diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-04-13 11:14:50 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-22 15:39:18 -0700 |
| commit | ef49ff4bbe3894b92d4949753ab8f352920c6151 (patch) | |
| tree | da1f631ed4421ac0558957c43f466b6315e5691f | |
| parent | 639a69ba1c7e0d74a916d880117b67a00d9ec161 (diff) | |
drm/radeon: disable MSI on RV515
commit 16a5e32b83fd946312b9b13590c75d20c95c5202 upstream.
My rv515 card is very flaky with msi enabled. Every so often it loses a rearm
and never comes back, manually banging the rearm brings it back.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq_kms.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 66d5fe1c817..65060b77c80 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -147,6 +147,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev) (rdev->pdev->subsystem_device == 0x01fd)) return true; + /* RV515 seems to have MSI issues where it loses + * MSI rearms occasionally. This leads to lockups and freezes. + * disable it by default. + */ + if (rdev->family == CHIP_RV515) + return false; if (rdev->flags & RADEON_IS_IGP) { /* APUs work fine with MSIs */ if (rdev->family >= CHIP_PALM) |