Module: Mesa
Branch: master
Commit: 3cb58010037bad24890785007fd8f47d67249f2f
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=3cb58010037bad24890785007fd8f47d67249f2f
Author: Ben Widawsky <benjamin.widaw...@intel.com>
Date: Thu Jul 30 19:12:15 2015 -0700
i965/bxt: Use more conservative thread counts
Since we really do not know what may occur in the future, pick a more
conservative value for thread counts until we know better what values are
correct. As far as I can tell, the old values will work fine, but some of the
registers seem to indicate that going even lower is possible and the purpose of
having early support is to enable as many configurations that can possibly
exist (we can trim things down after platforms begin shipping later).
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
Reviewed-by: Jordan Justen <jordan.l.jus...@intel.com>
---
src/mesa/drivers/dri/i965/brw_device_info.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.c
b/src/mesa/drivers/dri/i965/brw_device_info.c
index f313b2b..75d1ecb 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.c
+++ b/src/mesa/drivers/dri/i965/brw_device_info.c
@@ -340,8 +340,10 @@ static const struct brw_device_info brw_device_info_bxt = {
.is_broxton = 1,
.gt = 1,
.has_llc = false,
- .max_vs_threads = 112,
- .max_gs_threads = 112,
+
+ /* XXX: These are preliminary thread counts and URB sizes. */
+ .max_vs_threads = 56,
+ .max_gs_threads = 56,
.max_wm_threads = 32,
.urb = {
.size = 64,
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