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intel: increase wm thread number to 80 on gen6 GT2

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It seems reset is not required for setting the max_wm_threads to 80
on gen6 GT2.

Increases performance in the Counter-Strike: Source video stress test
by 7.18% (n=5).

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Matt Turner <mattst88@gmail.com>
Acked-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Zou Nan hai 2012-07-27 06:04:02 +08:00 • committed by Kenneth Graunke
parent fdd8df20e4
commit 588881430a
1 changed files with 1 additions and 5 deletions
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6
src/mesa/drivers/dri/i965/brw_context.c
View file

@ -256,11 +256,7 @@ brwCreateContext(int api,
}
} else if (intel->gen == 6) {
if (intel->gt == 2) {
/* This could possibly be 80, but is supposed to require
* disabling of WIZ hashing (bit 6 of GT_MODE, 0x20d0) and a
* GPU reset to change.
*/
brw->max_wm_threads = 40;
brw->max_wm_threads = 80;
brw->max_vs_threads = 60;
brw->max_gs_threads = 60;
brw->urb.size = 64; /* volume 5c.5 section 5.1 */