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| author | Dave Airlie <airlied@redhat.com> | 2012-04-13 11:14:50 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-22 15:31:15 -0700 |
| commit | 0a2f823acff10b95374cea2f5debfeda9c2fc5c0 (patch) | |
| tree | 9227eb94981b6d3e482428140d993198c33f9d84 | |
| parent | a73396a655dd0e1a9708e36bebe355e63f0c2dc8 (diff) | |
| download | kernel_goldelico_gta04-0a2f823acff10b95374cea2f5debfeda9c2fc5c0.zip kernel_goldelico_gta04-0a2f823acff10b95374cea2f5debfeda9c2fc5c0.tar.gz kernel_goldelico_gta04-0a2f823acff10b95374cea2f5debfeda9c2fc5c0.tar.bz2 | |
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 e7ddb49..baa019e 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -143,6 +143,12 @@ 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) |