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| author | Thomas Hellstrom <thellstrom@vmware.com> | 2012-11-09 10:05:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-17 13:16:34 -0800 |
| commit | 9feda1930e8fed6bb74d9375d00581f7c9ff2995 (patch) | |
| tree | 430958cf0ad78b65b9f965193ee17aebb539b628 | |
| parent | f1e729c67400d3a766befa6f739f971021788878 (diff) | |
| download | lwn-9feda1930e8fed6bb74d9375d00581f7c9ff2995.tar.gz lwn-9feda1930e8fed6bb74d9375d00581f7c9ff2995.zip | |
drm/vmwgfx: Fix hibernation device reset
commit 95e8f6a21996c4cc2c4574b231c6e858b749dce3 upstream.
The device would not reset properly when resuming from hibernation.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Cc: linux-graphics-maintainer@vmware.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | 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 3a4b15acd763..db50604ac216 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1102,6 +1102,11 @@ 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. |