diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2011-08-25 13:39:48 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 19:49:28 +0000 |
| commit | 7465280c076d6440e5908c158c83b542dc063a30 (patch) | |
| tree | 7781cffcc3784293e5bb97f20fb4a6c8109684ec /drivers/gpu/drm/radeon/radeon_pm.c | |
| parent | 851a6bd99edda0094def3b0b81bb1c7c0e886e65 (diff) | |
drm/radeon/kms: add support for multiple fence queues v2
For supporting multiple CP ring buffers, async DMA
engines and UVD. We still need a way to synchronize
between engines.
v2 initialize unused fence driver ring to avoid issue in
suspend/unload
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 1fb84676afe..19ed2c6c424 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -271,7 +271,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) if (rdev->cp.ready) { struct radeon_fence *fence; radeon_ring_alloc(rdev, 64); - radeon_fence_create(rdev, &fence); + radeon_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX); radeon_fence_emit(rdev, fence); radeon_ring_commit(rdev); radeon_fence_wait(fence, false); @@ -797,17 +797,25 @@ static void radeon_dynpm_idle_work_handler(struct work_struct *work) if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { unsigned long irq_flags; int not_processed = 0; - - read_lock_irqsave(&rdev->fence_drv.lock, irq_flags); - if (!list_empty(&rdev->fence_drv.emitted)) { - struct list_head *ptr; - list_for_each(ptr, &rdev->fence_drv.emitted) { - /* count up to 3, that's enought info */ - if (++not_processed >= 3) - break; + int i; + + read_lock_irqsave(&rdev->fence_lock, irq_flags); + for (i = 0; i < RADEON_NUM_RINGS; ++i) { + if (!rdev->fence_drv[i].initialized) + continue; + + if (!list_empty(&rdev->fence_drv[i].emitted)) { + struct list_head *ptr; + list_for_each(ptr, &rdev->fence_drv[i].emitted) { + /* count up to 3, that's enought info */ + if (++not_processed >= 3) + break; + } } + if (not_processed >= 3) + break; } - read_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags); + read_unlock_irqrestore(&rdev->fence_lock, irq_flags); if (not_processed >= 3) { /* should upclock */ if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) { |