Mesa (master): i965: Cite the Ivybridge PRM for VS PIPE_CONTROL workarounds .

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 3b3a440d2be8ffc7354293e79133f7045487dd8a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3b3a440d2be8ffc7354293e79133f7045487dd8a

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Wed Jul 10 13:39:19 2013 -0700

i965: Cite the Ivybridge PRM for VS PIPE_CONTROL workarounds.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/intel_batchbuffer.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
index ab7a9a3..7f4121c 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -419,8 +419,8 @@ intel_emit_depth_stall_flushes(struct brw_context *brw)
 }
 
 /**
- * From the BSpec, volume 2a.03: VS Stage Input / State:
- * "[DevIVB] A PIPE_CONTROL with Post-Sync Operation set to 1h and a depth
+ * From the Ivybridge PRM, Volume 2 Part 1, Section 3.2 (VS Stage Input):
+ * "A PIPE_CONTROL with Post-Sync Operation set to 1h and a depth
  *  stall needs to be sent just prior to any 3DSTATE_VS, 3DSTATE_URB_VS,
  *  3DSTATE_CONSTANT_VS, 3DSTATE_BINDING_TABLE_POINTER_VS,
  *  3DSTATE_SAMPLER_STATE_POINTER_VS command.  Only one PIPE_CONTROL needs