From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Thu, 30 Jan 2014 09:46:12 +0000 (+0100)
Subject: drm/vmwgfx: Don't commit staged bindings if execbuf fails
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=76c7d18bcddc9794f898ebdee44a3160c636da9c;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

drm/vmwgfx: Don't commit staged bindings if execbuf fails

If execbuf fails and binding commands are never sent to the device,
don't commit the staged context bindings to the tracker.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
---

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 7a5f1eb55c5a..3f0b4d1450ff 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -114,8 +114,10 @@ static void vmw_resource_list_unreserve(struct list_head *list,
 		 * persistent context binding tracker.
 		 */
 		if (unlikely(val->staged_bindings)) {
-			vmw_context_binding_state_transfer
-				(val->res, val->staged_bindings);
+			if (!backoff) {
+				vmw_context_binding_state_transfer
+					(val->res, val->staged_bindings);
+			}
 			kfree(val->staged_bindings);
 			val->staged_bindings = NULL;
 		}