From 01e718ec194e30b3e8eb3858c742c13649757efc Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 1 Nov 2011 14:14:18 -0400 Subject: [PATCH] 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 Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_irq_kms.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index f88c1a245036..914d9ee8fd35 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) -- GitLab