[200/264] drm/radeon/kms: Add MSI quirk for Dell RS690

From: Greg KH
Date: Wed Nov 09 2011 - 23:04:42 EST


3.1-stable review patch. If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@xxxxxxx>

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@xxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
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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