diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-08-20 14:36:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-09-20 13:36:50 -0700 |
| commit | 3eef1e7f9a6569add20ce16afdf52aca42661997 (patch) | |
| tree | 13fbd72f95e371cfd8313406e3adbc8227f81e18 | |
| parent | 1c6fd63ca08484ee60853bd17ba18dd24bd21616 (diff) | |
drm/i915: Allocate the PCI resource for the MCHBAR
commit a25c25c2a2aa55e609099a9f74453c518aec29a6 upstream.
We were failing when trying to allocate the resource for MMIO of the
MCHBAR because we forgot to specify what type of resource we wanted.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 20 |
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 28efc2d16fed..5786737ef048 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -883,7 +883,7 @@ intel_alloc_mchbar_resource(struct drm_device *dev) int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; u32 temp_lo, temp_hi = 0; u64 mchbar_addr; - int ret = 0; + int ret; if (IS_I965G(dev)) pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi); @@ -893,22 +893,23 @@ intel_alloc_mchbar_resource(struct drm_device *dev) /* If ACPI doesn't have it, assume we need to allocate it ourselves */ #ifdef CONFIG_PNP if (mchbar_addr && - pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) { - ret = 0; - goto out; - } + pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) + return 0; #endif /* Get some space for it */ - ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res, + dev_priv->mch_res.name = "i915 MCHBAR"; + dev_priv->mch_res.flags = IORESOURCE_MEM; + ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, + &dev_priv->mch_res, MCHBAR_SIZE, MCHBAR_SIZE, PCIBIOS_MIN_MEM, - 0, pcibios_align_resource, + 0, pcibios_align_resource, dev_priv->bridge_dev); if (ret) { DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret); dev_priv->mch_res.start = 0; - goto out; + return ret; } if (IS_I965G(dev)) @@ -917,8 +918,7 @@ intel_alloc_mchbar_resource(struct drm_device *dev) pci_write_config_dword(dev_priv->bridge_dev, reg, lower_32_bits(dev_priv->mch_res.start)); -out: - return ret; + return 0; } /* Setup MCHBAR if possible, return true if we should disable it again */ |