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drm/radeon/kms: Add MSI quirk for Dell RS690

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Some Dell laptops only seem to work with MSIs.  This
looks like a platform/bios bug.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=37679

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-11-01 14:14:18 -04:00 committed by Dave Airlie
parent b362105f7f
commit 01e718ec19
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/radeon/radeon_irq_kms.c
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@ -125,6 +125,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
(rdev->pdev->subsystem_device == 0x30c2))
return true;
/* Dell RS690 only seems to work with MSIs. */
if ((rdev->pdev->device == 0x791f) &&
(rdev->pdev->subsystem_vendor == 0x1028) &&
(rdev->pdev->subsystem_device == 0x01fd))
return true;
if (rdev->flags & RADEON_IS_IGP) {
/* APUs work fine with MSIs */
if (rdev->family >= CHIP_PALM)