3 files changed, 119 insertions, 32 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 8c6b2284cf56..1f3302aebeff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -205,6 +205,42 @@ void amdgpu_gtt_mgr_recover(struct amdgpu_gtt_mgr *mgr)
 }
 
 /**
+ * amdgpu_gtt_mgr_intersects - test for intersection
+ *
+ * @man: Our manager object
+ * @res: The resource to test
+ * @place: The place for the new allocation
+ * @size: The size of the new allocation
+ *
+ * Simplified intersection test, only interesting if we need GART or not.
+ */
+static bool amdgpu_gtt_mgr_intersects(struct ttm_resource_manager *man,
+				      struct ttm_resource *res,
+				      const struct ttm_place *place,
+				      size_t size)
+{
+	return !place->lpfn || amdgpu_gtt_mgr_has_gart_addr(res);
+}
+
+/**
+ * amdgpu_gtt_mgr_compatible - test for compatibility
+ *
+ * @man: Our manager object
+ * @res: The resource to test
+ * @place: The place for the new allocation
+ * @size: The size of the new allocation
+ *
+ * Simplified compatibility test.
+ */
+static bool amdgpu_gtt_mgr_compatible(struct ttm_resource_manager *man,
+				      struct ttm_resource *res,
+				      const struct ttm_place *place,
+				      size_t size)
+{
+	return !place->lpfn || amdgpu_gtt_mgr_has_gart_addr(res);
+}
+
+/**
  * amdgpu_gtt_mgr_debug - dump VRAM table
  *
  * @man: TTM memory type manager
@@ -225,6 +261,8 @@ static void amdgpu_gtt_mgr_debug(struct ttm_resource_manager *man,
 static const struct ttm_resource_manager_func amdgpu_gtt_mgr_func = {
 	.alloc = amdgpu_gtt_mgr_new,
 	.free = amdgpu_gtt_mgr_del,
+	.intersects = amdgpu_gtt_mgr_intersects,
+	.compatible = amdgpu_gtt_mgr_compatible,
 	.debug = amdgpu_gtt_mgr_debug
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 2e97099808ca..b1c455329023 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1330,11 +1330,12 @@ uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
 static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
 					    const struct ttm_place *place)
 {
-	unsigned long num_pages = bo->resource->num_pages;
 	struct dma_resv_iter resv_cursor;
-	struct amdgpu_res_cursor cursor;
 	struct dma_fence *f;
 
+	if (!amdgpu_bo_is_amdgpu_bo(bo))
+		return ttm_bo_eviction_valuable(bo, place);
+
 	/* Swapout? */
 	if (bo->resource->mem_type == TTM_PL_SYSTEM)
 		return true;
@@ -1353,40 +1354,20 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
 			return false;
 	}
 
-	switch (bo->resource->mem_type) {
-	case AMDGPU_PL_PREEMPT:
-		/* Preemptible BOs don't own system resources managed by the
-		 * driver (pages, VRAM, GART space). They point to resources
-		 * owned by someone else (e.g. pageable memory in user mode
-		 * or a DMABuf). They are used in a preemptible context so we
-		 * can guarantee no deadlocks and good QoS in case of MMU
-		 * notifiers or DMABuf move notifiers from the resource owner.
-		 */
+	/* Preemptible BOs don't own system resources managed by the
+	 * driver (pages, VRAM, GART space). They point to resources
+	 * owned by someone else (e.g. pageable memory in user mode
+	 * or a DMABuf). They are used in a preemptible context so we
+	 * can guarantee no deadlocks and good QoS in case of MMU
+	 * notifiers or DMABuf move notifiers from the resource owner.
+	 */
+	if (bo->resource->mem_type == AMDGPU_PL_PREEMPT)
 		return false;
-	case TTM_PL_TT:
-		if (amdgpu_bo_is_amdgpu_bo(bo) &&
-		    amdgpu_bo_encrypted(ttm_to_amdgpu_bo(bo)))
-			return false;
-		return true;
 
