Merge tag 'drm-misc-next-2025-01-06' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for 6.14:

UAPI Changes:
- Clarify drm memory stats documentation

Cross-subsystem Changes:

Core Changes:
 - sched: Documentation fixes,

Driver Changes:
 - amdgpu: Track BO memory stats at runtime
 - amdxdna: Various fixes
 - hisilicon: New HIBMC driver
 - bridges:
   - Provide default implementation of atomic_check for HDMI bridges
   - it605: HDCP improvements, MCCS Support

Signed-off-by: Dave Airlie <[email protected]>

From: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20250106-augmented-kakapo-of-action-0cf000@houat

1 files changed, 17 insertions, 9 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 5d119ac26c4f..a3e128e373bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -35,6 +35,7 @@
 #include "amdgpu_sync.h"
 #include "amdgpu_ring.h"
 #include "amdgpu_ids.h"
+#include "amdgpu_ttm.h"
 
 struct drm_exec;
 
@@ -202,9 +203,13 @@ struct amdgpu_vm_bo_base {
 	/* protected by bo being reserved */
 	struct amdgpu_vm_bo_base	*next;
 
-	/* protected by spinlock */
+	/* protected by vm status_lock */
 	struct list_head		vm_status;
 
+	/* if the bo is counted as shared in mem stats
+	 * protected by vm status_lock */
+	bool				shared;
+
 	/* protected by the BO being reserved */
 	bool				moved;
 };
@@ -324,10 +329,7 @@ struct amdgpu_vm_fault_info {
 struct amdgpu_mem_stats {
 	struct drm_memory_stats drm;
 
-	/* buffers that requested this placement */
-	uint64_t requested;
-	/* buffers that requested this placement
-	 * but are currently evicted */
+	/* buffers that requested this placement but are currently evicted */
 	uint64_t evicted;
 };
 
@@ -345,6 +347,9 @@ struct amdgpu_vm {
 	/* Lock to protect vm_bo add/del/move on all lists of vm */
 	spinlock_t		status_lock;
 
+	/* Memory statistics for this vm, protected by status_lock */
+	struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM];
+
 	/* Per-VM and PT BOs who needs a validation */
 	struct list_head	evicted;
 
@@ -524,8 +529,12 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
 			struct amdgpu_bo_va *bo_va,
 			bool clear);
 bool amdgpu_vm_evictable(struct amdgpu_bo *bo);
-void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
-			     struct amdgpu_bo *bo, bool evicted);
+void amdgpu_vm_bo_invalidate(struct amdgpu_bo *bo, bool evicted);
+void amdgpu_vm_update_stats(struct amdgpu_vm_bo_base *base,
+			    struct ttm_resource *new_res, int sign);
+void amdgpu_vm_bo_update_shared(struct amdgpu_bo *bo);
+void amdgpu_vm_bo_move(struct amdgpu_bo *bo, struct ttm_resource *new_mem,
+		       bool evicted);
 uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr);
 struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
 				       struct amdgpu_bo *bo);
@@ -576,8 +585,7 @@ void amdgpu_vm_set_task_info(struct amdgpu_vm *vm);
 void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev,
 				struct amdgpu_vm *vm);
 void amdgpu_vm_get_memory(struct amdgpu_vm *vm,
-			  struct amdgpu_mem_stats *stats,
-			  unsigned int size);
+			  struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM]);
 
 int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		       struct amdgpu_bo_vm *vmbo, bool immediate);