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-rw-r--r--src/gallium/drivers/r600/evergreen_compute.c9
-rw-r--r--src/gallium/drivers/r600/evergreend.h1
2 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/evergreen_compute.c b/src/gallium/drivers/r600/evergreen_compute.c
index 25263f3b013..ce17d3a61ec 100644
--- a/src/gallium/drivers/r600/evergreen_compute.c
+++ b/src/gallium/drivers/r600/evergreen_compute.c
@@ -626,6 +626,15 @@ void evergreen_init_atom_start_compute_cs(struct r600_context *ctx)
r600_init_command_buffer(cb, 256);
cb->pkt_flags = RADEON_CP_PACKET3_COMPUTE_MODE;
+ /* This must be first. */
+ r600_store_value(cb, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
+ r600_store_value(cb, 0x80000000);
+ r600_store_value(cb, 0x80000000);
+
+ /* We're setting config registers here. */
+ r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_CS_PARTIAL_FLUSH) | EVENT_INDEX(4));
+
switch (ctx->family) {
case CHIP_CEDAR:
default:
diff --git a/src/gallium/drivers/r600/evergreend.h b/src/gallium/drivers/r600/evergreend.h
index d10ec7f2af5..98df83de918 100644
--- a/src/gallium/drivers/r600/evergreend.h
+++ b/src/gallium/drivers/r600/evergreend.h
@@ -43,6 +43,7 @@
#define EVERGREEN_CTL_CONST_OFFSET 0x0003CFF0
#define EVERGREEN_CTL_CONST_END 0x0003FF0C
+#define EVENT_TYPE_CS_PARTIAL_FLUSH 0x07
#define EVENT_TYPE_PS_PARTIAL_FLUSH 0x10
#define EVENT_TYPE_ZPASS_DONE 0x15
#define EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT 0x16