GIT 4b95320fc4d21b0ff2f8604305dd6c851aff6096 git+ssh://master.kernel.org/pub/scm/linux/kernel/git/davej/agpgart.git commit Author: Wang Zhenyu Date: Wed Jan 17 11:07:54 2007 +0800 [AGPGART] intel_agp: restore graphics device's pci space early in resume Currently in resuming path graphics device's pci space restore is behind host bridge, so resume function wrongly accesses graphics device's space. This makes resuming failure which crashed X. here's a patch to restore device's pci space early, which makes resuming ok with X. Signed-off-by: Wang Zhenyu Signed-off-by: Dave Jones drivers/char/agp/intel-agp.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index ab0a9c0..a3011de 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -1955,6 +1955,15 @@ static int agp_intel_resume(struct pci_d pci_restore_state(pdev); + /* We should restore our graphics device's config space, + * as host bridge (00:00) resumes before graphics device (02:00), + * then our access to its pci space can work right. + */ + if (intel_i810_private.i810_dev) + pci_restore_state(intel_i810_private.i810_dev); + if (intel_i830_private.i830_dev) + pci_restore_state(intel_i830_private.i830_dev); + if (bridge->driver == &intel_generic_driver) intel_configure(); else if (bridge->driver == &intel_850_driver)