Commit 95e8f6a2 authored by Thomas Hellstrom's avatar Thomas Hellstrom Committed by Dave Airlie

drm/vmwgfx: Fix hibernation device reset

The device would not reset properly when resuming from hibernation.
Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: default avatarBrian Paul <brianp@vmware.com>
Reviewed-by: default avatarDmitry Torokhov <dtor@vmware.com>
Cc: stable@vger.kernel.org
Cc: linux-graphics-maintainer@vmware.com
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 4a48ed23
...@@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev) ...@@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev)
struct drm_device *dev = pci_get_drvdata(pdev); struct drm_device *dev = pci_get_drvdata(pdev);
struct vmw_private *dev_priv = vmw_priv(dev); 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 * Reclaim 3d reference held by fbdev and potentially
* start fifo. * start fifo.
......
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