Merge branch 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux into drm-next

First feature request for 4.16.  Highlights:
- RV and Vega header cleanups
- TTM operation context support
- 48 bit GPUVM fixes for Vega/RV
- More smatch fixes
- ECC support for vega10
- Resizeable BAR support
- Multi-display sync support in DC
- SR-IOV fixes
- Various scheduler improvements
- GPU reset fixes and vram lost tracking
- Clean up DC/powerplay interfaces
- DCN display fixes
- Various DC fixes

* 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux: (291 commits)
  drm/radeon: Use drm_fb_helper_lastclose() and _poll_changed()
  drm/amdgpu: Use drm_fb_helper_lastclose() and _poll_changed()
  drm/amd/display: Use drm_fb_helper_poll_changed()
  drm/ttm: swap consecutive allocated pooled pages v4
  drm/amdgpu: fix amdgpu_sync_resv v2
  drm/ttm: swap consecutive allocated cached pages v3
  drm/amd/amdgpu: set gtt size according to system memory size only
  drm/amdgpu: Get rid of dep_sync as a seperate object.
  drm/amdgpu: allow specifying vm_block_size for multi level PDs v2
  drm/amdgpu: move validation of the VM size into the VM code
  drm/amdgpu: allow non pot VM size values
  drm/amdgpu: choose number of VM levels based on VM size
  drm/amdgpu: unify VM size handling of Vega10 with older generation
  drm/amdgpu: fix amdgpu_vm_num_entries
  drm/amdgpu: fix VM PD addr shift
  drm/amdgpu: correct vce4.0 fw config for SRIOV (V2)
  drm/amd/display: Don't call dm_log_to_buffer directly in dc_conn_log
  drm/amd/display: Add dm_logger_append_va API
  drm/ttm: Use a static string instead of an array of char *
  drm/amd/display: remove usage of legacy_cursor_update
  ...

1 files changed, 12 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index a4bf21f8f1c1..ebe1ffbab0c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -35,6 +35,7 @@
 struct amdgpu_sync_entry {
 	struct hlist_node	node;
 	struct dma_fence	*fence;
+	bool	explicit;
 };
 
 static struct kmem_cache *amdgpu_sync_slab;
@@ -141,7 +142,7 @@ static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f)
  *
  */
 int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
-		      struct dma_fence *f)
+		      struct dma_fence *f, bool explicit)
 {
 	struct amdgpu_sync_entry *e;
 
@@ -159,6 +160,8 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
 	if (!e)
 		return -ENOMEM;
 
+	e->explicit = explicit;
+
 	hash_add(sync->fences, &e->node, f->context);
 	e->fence = dma_fence_get(f);
 	return 0;
@@ -189,10 +192,7 @@ int amdgpu_sync_resv(struct amdgpu_device *adev,
 
 	/* always sync to the exclusive fence */
 	f = reservation_object_get_excl(resv);
-	r = amdgpu_sync_fence(adev, sync, f);
-
-	if (explicit_sync)
-		return r;
+	r = amdgpu_sync_fence(adev, sync, f, false);
 
 	flist = reservation_object_get_list(resv);
 	if (!flist || r)
@@ -212,15 +212,15 @@ int amdgpu_sync_resv(struct amdgpu_device *adev,
 			     (fence_owner == AMDGPU_FENCE_OWNER_VM)))
 				continue;
 
-			/* Ignore fence from the same owner as
+			/* Ignore fence from the same owner and explicit one as
 			 * long as it isn't undefined.
 			 */
 			if (owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
-			    fence_owner == owner)
+			    (fence_owner == owner || explicit_sync))
 				continue;
 		}
 
-		r = amdgpu_sync_fence(adev, sync, f);
+		r = amdgpu_sync_fence(adev, sync, f, false);
 		if (r)
 			break;
 	}
@@ -275,19 +275,21 @@ struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
  * amdgpu_sync_get_fence - get the next fence from the sync object
  *
  * @sync: sync object to use
+ * @explicit: true if the next fence is explicit
  *
  * Get and removes the next fence from the sync object not signaled yet.
  */
-struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync)
+struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync, bool *explicit)
 {
 	struct amdgpu_sync_entry *e;
 	struct hlist_node *tmp;
 	struct dma_fence *f;
 	int i;
-
 	hash_for_each_safe(sync->fences, i, tmp, e, node) {
 
 		f = e->fence;
+		if (explicit)
+			*explicit = e->explicit;
 
 		hash_del(&e->node);
 		kmem_cache_free(amdgpu_sync_slab, e);