From: Alex Deucher alexander.deucher@amd.com
Some HP 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 --- drivers/gpu/drm/radeon/radeon_irq_kms.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index f0e660b..b0ed0e1 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -118,6 +118,13 @@ static bool radeon_msi_ok(struct radeon_device *rdev) if (rdev->flags & RADEON_IS_AGP) return false;
+ /* Quirks */ + /* HP RS690 only seems to work with MSIs. */ + if ((rdev->pdev->device == 0x791f) && + (rdev->pdev->subsystem_vendor == 0x103c) && + (rdev->pdev->subsystem_device == 0x30c2)) + return true; + if (rdev->flags & RADEON_IS_IGP) { /* APUs work fine with MSIs */ if (rdev->family >= CHIP_PALM)