[Mesa-dev] [PATCH 08/13] r600g: fix flushing on RV670, RS780, RS880 again

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

Cc: 10.0 10.1 mesa-stable at lists.freedesktop.org
---
 src/gallium/drivers/r600/r600_hw_context.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index 5ecc73d..0aa7f45 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -210,6 +210,15 @@ void r600_flush_emit(struct r600_context *rctx)
 				S_0085F0_SMX_ACTION_ENA(1);
 	}
 
+	/* Workaround for buggy flushing on some R6xx chipsets. */
+	if (rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV &&
+	    (rctx->b.family == CHIP_RV670 ||
+	     rctx->b.family == CHIP_RS780 ||
+	     rctx->b.family == CHIP_RS880)) {
+		cp_coher_cntl |=  S_0085F0_CB1_DEST_BASE_ENA(1) |
+				  S_0085F0_DEST_BASE_0_ENA(1);
+	}
+
 	if (cp_coher_cntl) {
 		cs->buf[cs->cdw++] = PKT3(PKT3_SURFACE_SYNC, 3, 0);
 		cs->buf[cs->cdw++] = cp_coher_cntl;   /* CP_COHER_CNTL */
-- 
1.8.3.2