From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Takashi Iwai , Jiri Slaby , David Airlie , Andrew Morton , Dave Airlie , Kamal Mostafa Subject: [PATCH 3.8 085/124] drm/cirrus: correct register values for 16bpp Date: Mon, 10 Feb 2014 11:40:25 -0800 Message-Id: <1392061264-28124-86-git-send-email-kamal@canonical.com> In-Reply-To: <1392061264-28124-1-git-send-email-kamal@canonical.com> References: <1392061264-28124-1-git-send-email-kamal@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.8.13.18 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Iwai 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 Signed-off-by: Jiri Slaby Cc: David Airlie Signed-off-by: Andrew Morton Signed-off-by: Dave Airlie Signed-off-by: Kamal Mostafa --- drivers/gpu/drm/cirrus/cirrus_mode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 60685b2..379a47e 100644 --- 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 drm_crtc *crtc, sr07 |= 0x11; break; case 16: - sr07 |= 0xc1; - hdr = 0xc0; + sr07 |= 0x17; + hdr = 0xc1; break; case 24: sr07 |= 0x15; -- 1.8.3.2