Commit abb295f3 authored Oct 01, 2010 by Thomas Hellstrom Committed by Dave Airlie Oct 01, 2010

vmwgfx: Fix fb VRAM pinning failure due to fragmentation



If the soon-to-be scanout buffer is partly covering the intended
VRAM region, move and pin will fail. In that case, just move it out
to system before attempting to move it in again.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent f1a28ee2

drivers/gpu/drm/vmwgfx/vmwgfx_fb.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -615,6 +615,11 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
		if (unlikely(ret != 0))
		goto err_unlock;

		if (bo->mem.mem_type == TTM_PL_VRAM &&
		bo->mem.mm_node->start < bo->num_pages)
		(void) ttm_bo_validate(bo, &vmw_sys_placement, false,
		false, false);

		ret = ttm_bo_validate(bo, &ne_placement, false, false, false);

		/* Could probably bug on */