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sna: Always treat DPMSModeSuspend/Standby similar to DPMSModeOff 

As we assume that Suspend, Standby alias to Off and disable the crtc
when switching to any mode other than On, we need to also perform the
backlight updates for Suspend,Standby prior to passing the DPMS value
onto the kernel.

Suggested-by: Alexander Monakov <amonakov@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-01-06 14:30:56 +00:00
parent 28810d5b36
commit 0138b38dfc
1 changed files with 2 additions and 2 deletions
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4
src/sna/sna_display.c
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@ -2293,7 +2293,7 @@ sna_output_dpms(xf86OutputPtr output, int dpms)
* record the value before the kernel modifies it
* and reapply it afterwards.
*/
if (dpms == DPMSModeOff)
if (dpms != DPMSModeOn)
sna_output_dpms_backlight(output,
sna_output->dpms_mode,
dpms);
@ -2304,7 +2304,7 @@ sna_output_dpms(xf86OutputPtr output, int dpms)
sna_output->dpms_id,
dpms);
if (dpms != DPMSModeOff)
if (dpms == DPMSModeOn)
sna_output_dpms_backlight(output,
sna_output->dpms_mode,
dpms);