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| author | David S. Miller <davem@davemloft.net> | 2014-03-14 22:31:55 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-14 22:31:55 -0400 |
| commit | 85dcce7a73f1cc59f7a96fe52713b1630f4ca272 (patch) | |
| tree | 6c645923eb2f0152073b90685ce80e46cfb7afed /drivers/gpu/drm/i915/i915_gem_stolen.c | |
| parent | 4c4e4113db249c828fffb286bc95ffb255e081f5 (diff) | |
| parent | a4ecdf82f8ea49f7d3a072121dcbd0bf3a7cb93a (diff) | |
| download | linux-rt-85dcce7a73f1cc59f7a96fe52713b1630f4ca272.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/usb/r8152.c
drivers/net/xen-netback/netback.c
Both the r8152 and netback conflicts were simple overlapping
changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_stolen.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_stolen.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 1a24e84f2315..d58b4e287e32 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -82,9 +82,22 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev) r = devm_request_mem_region(dev->dev, base, dev_priv->gtt.stolen_size, "Graphics Stolen Memory"); if (r == NULL) { - DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n", - base, base + (uint32_t)dev_priv->gtt.stolen_size); - base = 0; + /* + * One more attempt but this time requesting region from + * base + 1, as we have seen that this resolves the region + * conflict with the PCI Bus. + * This is a BIOS w/a: Some BIOS wrap stolen in the root + * PCI bus, but have an off-by-one error. Hence retry the + * reservation starting from 1 instead of 0. + */ + r = devm_request_mem_region(dev->dev, base + 1, + dev_priv->gtt.stolen_size - 1, + "Graphics Stolen Memory"); + if (r == NULL) { + DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n", + base, base + (uint32_t)dev_priv->gtt.stolen_size); + base = 0; + } } return base; |