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| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2012-10-25 12:15:47 -0700 | 
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-11 23:51:37 +0100 | 
| commit | 3ac7831314eba873d60b58718123c503f6961337 (patch) | |
| tree | 62e2042a11d641e20ff782f1cce19623c165d96f /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 9a28977181724ebbd9bdc45291cf29da55a729ee (diff) | |
| download | olio-linux-3.10-3ac7831314eba873d60b58718123c503f6961337.tar.xz olio-linux-3.10-3ac7831314eba873d60b58718123c503f6961337.zip  | |
drm/i915: PIPE_CONTROL TLB invalidate requires CS stall
"If ENABLED, PIPE_CONTROL command will flush the in flight data  written
out by render engine to Global Observation point on flush done. Also
Requires stall bit ([20] of DW1) set."
So set the stall bit to ensure proper invalidation.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 2 | 
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 1591955044c..f7617a4e005 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -245,7 +245,7 @@ gen6_render_ring_flush(struct intel_ring_buffer *ring,  		/*  		 * TLB invalidate requires a post-sync write.  		 */ -		flags |= PIPE_CONTROL_QW_WRITE; +		flags |= PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_CS_STALL;  	}  	ret = intel_ring_begin(ring, 4);  |