drm/i915: Set up an MTRR covering the GTT at driver load.

Browse source

We'd love to just be using PAT, but even on chips with PAT it gets disabled
sometimes due to an errata.  It would probably be better to have pat_enabled
exported and only bother with this when !pat_enabled.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>

...

This commit is contained in:

Eric Anholt 2009-01-23 12:57:47 -08:00 • committed by Dave Airlie

parent 725e30ad66

commit ab657db12d

3 changed files with 25 additions and 11 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

29

drivers/gpu/drm/i915/i915_dma.c

View file

1

drivers/gpu/drm/i915/i915_drv.h

View file

6

drivers/gpu/drm/i915/i915_gem.c

View file