From abee17057f52a1b83ab5d7897bc9299e452b5953 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 20 Apr 2011 13:09:09 -0400 Subject: [PATCH] r600g: fix userspace fences again reinstate b7617346dcff50a66a10c61b95c33682cf629c9e after the rework in 6067a2a67f9a7aab2aee051469bea8af03747a95. Signed-off-by: Alex Deucher --- src/gallium/winsys/r600/drm/r600_hw_context.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c index 8e547da657c..662455be28c 100644 --- a/src/gallium/winsys/r600/drm/r600_hw_context.c +++ b/src/gallium/winsys/r600/drm/r600_hw_context.c @@ -1310,6 +1310,9 @@ void r600_context_flush(struct r600_context *ctx) else r600_context_flush_dest_caches(ctx); + /* partial flush is needed to avoid lockups on some chips with user fences */ + ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE, 0, 0); + ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4); /* emit fence */ ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE_EOP, 4, 0); ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5); -- 2.30.2