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| author | Dave Airlie <airlied@redhat.com> | 2012-04-13 11:14:50 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-04-16 13:40:04 +0100 |
| commit | 16a5e32b83fd946312b9b13590c75d20c95c5202 (patch) | |
| tree | e0f47cb17a899203deb0f8aa05dbfc4be3d4e5e0 /drivers/gpu | |
| parent | e816b57a337ea3b755de72bec38c10c864f23015 (diff) | |
| download | linux-3.10-16a5e32b83fd946312b9b13590c75d20c95c5202.tar.gz linux-3.10-16a5e32b83fd946312b9b13590c75d20c95c5202.tar.bz2 linux-3.10-16a5e32b83fd946312b9b13590c75d20c95c5202.zip | |
drm/radeon: disable MSI on RV515
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>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -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) |