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| 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/evergreen.c | |
| parent | 797f203f622164a322b9a0f962ce431e3f6ca48e (diff) | |
| download | lwn-2858c00d2823c83acce2a1175dbabb2cebee8678.tar.gz lwn-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 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 038dcac7670c..5b98e573d60a 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -5291,10 +5291,10 @@ int evergreen_resume(struct radeon_device *rdev) int evergreen_suspend(struct radeon_device *rdev) { r600_audio_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); r700_cp_stop(rdev); r600_dma_stop(rdev); - r600_uvd_rbc_stop(rdev); evergreen_irq_suspend(rdev); radeon_wb_disable(rdev); evergreen_pcie_gart_disable(rdev); @@ -5429,6 +5429,7 @@ void evergreen_fini(struct radeon_device *rdev) radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); |