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-rw-r--r--src/mesa/drivers/dri/i965/brw_context.c13
-rw-r--r--src/mesa/drivers/dri/i965/gen6_vs_state.c2
-rw-r--r--src/mesa/drivers/dri/i965/gen6_wm_state.c2
3 files changed, 13 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 9483ec69d96..a74ba5c90b8 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -183,8 +183,17 @@ GLboolean brwCreateContext( int api,
/* WM maximum threads is number of EUs times number of threads per EU. */
if (intel->gen >= 6) {
brw->urb.size = 1024;
- brw->vs_max_threads = 60;
- brw->wm_max_threads = 80;
+ if (IS_GT2(intel->intelScreen->deviceID)) {
+ /* 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->wm_max_threads = 40;
+ brw->vs_max_threads = 60;
+ } else {
+ brw->wm_max_threads = 40;
+ brw->vs_max_threads = 24;
+ }
} else if (intel->gen == 5) {
brw->urb.size = 1024;
brw->vs_max_threads = 72;
diff --git a/src/mesa/drivers/dri/i965/gen6_vs_state.c b/src/mesa/drivers/dri/i965/gen6_vs_state.c
index ce0b8ea7eaa..a10cec318d6 100644
--- a/src/mesa/drivers/dri/i965/gen6_vs_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_vs_state.c
@@ -137,7 +137,7 @@ upload_vs_state(struct brw_context *brw)
(brw->vs.prog_data->urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
(0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT));
- OUT_BATCH(((60 - 1) << GEN6_VS_MAX_THREADS_SHIFT) | /* max 60 threads for gen6 */
+ OUT_BATCH(((brw->vs_max_threads - 1) << GEN6_VS_MAX_THREADS_SHIFT) |
GEN6_VS_STATISTICS_ENABLE |
GEN6_VS_ENABLE);
ADVANCE_BATCH();
diff --git a/src/mesa/drivers/dri/i965/gen6_wm_state.c b/src/mesa/drivers/dri/i965/gen6_wm_state.c
index 78901ecac57..f4f04750aeb 100644
--- a/src/mesa/drivers/dri/i965/gen6_wm_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_wm_state.c
@@ -144,7 +144,7 @@ upload_wm_state(struct brw_context *brw)
dw4 |= (brw->wm.prog_data->first_curbe_grf <<
GEN6_WM_DISPATCH_START_GRF_SHIFT_0);
- dw5 |= (40 - 1) << GEN6_WM_MAX_THREADS_SHIFT;
+ dw5 |= (brw->wm_max_threads - 1) << GEN6_WM_MAX_THREADS_SHIFT;
/* CACHE_NEW_WM_PROG */
if (brw->wm.prog_data->dispatch_width == 8)