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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-30 19:21:03 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-30 19:21:03 -0800 |
| commit | c00552ebafddfe6abb397d957004f165e010abd2 (patch) | |
| tree | b397d6773b545755ffdae7566f8b96b08ee54ebb /drivers/gpu/drm/radeon/radeon_irq_kms.c | |
| parent | 842f57baab186417d89810f3dd6147f1ef3009dd (diff) | |
| parent | 009d0431c3914de64666bec0d350e54fdd59df6a (diff) | |
| download | blackbird-op-linux-c00552ebafddfe6abb397d957004f165e010abd2.tar.gz blackbird-op-linux-c00552ebafddfe6abb397d957004f165e010abd2.zip | |
Merge 3.18-rc7 into usb-next
We need the xhci fixes here and this resolves a merge issue with
drivers/usb/dwc3/ep0.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq_kms.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 7784911d78ef..00fc59762e0d 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -185,6 +185,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev) if (rdev->flags & RADEON_IS_AGP) return false; + /* + * Older chips have a HW limitation, they can only generate 40 bits + * of address for "64-bit" MSIs which breaks on some platforms, notably + * IBM POWER servers, so we limit them + */ + if (rdev->family < CHIP_BONAIRE) { + dev_info(rdev->dev, "radeon: MSI limited to 32-bit\n"); + rdev->pdev->no_64bit_msi = 1; + } + /* force MSI on */ if (radeon_msi == 1) return true; |
