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authorBen Skeggs <bskeggs@redhat.com>2014-05-20 16:13:54 +1000
committerJiri Slaby <jslaby@suse.cz>2014-06-20 17:33:55 +0200
commitafb44e1758741b45be382544527b6edf99fd2f6f (patch)
treebbbd84a491c44b3ca973182bbbfccc20f218a686
parent1b2b80af293d868bdb762fa896d5b851248ba566 (diff)
downloadlwn-afb44e1758741b45be382544527b6edf99fd2f6f.tar.gz
lwn-afb44e1758741b45be382544527b6edf99fd2f6f.zip
drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup
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@redhat.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c2
1 files changed, 1 insertions, 1 deletions
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)