drm/i915: Downgrade Gen9 Plane WM latency error

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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

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Chris Wilson 2018-07-26 17:15:27 +01:00

parent 6f211ed434

commit 86c1c87d0e

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/i915/intel_pm.c

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