| Date | Wed, 09 Nov 2011 13:28:45 -0800 | From | Greg KH <> | Subject | [203/262] drm/radeon/kms: Add MSI quirk for Dell RS690 |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
commit 01e718ec194e30b3e8eb3858c742c13649757efc upstream.
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> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/gpu/drm/radeon/radeon_irq_kms.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -125,6 +125,12 @@ static bool radeon_msi_ok(struct radeon_ (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)
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