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authorChris Wilson <chris@chris-wilson.co.uk>2019-11-02 19:19:20 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2019-11-02 21:10:39 +0000
commitb5ac286c9bb0e13c5c23b2f76c7b9445587371df (patch)
treeb7a7bc30d54ee5b71002d06acc5e1ba68a1373fe /src/sna/sna_reg.h
parentbff5eca49b27cb47673123222a714d2a6f56287f (diff)
sna: Close each client op with an arbitrartion check
Minimise preemption latency by frequently checking for pending preemption events in between X11 client requests. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/sna_reg.h')
-rw-r--r--src/sna/sna_reg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sna/sna_reg.h b/src/sna/sna_reg.h
index 92a1ae57..0531fabf 100644
--- a/src/sna/sna_reg.h
+++ b/src/sna/sna_reg.h
@@ -14,6 +14,7 @@
/* broadwater flush bits */
#define BRW_MI_GLOBAL_SNAPSHOT_RESET (1 << 3)
+#define MI_ARB_CHECK (0x5 << 23)
#define MI_BATCH_BUFFER_END (0xA << 23)
/* Noop */