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authorDave Airlie <airlied@redhat.com>2018-09-21 09:52:34 +1000
committerDave Airlie <airlied@redhat.com>2018-09-21 09:52:53 +1000
commit36c9c3c91128e2b892c9be0dd9ee9bd82cbe82ad (patch)
tree687db2e37b7fdcb4bd756a078812d049da18c804 /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
parent0320ac5188eab5c6e8b92b110d1eae967ac272d2 (diff)
parent846311ae68f3c78365ebf3dff505c99e7da861cf (diff)
Merge branch 'drm-next-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-next
This is a new pull for drm-next on top of last weeks with the following changes: - Fixed 64 bit divide - Fixed vram type on vega20 - Misc vega20 fixes - Misc DC fixes - Fix GDS/GWS/OA domain handling Previous changes from last week: amdgpu/kfd: - Picasso (new APU) support - Raven2 (new APU) support - Vega20 enablement - ACP powergating improvements - Add ABGR/XBGR display support - VCN JPEG engine support - Initial xGMI support - Use load balancing for engine scheduling - Lots of new documentation - Rework and clean up i2c and aux handling in DC - Add DP YCbCr 4:2:0 support in DC - Add DMCU firmware loading for Raven (used for ABM and PSR) - New debugfs features in DC - LVDS support in DC - Implement wave kill for gfx/compute (light weight reset for shaders) - Use AGP aperture to avoid gart mappings when possible - GPUVM performance improvements - Bulk moves for more efficient GPUVM LRU handling - Merge amdgpu and amdkfd into one module - Enable gfxoff and stutter mode on Raven - Misc cleanups Scheduler: - Load balancing support - Bug fixes ttm: - Bulk move functionality - Bug fixes radeon: - Misc cleanups Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180920150438.12693-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c58
1 files changed, 1 insertions, 57 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 7056925eb386..176f28777f5e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -196,19 +196,6 @@ int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s)
}
/**
- * amdgpu_fence_schedule_fallback - schedule fallback check
- *
- * @ring: pointer to struct amdgpu_ring
- *
- * Start a timer as fallback to our interrupts.
- */
-static void amdgpu_fence_schedule_fallback(struct amdgpu_ring *ring)
-{
- mod_timer(&ring->fence_drv.fallback_timer,
- jiffies + AMDGPU_FENCE_JIFFIES_TIMEOUT);
-}
-
-/**
* amdgpu_fence_process - check for fence activity
*
* @ring: pointer to struct amdgpu_ring
@@ -229,9 +216,6 @@ void amdgpu_fence_process(struct amdgpu_ring *ring)
} while (atomic_cmpxchg(&drv->last_seq, last_seq, seq) != last_seq);
- if (seq != ring->fence_drv.sync_seq)
- amdgpu_fence_schedule_fallback(ring);
-
if (unlikely(seq == last_seq))
return;
@@ -263,21 +247,6 @@ void amdgpu_fence_process(struct amdgpu_ring *ring)
}
/**
- * amdgpu_fence_fallback - fallback for hardware interrupts
- *
- * @work: delayed work item
- *
- * Checks for fence activity.
- */
-static void amdgpu_fence_fallback(struct timer_list *t)
-{
- struct amdgpu_ring *ring = from_timer(ring, t,
- fence_drv.fallback_timer);
-
- amdgpu_fence_process(ring);
-}
-
-/**
* amdgpu_fence_wait_empty - wait for all fences to signal
*
* @adev: amdgpu device pointer
@@ -424,8 +393,6 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
atomic_set(&ring->fence_drv.last_seq, 0);
ring->fence_drv.initialized = false;
- timer_setup(&ring->fence_drv.fallback_timer, amdgpu_fence_fallback, 0);
-
ring->fence_drv.num_fences_mask = num_hw_submission * 2 - 1;
spin_lock_init(&ring->fence_drv.lock);
ring->fence_drv.fences = kcalloc(num_hw_submission * 2, sizeof(void *),
@@ -501,7 +468,6 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev)
amdgpu_irq_put(adev, ring->fence_drv.irq_src,
ring->fence_drv.irq_type);
drm_sched_fini(&ring->sched);
- del_timer_sync(&ring->fence_drv.fallback_timer);
for (j = 0; j <= ring->fence_drv.num_fences_mask; ++j)
dma_fence_put(ring->fence_drv.fences[j]);
kfree(ring->fence_drv.fences);
@@ -595,27 +561,6 @@ static const char *amdgpu_fence_get_timeline_name(struct dma_fence *f)
}
/**
- * amdgpu_fence_enable_signaling - enable signalling on fence
- * @fence: fence
- *
- * This function is called with fence_queue lock held, and adds a callback
- * to fence_queue that checks if this fence is signaled, and if so it
- * signals the fence and removes itself.
- */
-static bool amdgpu_fence_enable_signaling(struct dma_fence *f)
-{
- struct amdgpu_fence *fence = to_amdgpu_fence(f);
- struct amdgpu_ring *ring = fence->ring;
-
- if (!timer_pending(&ring->fence_drv.fallback_timer))
- amdgpu_fence_schedule_fallback(ring);
-
- DMA_FENCE_TRACE(&fence->base, "armed on ring %i!\n", ring->idx);
-
- return true;
-}
-
-/**
* amdgpu_fence_free - free up the fence memory
*
* @rcu: RCU callback head
@@ -645,7 +590,6 @@ static void amdgpu_fence_release(struct dma_fence *f)
static const struct dma_fence_ops amdgpu_fence_ops = {
.get_driver_name = amdgpu_fence_get_driver_name,
.get_timeline_name = amdgpu_fence_get_timeline_name,
- .enable_signaling = amdgpu_fence_enable_signaling,
.release = amdgpu_fence_release,
};
@@ -701,7 +645,7 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data)
struct amdgpu_device *adev = dev->dev_private;
seq_printf(m, "gpu recover\n");
- amdgpu_device_gpu_recover(adev, NULL, true);
+ amdgpu_device_gpu_recover(adev, NULL);
return 0;
}