drm/radeon/kms: disable bo moves using the blitter

Blitting from vram to gart is problematic at the moment.
Use the CPU for now to avoid buffer corruption.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index f7d7477daffbb30ba8767da2226a77044f095759..499122c8ccc9330d2be21b9c8ee77643f0dcf2bb 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2782,6 +2782,11 @@ static int evergreen_startup(struct radeon_device *rdev)
                rdev->asic->copy = NULL;
                dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
        }
+       /* XXX: ontario has problems blitting to gart at the moment */
+       if (rdev->family == CHIP_PALM) {
+               rdev->asic->copy = NULL;
+               rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
+       }
 
        /* allocate wb buffer */
        r = radeon_wb_init(rdev);