linux-kernel - [ 13/82] drm/radeon: fix typo in evergreen_mc

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Date:	Wed, 14 Nov 2012 05:39:46 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Alex Deucher <alexander.deucher@....com>,
	Michel Dänzer <michel.daenzer@....com>,
	Dave Airlie <airlied@...hat.com>
Subject: [ 13/82] drm/radeon: fix typo in evergreen_mc_resume()

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@....com>

commit 695ddeb457584a602f2ba117d08ce37cf6ec1589 upstream.

Add missing index that may have led us to enabling
more crtcs than necessary.

May also fix:
https://bugs.freedesktop.org/show_bug.cgi?id=56139

Signed-off-by: Alex Deucher <alexander.deucher@....com>
Reviewed-by: Michel Dänzer <michel.daenzer@....com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/gpu/drm/radeon/evergreen.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1164,7 +1164,7 @@ void evergreen_mc_resume(struct radeon_d
 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
 
 	for (i = 0; i < rdev->num_crtc; i++) {
-		if (save->crtc_enabled) {
+		if (save->crtc_enabled[i]) {
 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
 			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
 			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);


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