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 93a25a9e2d
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>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
parent
edd586fe70
commit
0f9dc59db6
|
@ -50,7 +50,7 @@ bool intel_enable_ppgtt(struct drm_device *dev, bool full)
|
|||
|
||||
/* Full ppgtt disabled by default for now due to issues. */
|
||||
if (full)
|
||||
return false; /* HAS_PPGTT(dev) */
|
||||
return HAS_PPGTT(dev) && (i915.enable_ppgtt == 2);
|
||||
else
|
||||
return HAS_ALIASING_PPGTT(dev);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue