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Date:	Mon, 23 Jun 2014 10:30:59 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Ben Skeggs <bskeggs@...hat.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 024/111] drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup

From: Ben Skeggs <bskeggs@...hat.com>

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

===============

commit 0f1d360b2ee3a2a0f510d3f1bcd3f5ebe5d41265 upstream.

Fixes a LVDS bleed issue on Lenovo W530 that can occur under a
number of circumstances.

Signed-off-by: Ben Skeggs <bskeggs@...hat.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 52dd7a1db729..8f336558c681 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -678,7 +678,7 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id,
 	}
 
 	if (outp == 8)
-		return false;
+		return conf;
 
 	data = exec_lookup(priv, head, outp, ctrl, dcb, &ver, &hdr, &cnt, &len, &info1);
 	if (data == 0x0000)
-- 
2.0.0

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