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authorH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
commitd02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch)
treec3ce99a00061bcc1199b50fa838147d876c56717 /drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
parent0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff)
parentaef55d4922e62a0d887e60d87319f3718aec6ced (diff)
Merge branch 'x86/irq' into x86/apic
Merge reason: Conflicts in arch/x86/kernel/apic/io_apic.c Resolved Conflicts: arch/x86/kernel/apic/io_apic.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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 2e92da56740..d69caf92ffe 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;