diff options
| author | Tejun Heo <tj@kernel.org> | 2013-01-23 09:31:01 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-01-23 09:31:01 -0800 |
| commit | c14afb82ffff5903a701a9fb737ac20f36d1f755 (patch) | |
| tree | 304dcc7b1d7b9a5f564f7e978228e61ef41fbef2 /drivers/gpu/drm/radeon/radeon_pm.c | |
| parent | 0fdff3ec6d87856cdcc99e69cf42143fdd6c56b4 (diff) | |
| parent | 1d8549085377674224bf30a368284c391a3ce40e (diff) | |
| download | op-kernel-dev-c14afb82ffff5903a701a9fb737ac20f36d1f755.zip op-kernel-dev-c14afb82ffff5903a701a9fb737ac20f36d1f755.tar.gz | |
Merge branch 'master' into for-3.9-async
To receive f56c3196f251012de9b3ebaff55732a9074fdaae ("async: fix
__lowest_in_progress()").
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index aa14dbb..0bfa656 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -234,7 +234,7 @@ static void radeon_set_power_state(struct radeon_device *rdev) static void radeon_pm_set_clocks(struct radeon_device *rdev) { - int i; + int i, r; /* no need to take locks, etc. if nothing's going to change */ if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) && @@ -248,8 +248,17 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) /* wait for the rings to drain */ for (i = 0; i < RADEON_NUM_RINGS; i++) { struct radeon_ring *ring = &rdev->ring[i]; - if (ring->ready) - radeon_fence_wait_empty_locked(rdev, i); + if (!ring->ready) { + continue; + } + r = radeon_fence_wait_empty_locked(rdev, i); + if (r) { + /* needs a GPU reset dont reset here */ + mutex_unlock(&rdev->ring_lock); + up_write(&rdev->pm.mclk_lock); + mutex_unlock(&rdev->ddev->struct_mutex); + return; + } } radeon_unmap_vram_bos(rdev); |
