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authorAlex Deucher <[email protected]>2013-02-22 17:02:54 -0500
committerAlex Deucher <[email protected]>2013-02-22 18:23:31 -0500
commit7ebf83f109db9dde89830d5844107c936cf42e4d (patch)
tree350f5dd3c142da6623325c0f062a48222c274e6a /src/gallium/drivers/r600
parent7ae6864f0dbec33270c83c4181a8182139662d0f (diff)
r600g: add PS_PARTIAL_FLUSH flag
PS_PARTIAL flushes seems to be required in certain cases to prevent hangs, especially on r6xx. Note: this is a candidate for the 9.1 branch. Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600')
-rw-r--r--src/gallium/drivers/r600/r600.h1
-rw-r--r--src/gallium/drivers/r600/r600_hw_context.c5
2 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600.h b/src/gallium/drivers/r600/r600.h
index 08b77e4fedd..11dbb3bad37 100644
--- a/src/gallium/drivers/r600/r600.h
+++ b/src/gallium/drivers/r600/r600.h
@@ -151,6 +151,7 @@ struct r600_so_target {
#define R600_CONTEXT_WAIT_CP_DMA_IDLE (1 << 3)
#define R600_CONTEXT_FLUSH_AND_INV (1 << 4)
#define R600_CONTEXT_FLUSH_AND_INV_CB_META (1 << 5)
+#define R600_CONTEXT_PS_PARTIAL_FLUSH (1 << 6)
struct r600_context;
struct r600_screen;
diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index f6dc418746d..09dc98bdc9e 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -624,6 +624,11 @@ void r600_flush_emit(struct r600_context *rctx)
return;
}
+ if (rctx->flags & R600_CONTEXT_PS_PARTIAL_FLUSH) {
+ cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
+ cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4);
+ }
+
if (rctx->flags & R600_CONTEXT_WAIT_3D_IDLE) {
wait_until |= S_008040_WAIT_3D_IDLE(1);
}