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 --- drivers/gpu/drm/radeon/evergreen.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 01d292c..868bf53 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2890,6 +2890,11 @@ 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);