3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Hellstrom <thellst...@vmware.com>
commit 95e8f6a21996c4cc2c4574b231c6e858b749dce3 upstream.
The device would not reset properly when resuming from hibernation.
Signed-off-by: Thomas Hellstrom <thellst...@vmware.com>
Reviewed-by: Brian Paul <bri...@vmware.com>
Reviewed-by: Dmitry Torokhov <d...@vmware.com>
Cc: linux-graphics-maintai...@vmware.com
Signed-off-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index ed3c1e7..2dd185e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev)
struct drm_device *dev = pci_get_drvdata(pdev);
struct vmw_private *dev_priv = vmw_priv(dev);
+ mutex_lock(&dev_priv->hw_mutex);
+ vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
+ (void) vmw_read(dev_priv, SVGA_REG_ID);
+ mutex_unlock(&dev_priv->hw_mutex);
+
/**
* Reclaim 3d reference held by fbdev and potentially
* start fifo.
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