Messages in this thread Patch in this message | | | From | Herton Ronaldo Krzesinski <> | Subject | [PATCH 070/241] drm/vmwgfx: Fix hibernation device reset | Date | Thu, 13 Dec 2012 11:57:15 -0200 |
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3.5.7.2 -stable review patch. If anyone has any objections, please let me know.
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From: Thomas Hellstrom <thellstrom@vmware.com>
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: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> --- 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 3a4b15a..db50604 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. -- 1.7.9.5
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