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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-27 16:43:05 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-27 16:43:05 -0800 |
| commit | 535d8e8f19376518e52e64f511440e502acda150 (patch) | |
| tree | 06c1ab74b5e7b319a2474cae73cb1a6e77d281e0 /drivers | |
| parent | 6febf65b2965858507e4d55afad20b24b2ad9a91 (diff) | |
| parent | f6be37fdc62d0c0214bc49815d1180ebfbd716e2 (diff) | |
| download | linux-535d8e8f19376518e52e64f511440e502acda150.tar.bz2 | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: enable DMAR by default
xen: disable interrupts early, as start_kernel expects
gpu/drm, x86, PAT: io_mapping_create_wc and resource_size_t
gpu/drm, x86, PAT: Handle io_mapping_create_wc() errors in a clean way
x86, Voyager: fix compile by lifting the degeneracy of phys_cpu_present_map
x86, doc: fix references to Documentation/x86/i386/boot.txt
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index cc4649577a61..6dab63bdc4c1 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1090,6 +1090,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) dev_priv->mm.gtt_mapping = io_mapping_create_wc(dev->agp->base, dev->agp->agp_info.aper_size * 1024*1024); + if (dev_priv->mm.gtt_mapping == NULL) { + ret = -EIO; + goto out_rmmap; + } + /* Set up a WC MTRR for non-PAT systems. This is more common than * one would think, because the kernel disables PAT on first * generation Core chips because WC PAT gets overridden by a UC @@ -1122,7 +1127,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!I915_NEED_GFX_HWS(dev)) { ret = i915_init_phys_hws(dev); if (ret != 0) - goto out_rmmap; + goto out_iomapfree; } /* On the 945G/GM, the chipset reports the MSI capability on the @@ -1161,6 +1166,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) return 0; +out_iomapfree: + io_mapping_free(dev_priv->mm.gtt_mapping); out_rmmap: iounmap(dev_priv->regs); free_priv: |