Mesa (master): r600g: disable async DMA on R700

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 6dd045ef4074d23ac659eadb2388b12542e3aab8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6dd045ef4074d23ac659eadb2388b12542e3aab8

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sat Apr 19 15:47:54 2014 +0200

r600g: disable async DMA on R700

Cc: 10.0 10.1 mesa-stable at lists.freedesktop.org

---

 src/gallium/winsys/radeon/drm/radeon_drm_winsys.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 0eb0c6a..b53beba 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -282,7 +282,8 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
 
     /* Check for dma */
     ws->info.r600_has_dma = FALSE;
-    if (ws->info.chip_class >= R700 && ws->info.drm_minor >= 27) {
+    /* DMA is disabled on R700. There is IB corruption and hangs. */
+    if (ws->info.chip_class >= EVERGREEN && ws->info.drm_minor >= 27) {
         ws->info.r600_has_dma = TRUE;
     }