From: Alex Deucher Date: Tue, 1 Nov 2011 18:14:18 +0000 (-0400) Subject: drm/radeon/kms: Add MSI quirk for Dell RS690 X-Git-Tag: firefly_0821_release~7541^2~2360 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=957450510b2c59f3689e6114de6b32d5d3aad7c6;p=firefly-linux-kernel-4.4.55.git drm/radeon/kms: Add MSI quirk for Dell RS690 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 Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index b0ed0e164563..a68c626652c7 100644 --- 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_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)