Mesa (master): r600g: add PS_PARTIAL_FLUSH flag
Alex Deucher
agd5f at kemper.freedesktop.org
Fri Feb 22 23:26:18 UTC 2013
Module: Mesa
Branch: master
Commit: 7ebf83f109db9dde89830d5844107c936cf42e4d
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7ebf83f109db9dde89830d5844107c936cf42e4d
Author: Alex Deucher <alexander.deucher at amd.com>
Date: Fri Feb 22 17:02:54 2013 -0500
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 <alexander.deucher at amd.com>
---
src/gallium/drivers/r600/r600.h | 1 +
src/gallium/drivers/r600/r600_hw_context.c | 5 +++++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/r600/r600.h b/src/gallium/drivers/r600/r600.h
index 08b77e4..11dbb3b 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 f6dc418..09dc98b 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);
}
More information about the mesa-commit
mailing list