp-macbooks.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From a6a17859f1bdf607650ee055101f54c5f207762b Mon Sep 17 00:00:00 2001
From: Ben Skeggs <[email protected]>
Date: Sat, 5 May 2012 00:39:21 +1000
Subject: drm/nouveau/disp: fix dithering not being enabled on some eDP macbooks
From: Ben Skeggs <[email protected]>
commit a6a17859f1bdf607650ee055101f54c5f207762b upstream.
Signed-off-by: Ben Skeggs <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/nouveau/nouveau_connector.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -654,7 +654,13 @@ nouveau_connector_detect_depth(struct dr
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;
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/drm-nouveau-disp-fix-dithering-not-being-enabled-on-some-edp-macbooks.patch
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