drm/radeon/kms: Add MSI quirk for Dell RS690
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>
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@ -125,6 +125,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
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(rdev->pdev->subsystem_device == 0x30c2))
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return true;
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/* Dell RS690 only seems to work with MSIs. */
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if ((rdev->pdev->device == 0x791f) &&
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(rdev->pdev->subsystem_vendor == 0x1028) &&
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(rdev->pdev->subsystem_device == 0x01fd))
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return true;
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if (rdev->flags & RADEON_IS_IGP) {
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/* APUs work fine with MSIs */
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if (rdev->family >= CHIP_PALM)
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