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authorMarta Lofstedt <marta.lofstedt@intel.com>2016-12-05 14:04:08 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-06 10:03:28 +0100
commit8f5040e421ca4bbd8cd5216dec509da188eb74bc (patch)
tree5617baff46cb07a62692b555d731236cf7c7e67d /drivers/gpu/drm/drm_atomic_helper.c
parent16571a8a435abf73cde769918850ca76a471f14c (diff)
downloadop-kernel-dev-8f5040e421ca4bbd8cd5216dec509da188eb74bc.zip
op-kernel-dev-8f5040e421ca4bbd8cd5216dec509da188eb74bc.tar.gz
drm: allow changing DPMS mode
The drm_atomic_helper_connector_dpms will set the connector back the old DPMS state before returning. This makes it impossible to change DPMS state of the connector. Fixes: 0853695c3ba46f97dfc0b5885f7b7e640ca212dd v2: edit of commit message Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Eric Engestrom <eric.engestrom@imgtec.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: dri-devel@lists.freedesktop.org Cc: <drm-intel-fixes@lists.freedesktop.org> Signed-off-by: Marta Lofstedt <marta.lofstedt@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161205120408.13056-1-marta.lofstedt@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 494680c..6a5acb9 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2885,8 +2885,8 @@ retry:
fail:
if (ret == -EDEADLK)
goto backoff;
-
- connector->dpms = old_mode;
+ if (ret != 0)
+ connector->dpms = old_mode;
drm_atomic_state_put(state);
return ret;
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