i965/eu: use simd8 when exec_size != EXECUTE_16

Among other thigs, fix a gpu hang when using INTEL_DEBUG=shader_time
for any shader.

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 2538f0dab857f2dfa0e1cc4957b32141e9119a8f..8218f9ca9a7155dff67a9672ed7e2eeae7516801 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -2909,7 +2909,7 @@ brw_set_dp_untyped_atomic_message(struct brw_codegen *p,
 
    if (devinfo->gen >= 8 || devinfo->is_haswell) {
       if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) {
-         if (brw_inst_exec_size(devinfo, p->current) == BRW_EXECUTE_8)
+         if (brw_inst_exec_size(devinfo, p->current) != BRW_EXECUTE_16)
             msg_control |= 1 << 4; /* SIMD8 mode */
 
          brw_inst_set_dp_msg_type(devinfo, insn,
@@ -2922,7 +2922,7 @@ brw_set_dp_untyped_atomic_message(struct brw_codegen *p,
       brw_inst_set_dp_msg_type(devinfo, insn,
                                GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP);
 
-      if (brw_inst_exec_size(devinfo, p->current) == BRW_EXECUTE_8)
+      if (brw_inst_exec_size(devinfo, p->current) != BRW_EXECUTE_16)
          msg_control |= 1 << 4; /* SIMD8 mode */
    }