From: Michel Dänzer <daenzer@vmware.com>
Date: Fri, 3 Jul 2009 10:44:19 +0000 (+0200)
Subject: radeon: Wait for BO idle if necessary before mapping it.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=060c7f2321f72503c14f9f3f7bb27d59d8a90224;p=mesa.git

radeon: Wait for BO idle if necessary before mapping it.

Fixes fighting between GPU and software rendering with TTM.
---

diff --git a/src/mesa/drivers/dri/radeon/radeon_span.c b/src/mesa/drivers/dri/radeon/radeon_span.c
index e28f28662b4..4f5480b1708 100644
--- a/src/mesa/drivers/dri/radeon/radeon_span.c
+++ b/src/mesa/drivers/dri/radeon/radeon_span.c
@@ -443,6 +443,8 @@ static void map_unmap_rb(struct gl_renderbuffer *rb, int flag)
 		return;
 
 	if (flag) {
+		if (rrb->bo->bom->funcs->bo_wait)
+			radeon_bo_wait(rrb->bo);
 		r = radeon_bo_map(rrb->bo, 1);
 		if (r) {
 			fprintf(stderr, "(%s) error(%d) mapping buffer.\n",