drm/i915: Downgrade Gen9 Plane WM latency error
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 26 Jul 2018 16:15:27 +0000 (17:15 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 30 Jul 2018 07:55:27 +0000 (08:55 +0100)
commit86c1c87d0e6241cbe35bd52badfc84b154e1b959
treee902712058d03c735e8720e9e96d751752eac872
parent6f211ed4343832ce5c18ea68e860705b3fdfa82f
drm/i915: Downgrade Gen9 Plane WM latency error

According to intel_read_wm_latency() it is perfectly legal for one WM
and all subsequent levels to be 0 (and the deeper powersaving states
disabled), so don't shout *ERROR*, over and over again.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180726161527.10516-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/intel_pm.c