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authorTejun Heo <tj@kernel.org>2010-02-02 14:38:15 +0900
committerTejun Heo <tj@kernel.org>2010-02-02 14:38:15 +0900
commitab386128f20c44c458a90039ab1bdc265ac474c9 (patch)
tree2ad188744922b1bb951fd10ff50dc04c83acce22 /drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
parentdbfc196a3cc1a2514ad0737a82f764de23bd65e6 (diff)
parentab658321f32770b903a4426e2a6fae0392757755 (diff)
downloadop-kernel-dev-ab386128f20c44c458a90039ab1bdc265ac474c9.zip
op-kernel-dev-ab386128f20c44c458a90039ab1bdc265ac474c9.tar.gz
Merge branch 'master' into percpu
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2e92da5..d69caf9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -490,10 +490,29 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
if (vmw_dmabuf_gmr(bo) != SVGA_GMR_NULL)
return 0;
+ /**
+ * Put BO in VRAM, only if there is space.
+ */
+
+ ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false);
+ if (unlikely(ret == -ERESTARTSYS))
+ return ret;
+
+ /**
+ * Otherwise, set it up as GMR.
+ */
+
+ if (vmw_dmabuf_gmr(bo) != SVGA_GMR_NULL)
+ return 0;
+
ret = vmw_gmr_bind(dev_priv, bo);
if (likely(ret == 0 || ret == -ERESTARTSYS))
return ret;
+ /**
+ * If that failed, try VRAM again, this time evicting
+ * previous contents.
+ */
ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false);
return ret;
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