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drm/i915/fbc: Eliminate racy intel_fbc_is_active() usage
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 24 Nov 2021 11:36:33 +0000 (13:36 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 3 Dec 2021 10:49:14 +0000 (12:49 +0200)
commit248e251567a013c960d08124a4abcfc3e2ce6371
tree1a4d93fb58859f4be5601e4f93e22436a722f5d3tree | snapshot
parentd96c5ed0e37fcba4071d29fed92410b3a4d9cdf1commit | diff
drm/i915/fbc: Eliminate racy intel_fbc_is_active() usage

The ilk fbc watermark computation uses intel_fbc_is_active() which
is racy since we don't know whether FBC will be enabled or not at
some point. So let's just assume it will be if both HAS_FBC()
and the modparam agree.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211124113652.22090-2-ville.syrjala@linux.intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
drivers/gpu/drm/i915/intel_pm.c diff | blob | history
Domain: System / Kernel;