-	case TTM_PL_VRAM:
-		/* Check each drm MM node individually */
-		amdgpu_res_first(bo->resource, 0, (u64)num_pages << PAGE_SHIFT,
-				 &cursor);
-		while (cursor.remaining) {
-			if (place->fpfn < PFN_DOWN(cursor.start + cursor.size)
-			    && !(place->lpfn &&
-				 place->lpfn <= PFN_DOWN(cursor.start)))
-				return true;
-
-			amdgpu_res_next(&cursor, cursor.size);
-		}
+	if (bo->resource->mem_type == TTM_PL_TT &&
+	    amdgpu_bo_encrypted(ttm_to_amdgpu_bo(bo)))
 		return false;
 
-	default:
-		break;
-	}
-
 	return ttm_bo_eviction_valuable(bo, place);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 28ec5f8ac1c1..d1a2619fa89f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -721,6 +721,72 @@ uint64_t amdgpu_vram_mgr_vis_usage(struct amdgpu_vram_mgr *mgr)
 }
 
 /**
+ * amdgpu_vram_mgr_intersects - test each drm buddy block for intersection
+ *
+ * @man: TTM memory type manager
+ * @res: The resource to test
+ * @place: The place to test against
+ * @size: Size of the new allocation
+ *
+ * Test each drm buddy block for intersection for eviction decision.
+ */
+static bool amdgpu_vram_mgr_intersects(struct ttm_resource_manager *man,
+				       struct ttm_resource *res,
+				       const struct ttm_place *place,
+				       size_t size)
+{
+	struct amdgpu_vram_mgr_resource *mgr = to_amdgpu_vram_mgr_resource(res);
+	struct drm_buddy_block *block;
+
+	/* Check each drm buddy block individually */
+	list_for_each_entry(block, &mgr->blocks, link) {
+		unsigned long fpfn =
+			amdgpu_vram_mgr_block_start(block) >> PAGE_SHIFT;
+		unsigned long lpfn = fpfn +
+			(amdgpu_vram_mgr_block_size(block) >> PAGE_SHIFT);
+
+		if (place->fpfn < lpfn &&
+		    (place->lpfn && place->lpfn > fpfn))
+			return true;
+	}
+
+	return false;
+}
+
+/**
+ * amdgpu_vram_mgr_compatible - test each drm buddy block for compatibility
+ *
+ * @man: TTM memory type manager
+ * @res: The resource to test
+ * @place: The place to test against
+ * @size: Size of the new allocation
+ *
+ * Test each drm buddy block for placement compatibility.
+ */
+static bool amdgpu_vram_mgr_compatible(struct ttm_resource_manager *man,
+				       struct ttm_resource *res,
+				       const struct ttm_place *place,
+				       size_t size)
+{
+	struct amdgpu_vram_mgr_resource *mgr = to_amdgpu_vram_mgr_resource(res);
+	struct drm_buddy_block *block;
+
+	/* Check each drm buddy block individually */
+	list_for_each_entry(block, &mgr->blocks, link) {
+		unsigned long fpfn =
+			amdgpu_vram_mgr_block_start(block) >> PAGE_SHIFT;
+		unsigned long lpfn = fpfn +
+			(amdgpu_vram_mgr_block_size(block) >> PAGE_SHIFT);
+
+		if (fpfn < place->fpfn ||
+		    (place->lpfn && lpfn > place->lpfn))
+			return false;
+	}
+
+	return true;
+}
+
+/**
  * amdgpu_vram_mgr_debug - dump VRAM table
  *
  * @man: TTM memory type manager
@@ -753,6 +819,8 @@ static void amdgpu_vram_mgr_debug(struct ttm_resource_manager *man,
 static const struct ttm_resource_manager_func amdgpu_vram_mgr_func = {
 	.alloc	= amdgpu_vram_mgr_new,
 	.free	= amdgpu_vram_mgr_del,
+	.intersects = amdgpu_vram_mgr_intersects,
+	.compatible = amdgpu_vram_mgr_compatible,
 	.debug	= amdgpu_vram_mgr_debug
 };