drm/i915: Do not enable DRRS when PSR is enabled

Browse source

Some platforms do not support PSR and DRRS simultaneously.
Visual artifacts and flickering were reported on BDW HP Spectre
x360 Convertible. Deferring to PSR when both PSR and DRRS are
supported by the panel.

V2: Minor code-style changes suggested by Rodrigo
V3: Add a WARN_ON during PSR init suggested by Dhinakaran
    Correct debug message,title suggested by Jani

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101111
Cc: Nicholas Stommel <nicholas.stommel@gmail.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Clinton Taylor <clinton.a.taylor@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170914181641.24393-1-radhakrishna.sripada@intel.com

...

This commit is contained in:

Radhakrishna Sripada 2017-09-14 11:16:41 -07:00 • committed by Rodrigo Vivi

parent 22ea4f3528

commit da83ef85f5

2 changed files with 6 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

drivers/gpu/drm/i915/intel_dp.c

View file

1

drivers/gpu/drm/i915/intel_psr.c

View file