From: Brad Volkin Date: Thu, 18 Sep 2014 23:26:26 +0000 (-0700) Subject: drm/i915: Re-enable the command parser when using PPGTT X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=9beb0ccb66ec5d011ac13a02d3b1098035195251;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git drm/i915: Re-enable the command parser when using PPGTT In commit commit 896ab1a5d54269b463a24194c2e4a369103b46d8 Author: Daniel Vetter 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 Signed-off-by: Brad Volkin [danvet: Also drop the comment right above, all production vlv now have hw ppgtt enabled.] Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index c45856bcc8b9..d40f264bd5f0 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -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);