aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 051c4db7a1d3..9d67b4853030 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -891,7 +891,7 @@ intel_alloc_mchbar_resource(struct drm_device *dev)
891 int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; 891 int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
892 u32 temp_lo, temp_hi = 0; 892 u32 temp_lo, temp_hi = 0;
893 u64 mchbar_addr; 893 u64 mchbar_addr;
894 int ret = 0; 894 int ret;
895 895
896 if (IS_I965G(dev)) 896 if (IS_I965G(dev))
897 pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi); 897 pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
@@ -901,22 +901,23 @@ intel_alloc_mchbar_resource(struct drm_device *dev)
901 /* If ACPI doesn't have it, assume we need to allocate it ourselves */ 901 /* If ACPI doesn't have it, assume we need to allocate it ourselves */
902#ifdef CONFIG_PNP 902#ifdef CONFIG_PNP
903 if (mchbar_addr && 903 if (mchbar_addr &&
904 pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) { 904 pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE))
905 ret = 0; 905 return 0;
906 goto out;
907 }
908#endif 906#endif
909 907
910 /* Get some space for it */ 908 /* Get some space for it */
911 ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res, 909 dev_priv->mch_res.name = "i915 MCHBAR";
910 dev_priv->mch_res.flags = IORESOURCE_MEM;
911 ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus,
912 &dev_priv->mch_res,
912 MCHBAR_SIZE, MCHBAR_SIZE, 913 MCHBAR_SIZE, MCHBAR_SIZE,
913 PCIBIOS_MIN_MEM, 914 PCIBIOS_MIN_MEM,
914 0, pcibios_align_resource, 915 0, pcibios_align_resource,
915 dev_priv->bridge_dev); 916 dev_priv->bridge_dev);
916 if (ret) { 917 if (ret) {
917 DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret); 918 DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
918 dev_priv->mch_res.start = 0; 919 dev_priv->mch_res.start = 0;
919 goto out; 920 return ret;
920 } 921 }
921 922
922 if (IS_I965G(dev)) 923 if (IS_I965G(dev))
@@ -925,8 +926,7 @@ intel_alloc_mchbar_resource(struct drm_device *dev)
925 926
926 pci_write_config_dword(dev_priv->bridge_dev, reg, 927 pci_write_config_dword(dev_priv->bridge_dev, reg,
927 lower_32_bits(dev_priv->mch_res.start)); 928 lower_32_bits(dev_priv->mch_res.start));
928out: 929 return 0;
929 return ret;
930} 930}
931 931
932/* Setup MCHBAR if possible, return true if we should disable it again */ 932/* Setup MCHBAR if possible, return true if we should disable it again */