drm/i915/gt: Skip rmw for masked registers

Browse source

A masked register does not need rmw to update, and it is best not to use
such a sequence.

Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200131235035.3522102-1-chris@chris-wilson.co.uk

...

This commit is contained in:

Chris Wilson 2020-01-31 23:50:35 +00:00

parent faea179283

commit eeec73f8a4

3 changed files with 38 additions and 31 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

69

drivers/gpu/drm/i915/gt/intel_workarounds.c

View file

4

drivers/gpu/drm/i915/gt/intel_workarounds_types.h

View file

2

drivers/gpu/drm/i915/i915_debugfs.c

View file