From 701394cc534a4a7883ddc4f8f82fb438b3d664ff Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Sun, 10 Oct 2010 18:54:08 +0100 Subject: drm/i915: Fix oops on HWS unload Freeing the Hardware Status Page was writing to the HWS register in order to disable the GPU writing to the HWS page. Unfortunately, we were writing to the mmio register after unmapping the register space, hence the oops. Signed-off-by: Daniel Vetter Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_dma.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f451af6..2caf43d 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -2133,9 +2133,6 @@ int i915_driver_unload(struct drm_device *dev) if (dev->pdev->msi_enabled) pci_disable_msi(dev->pdev); - if (dev_priv->regs != NULL) - iounmap(dev_priv->regs); - intel_opregion_fini(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -2157,6 +2154,9 @@ int i915_driver_unload(struct drm_device *dev) i915_free_hws(dev); } + if (dev_priv->regs != NULL) + iounmap(dev_priv->regs); + intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); -- cgit v1.1