diff options
| author |   Christian König <christian.koenig@amd.com> | 2013-08-01 17:34:07 +0200 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2013-08-07 17:37:11 -0400 |
| commit | 2858c00d2823c83acce2a1175dbabb2cebee8678 (patch) | |
| tree | 1751bd3ac36c6749a0fded1775def26b19be2dcb /drivers/gpu/drm/radeon/si.c | |
| parent | drm/radeon/dpm: adjust power state properly for UVD on SI (diff) | |
| download | linux-dev-2858c00d2823c83acce2a1175dbabb2cebee8678.tar.xz linux-dev-2858c00d2823c83acce2a1175dbabb2cebee8678.zip | |
drm/radeon: fix halting UVD
Removing the clock/power or resetting the VCPU can cause
hangs if that happens in the middle of a register write.
Stall the memory and register bus before putting the VCPU
into reset. Keep it in reset when unloading the module or
suspending.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 6ca904673a4f..242c1ac83e23 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6621,7 +6621,7 @@ int si_suspend(struct radeon_device *rdev) si_cp_enable(rdev, false); cayman_dma_stop(rdev); if (rdev->has_uvd) { - r600_uvd_rbc_stop(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); } si_irq_suspend(rdev); @@ -6763,8 +6763,10 @@ void si_fini(struct radeon_device *rdev) radeon_vm_manager_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); - if (rdev->has_uvd) + if (rdev->has_uvd) { + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); + } si_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); |