diff options
author | Dave Airlie <airlied@redhat.com> | 2010-08-02 10:24:46 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2010-08-02 10:24:46 +1000 |
commit | 7827627107aeb629f1a056cb56b17bd4fb789e03 (patch) | |
tree | cbd83582abb9120c7ef724bf439916c8bf864e37 /drivers/pci/setup-res.c | |
parent | e190bfe56841551b1ad5abb42ebd0c4798cc8c01 (diff) | |
parent | 219de62a1627247fca10789f28902f66cb0b408f (diff) |
Merge branch 'drm-radeon-next' of ../drm-radeon-next into drm-core-next
* 'drm-radeon-next' of ../drm-radeon-next: (333 commits)
drm/radeon/kms: trivial code style fixes for audio
drm/radeon: remove viewport transform from r6xx/r7xx blit emit
drm/radeon: group r6xx/r7xx newly sequential blit state
drm/radeon: reorder r6xx/r7xx blit state emit to make more regs sequential
drm/radeon: r6xx/r7xx move vport clipping to a single packet
drm/radeon: group r6xx/r7xx sequential blit state
drm/radeon: remove duplicate state emit in r6xx/r7xx blit
drm/radeon: add comments to r6xx/r7xx blit state
drm/radeon/kms/r7xx: add workaround for hw issue with HDP flush
drm/radeon/kms: remove rs4xx gart limit
drm: radeon: fix sign bug
drm/radeon/kms: check/restore sanity before doing anything else with GPU.
drm/radeon: fall back to GTT if bo creation/validation in VRAM fails.
drm/radeon/kms: add ioport register access
drm/radeon/kms: enable HDMI audio on RS600/RS690/RS740
drm/radeon/kms: track audio engine state, do not use not setup timer
drm/radeon/kms/r6xx+: add query for tile config (v2)
drm/radeon/kms: fix CS alignment checking for tiling (v2)
drm/radeon/kms: add tiling support to the cs checker for r6xx/r7xx
drm/radeon/kms: Add crtc tiling setup support for evergreen
...
Diffstat (limited to 'drivers/pci/setup-res.c')
-rw-r--r-- | drivers/pci/setup-res.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 92379e2d37e..2aaa13150de 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -156,6 +156,38 @@ static int __pci_assign_resource(struct pci_bus *bus, struct pci_dev *dev, pcibios_align_resource, dev); } + if (ret < 0 && dev->fw_addr[resno]) { + struct resource *root, *conflict; + resource_size_t start, end; + + /* + * If we failed to assign anything, let's try the address + * where firmware left it. That at least has a chance of + * working, which is better than just leaving it disabled. + */ + + if (res->flags & IORESOURCE_IO) + root = &ioport_resource; + else + root = &iomem_resource; + + start = res->start; + end = res->end; + res->start = dev->fw_addr[resno]; + res->end = res->start + size - 1; + dev_info(&dev->dev, "BAR %d: trying firmware assignment %pR\n", + resno, res); + conflict = request_resource_conflict(root, res); + if (conflict) { + dev_info(&dev->dev, + "BAR %d: %pR conflicts with %s %pR\n", resno, + res, conflict->name, conflict); + res->start = start; + res->end = end; + } else + ret = 0; + } + if (!ret) { res->flags &= ~IORESOURCE_STARTALIGN; dev_info(&dev->dev, "BAR %d: assigned %pR\n", resno, res); |