Module: Mesa
Branch: master
Commit: 2a638076165eaa1294708a7e4518c2d72560e066
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=2a638076165eaa1294708a7e4518c2d72560e066
Author: Kenneth Graunke <kenn...@whitecape.org>
Date: Mon Jun 6 10:35:58 2011 -0700
i965/gen7: Don't emit 3DSTATE_GS_SVB_INDEX on Ivybridge.
According to vol2a.07, it only applies from Cantiga to Sandybridge.
I found this in my ringbuffers while investigating various GPU hangs.
While it may not have been the cause, it seemed wise to remove it.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
Reviewed-by: Eric Anholt <e...@anholt.net>
---
src/mesa/drivers/dri/i965/brw_misc_state.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_misc_state.c
b/src/mesa/drivers/dri/i965/brw_misc_state.c
index 4256234..a6de28b 100644
--- a/src/mesa/drivers/dri/i965/brw_misc_state.c
+++ b/src/mesa/drivers/dri/i965/brw_misc_state.c
@@ -606,13 +606,15 @@ static void upload_invarient_state( struct brw_context
*brw )
OUT_BATCH(1);
ADVANCE_BATCH();
- for (i = 0; i < 4; i++) {
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2));
- OUT_BATCH(i << SVB_INDEX_SHIFT);
- OUT_BATCH(0);
- OUT_BATCH(0xffffffff);
- ADVANCE_BATCH();
+ if (intel->gen < 7) {
+ for (i = 0; i < 4; i++) {
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2));
+ OUT_BATCH(i << SVB_INDEX_SHIFT);
+ OUT_BATCH(0);
+ OUT_BATCH(0xffffffff);
+ ADVANCE_BATCH();
+ }
}
}
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