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: sta...@vger.kernel.org
Cc: linux-graphics-maintai...@vmware.com
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index f8b590c..f233473 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1084,6 +1084,11 @@ 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.
--
1.7.4.4
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