]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Allow full PPGTT with param override
authorBen Widawsky <benjamin.widawsky@linux.intel.com>
Tue, 25 Mar 2014 01:06:00 +0000 (18:06 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 1 Apr 2014 20:58:07 +0000 (22:58 +0200)
commit7ca9a62420ed082bb027cf1f7d2b8f175afede10
tree8b6cea4beb22b7e9264c99a4b4f4d9dd7cb29619
parent6624269dcdef1dce7e0d3db35344895a3e90e53b
drm/i915: Allow full PPGTT with param override

When PPGTT was disabled by default, the patch also prevented the user
from overriding this behavior via module parameter. Being able to test
this on arbitrary kernels is extremely beneficial to track down the
remaining bugs. The patch that prevented this was:

commit f670b2e2f7ab8d3e3bfd55387d41a8e1b9cab107
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Mar 6 09:40:43 2014 +0100

    drm/i915: Disable full ppgtt by default

By default PPGTT is set to -1. 0 means off, 1 means aliasing only, 2
means full, all other values are reserved.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_gem_gtt.c