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Message-Id: <20140211184722.791875228@linuxfoundation.org>
Date: Tue, 11 Feb 2014 11:06:07 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Takashi Iwai <tiwai@...e.de>,
Jiri Slaby <jslaby@...e.cz>, David Airlie <airlied@...ux.ie>,
Andrew Morton <akpm@...ux-foundation.org>,
Dave Airlie <airlied@...hat.com>
Subject: [PATCH 3.10 63/79] drm/cirrus: correct register values for 16bpp
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Takashi Iwai <tiwai@...e.de>
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@...e.de>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: David Airlie <airlied@...ux.ie>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
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;
--
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