diff options
| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-10-14 10:54:53 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-10-14 11:24:42 +0800 |
| commit | e8e79c1d7eed0f5ae8820611cb86bdbd6ce595e6 (patch) | |
| tree | a3483b9f1ee6f525ee55fad1a1374fa0099afd4b /src/mesa/drivers/dri/i965/brw_eu_emit.c | |
| parent | a57ef244fc55476660f9fb76982130c5c0b25163 (diff) | |
i965: Fix GS hang on Sandybridge
Don't use r0 for FF_SYNC dest reg on Sandybridge, which would
smash FFID field in GS payload, that cause later URB write fail.
Also not use r0 in any URB write requiring allocate.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_eu_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index f9aa5f7efe..41286382d0 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -1848,7 +1848,8 @@ void brw_ff_sync(struct brw_compile *p, if (intel->gen >= 6) { brw_push_insn_state(p); brw_set_mask_control( p, BRW_MASK_DISABLE ); - brw_MOV(p, brw_message_reg(msg_reg_nr), src0); + brw_MOV(p, retype(brw_message_reg(msg_reg_nr), BRW_REGISTER_TYPE_UD), + retype(src0, BRW_REGISTER_TYPE_UD)); brw_pop_insn_state(p); src0 = brw_message_reg(msg_reg_nr); } |