1 files changed, 10 insertions, 21 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index f8f48be16d80..6a70818039dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -26,6 +26,7 @@
 
 #include <linux/dma-direction.h>
 #include <drm/gpu_scheduler.h>
+#include "amdgpu_vram_mgr.h"
 #include "amdgpu.h"
 
 #define AMDGPU_PL_GDS		(TTM_PL_PRIV + 0)
@@ -38,26 +39,10 @@
 
 #define AMDGPU_POISON	0xd0bed0be
 
-struct amdgpu_vram_mgr {
-	struct ttm_resource_manager manager;
-	struct drm_mm mm;
-	spinlock_t lock;
-	struct list_head reservations_pending;
-	struct list_head reserved_pages;
-	atomic64_t usage;
-	atomic64_t vis_usage;
-};
-
 struct amdgpu_gtt_mgr {
 	struct ttm_resource_manager manager;
 	struct drm_mm mm;
 	spinlock_t lock;
-	atomic64_t used;
-};
-
-struct amdgpu_preempt_mgr {
-	struct ttm_resource_manager manager;
-	atomic64_t used;
 };
 
 struct amdgpu_mman {
@@ -76,7 +61,7 @@ struct amdgpu_mman {
 
 	struct amdgpu_vram_mgr vram_mgr;
 	struct amdgpu_gtt_mgr gtt_mgr;
-	struct amdgpu_preempt_mgr preempt_mgr;
+	struct ttm_resource_manager preempt_mgr;
 
 	uint64_t		stolen_vga_size;
 	struct amdgpu_bo	*stolen_vga_memory;
@@ -98,6 +83,10 @@ struct amdgpu_mman {
 	u64		fw_vram_usage_size;
 	struct amdgpu_bo	*fw_vram_usage_reserved_bo;
 	void		*fw_vram_usage_va;
+
+	/* PAGE_SIZE'd BO for process memory r/w over SDMA. */
+	struct amdgpu_bo	*sdma_access_bo;
+	void			*sdma_access_ptr;
 };
 
 struct amdgpu_copy_mem {
@@ -114,8 +103,7 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev);
 void amdgpu_vram_mgr_fini(struct amdgpu_device *adev);
 
 bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_resource *mem);
-uint64_t amdgpu_gtt_mgr_usage(struct amdgpu_gtt_mgr *mgr);
-int amdgpu_gtt_mgr_recover(struct amdgpu_gtt_mgr *mgr);
+void amdgpu_gtt_mgr_recover(struct amdgpu_gtt_mgr *mgr);
 
 uint64_t amdgpu_preempt_mgr_usage(struct ttm_resource_manager *man);
 
@@ -129,7 +117,6 @@ int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev,
 void amdgpu_vram_mgr_free_sgt(struct device *dev,
 			      enum dma_data_direction dir,
 			      struct sg_table *sgt);
-uint64_t amdgpu_vram_mgr_usage(struct amdgpu_vram_mgr *mgr);
 uint64_t amdgpu_vram_mgr_vis_usage(struct amdgpu_vram_mgr *mgr);
 int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
 				  uint64_t start, uint64_t size);
@@ -158,7 +145,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 			struct dma_fence **fence);
 
 int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo);
-int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo);
+void amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo);
 uint64_t amdgpu_ttm_domain_start(struct amdgpu_device *adev, uint32_t type);
 
 #if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR)
@@ -177,6 +164,8 @@ static inline bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm)
 #endif
 
 void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages);
+int amdgpu_ttm_tt_get_userptr(const struct ttm_buffer_object *tbo,
+			      uint64_t *user_addr);
 int amdgpu_ttm_tt_set_userptr(struct ttm_buffer_object *bo,
 			      uint64_t addr, uint32_t flags);
 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);