This is a note to let you know that I've just added the patch titled
drm/cirrus: correct register values for 16bpp
to the 3.13-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-cirrus-correct-register-values-for-16bpp.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2510538fa000dd13a3e57b79bf073ffb1748976c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@xxxxxxx>
Date: Tue, 21 Jan 2014 14:34:51 -0800
Subject: drm/cirrus: correct register values for 16bpp
From: Takashi Iwai <tiwai@xxxxxxx>
commit 2510538fa000dd13a3e57b79bf073ffb1748976c upstream.
When the mode is set with 16bpp on QEMU, the output gets totally broken.
The culprit is the bogus register values set for 16bpp, which was likely
copied from from a wrong place.
Addresses https://bugzilla.novell.com/show_bug.cgi?id=799216
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/cirrus/cirrus_mode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/cirrus/cirrus_mode.c
+++ b/drivers/gpu/drm/cirrus/cirrus_mode.c
@@ -273,8 +273,8 @@ static int cirrus_crtc_mode_set(struct d
sr07 |= 0x11;
break;
case 16:
- sr07 |= 0xc1;
- hdr = 0xc0;
+ sr07 |= 0x17;
+ hdr = 0xc1;
break;
case 24:
sr07 |= 0x15;
Patches currently in stable-queue which might be from tiwai@xxxxxxx are
queue-3.13/drm-cirrus-correct-register-values-for-16bpp.patch
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