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drm/i915: Re-enable the command parser when using PPGTT

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commit 896ab1a5d5
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Aug 6 15:04:51 2014 +0200

    drm/i915: Fix up checks for aliasing ppgtt

it looks like we accidentally inverted the check that the command
parser should only run when the driver enables some form of PPGTT.

Testcase: igt/gem_exec_parse
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com>
[danvet: Also drop the comment right above, all production vlv now
have hw ppgtt enabled.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Brad Volkin 2014-09-18 16:26:26 -07:00 committed by Daniel Vetter
parent 9d533c5a52
commit 9beb0ccb66
1 changed files with 1 additions and 6 deletions
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7
drivers/gpu/drm/i915/i915_cmd_parser.c
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@ -845,12 +845,7 @@ bool i915_needs_cmd_parser(struct intel_engine_cs *ring)
if (!ring->needs_cmd_parser)
return false;
/*
* XXX: VLV is Gen7 and therefore has cmd_tables, but has PPGTT
* disabled. That will cause all of the parser's PPGTT checks to
* fail. For now, disable parsing when PPGTT is off.
*/
if (USES_PPGTT(ring->dev))
if (!USES_PPGTT(ring->dev))
return false;
return (i915.enable_cmd_parser == 1);