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

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

+5 −0
Original line number Diff line number Diff line
@@ -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.