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uxa: Do not change DPMS mode on unconnected outputs 

The operation is in theory redundant, and in the case of Haswell where
we have multiple outputs aliasing to the same encoder, actually harmful.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68030
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Stefan Dirsch <sndirsch@suse.de>
This commit is contained in:
Chris Wilson 2013-09-18 17:03:40 +01:00
parent 63a070a31a
commit 4497212307
1 changed files with 7 additions and 4 deletions
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11
src/uxa/intel_display.c
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@ -1123,10 +1123,13 @@ intel_output_dpms(xf86OutputPtr output, int dpms)
intel_output_dpms_backlight(output,
intel_output->dpms_mode,
dpms);
drmModeConnectorSetProperty(mode->fd,
intel_output->output_id,
props->prop_id,
dpms);
if (output->crtc)
drmModeConnectorSetProperty(mode->fd,
intel_output->output_id,
props->prop_id,
dpms);
if (dpms != DPMSModeOff)
intel_output_dpms_backlight(output,
intel_output->dpms_mode,