Mesa (10.1): r600g: disable async DMA on R700
Carl Worth
cworth at kemper.freedesktop.org
Thu May 1 14:31:38 UTC 2014
Module: Mesa
Branch: 10.1
Commit: 1602419b165a2a79746b856aa7ba2f0f90ea5aba
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=1602419b165a2a79746b856aa7ba2f0f90ea5aba
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
(cherry picked from commit 6dd045ef4074d23ac659eadb2388b12542e3aab8)
---
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 0747246..4ff6a41 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -337,7 +337,8 @@ 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;
}
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