Return-Path: Message-Id: <20130703184102.222102193@goodmis.org> Date: Wed, 03 Jul 2013 14:40:34 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Christopher Harvey , Julia Lemire , Dave Airlie Subject: [097/141] drm/mgag200: Add missing write to index before accessing data register References: <20130703183857.307196999@goodmis.org> Content-Disposition: inline; filename=0097-drm-mgag200-Add-missing-write-to-index-before-access.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6.11.6 stable review patch. If anyone has any objections, please let me know. ------------------ From: Christopher Harvey [ Upstream commit 91f8f105f2b82b4a38dee2d74760bc39d40ec42c ] This is a bug fix for some versions of g200se cards while doing mode-setting. Signed-off-by: Christopher Harvey Tested-by: Julia Lemire Acked-by: Julia Lemire Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie Signed-off-by: Steven Rostedt --- drivers/gpu/drm/mgag200/mgag200_mode.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 85ef6cc..64e24f6 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1042,13 +1042,14 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, else hi_pri_lvl = 5; - WREG8(0x1fde, 0x06); - WREG8(0x1fdf, hi_pri_lvl); + WREG8(MGAREG_CRTCEXT_INDEX, 0x06); + WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl); } else { + WREG8(MGAREG_CRTCEXT_INDEX, 0x06); if (mdev->reg_1e24 >= 0x01) - WREG8(0x1fdf, 0x03); + WREG8(MGAREG_CRTCEXT_DATA, 0x03); else - WREG8(0x1fdf, 0x04); + WREG8(MGAREG_CRTCEXT_DATA, 0x04); } } return 0; -- 1.7.10.4