Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645

1 files changed, 24 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 855e2196657a..9bec91484c24 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -131,6 +131,21 @@ int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw)
         return 0;
 }
 
+/** amdgpu_ring_insert_nop - insert NOP packets
+ *
+ * @ring: amdgpu_ring structure holding ring information
+ * @count: the number of NOP packets to insert
+ *
+ * This is the generic insert_nop function for rings except SDMA
+ */
+void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
+{
+        int i;
+
+        for (i = 0; i < count; i++)
+                amdgpu_ring_write(ring, ring->nop);
+}
+
 /**
  * amdgpu_ring_commit - tell the GPU to execute the new
  * commands on the ring buffer
@@ -143,10 +158,13 @@ int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw)
  */
 void amdgpu_ring_commit(struct amdgpu_ring *ring)
 {
+        uint32_t count;
+
         /* We pad to match fetch size */
-        while (ring->wptr & ring->align_mask) {
-                amdgpu_ring_write(ring, ring->nop);
-        }
+        count = ring->align_mask + 1 - (ring->wptr & ring->align_mask);
+        count %= ring->align_mask + 1;
+        ring->funcs->insert_nop(ring, count);
+
         mb();
         amdgpu_ring_set_wptr(ring);
 }
@@ -342,6 +360,8 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
                 amdgpu_fence_driver_init_ring(ring);
         }
 
+        init_waitqueue_head(&ring->fence_drv.fence_queue);
+
         r = amdgpu_wb_get(adev, &ring->rptr_offs);
         if (r) {
                 dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r);
@@ -367,7 +387,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
         }
         ring->next_rptr_gpu_addr = adev->wb.gpu_addr + (ring->next_rptr_offs * 4);
         ring->next_rptr_cpu_addr = &adev->wb.wb[ring->next_rptr_offs];
-
+        spin_lock_init(&ring->fence_lock);
         r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type);
         if (r) {
                 dev_err(adev->dev, "failed initializing fences (%d).\n", r);