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drm/i915: PIPE_CONTROL_TLB_INVALIDATE 

This has showed up in several other patches. It's required for the next
context workaround.

I tested this one on its own and saw no differences in basic tests
(performance or otherwise). This patch is relatively likely to cause
regressions, hence why it's split out.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
This commit is contained in:
Ben Widawsky 2012-06-04 14:42:49 -07:00 committed by Daniel Vetter
parent e37ec39b18
commit cc0f639822
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -294,6 +294,7 @@
#define DISPLAY_PLANE_B (1<<20)
#define GFX_OP_PIPE_CONTROL(len) ((0x3<<29)|(0x3<<27)|(0x2<<24)|(len-2))
#define PIPE_CONTROL_CS_STALL (1<<20)
#define PIPE_CONTROL_TLB_INVALIDATE (1<<18)
#define PIPE_CONTROL_QW_WRITE (1<<14)
#define PIPE_CONTROL_DEPTH_STALL (1<<13)
#define PIPE_CONTROL_WRITE_FLUSH (1<<12)

1
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -226,6 +226,7 @@ gen6_render_ring_flush(struct intel_ring_buffer *ring,
* impact.
*/
flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
flags |= PIPE_CONTROL_TLB_INVALIDATE;
flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;