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drm/amdgpu: add TMZ handling to amdgpu_move_blit
authorChristian König <christian.koenig@amd.com>
Fri, 28 Feb 2020 13:48:06 +0000 (14:48 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Apr 2020 20:20:29 +0000 (16:20 -0400)
This way we should be at least able to move buffers from VRAM to GTT.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h

index a3c103b..edb5bad 100644 (file)
@@ -65,7 +65,7 @@
 static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
                             struct ttm_mem_reg *mem, unsigned num_pages,
                             uint64_t offset, unsigned window,
-                            struct amdgpu_ring *ring,
+                            struct amdgpu_ring *ring, bool tmz,
                             uint64_t *addr);
 
 /**
@@ -290,17 +290,23 @@ static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_mem_reg *mem,
 
 /**
  * amdgpu_copy_ttm_mem_to_mem - Helper function for copy
+ * @adev: amdgpu device
+ * @src: buffer/address where to read from
+ * @dst: buffer/address where to write to
+ * @size: number of bytes to copy
+ * @tmz: if a secure copy should be used
+ * @resv: resv object to sync to
+ * @f: Returns the last fence if multiple jobs are submitted.
  *
  * The function copies @size bytes from {src->mem + src->offset} to
  * {dst->mem + dst->offset}. src->bo and dst->bo could be same BO for a
  * move and different for a BO to BO copy.
  *
- * @f: Returns the last fence if multiple jobs are submitted.
  */
 int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
                               struct amdgpu_copy_mem *src,
                               struct amdgpu_copy_mem *dst,
-                              uint64_t size,
+                              uint64_t size, bool tmz,
                               struct dma_resv *resv,
                               struct dma_fence **f)
 {
@@ -352,7 +358,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
                if (src->mem->start == AMDGPU_BO_INVALID_OFFSET) {
                        r = amdgpu_map_buffer(src->bo, src->mem,
                                        PFN_UP(cur_size + src_page_offset),
-                                       src_node_start, 0, ring,
+                                       src_node_start, 0, ring, tmz,
                                        &from);
                        if (r)
                                goto error;
@@ -365,7 +371,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
                if (dst->mem->start == AMDGPU_BO_INVALID_OFFSET) {
                        r = amdgpu_map_buffer(dst->bo, dst->mem,
                                        PFN_UP(cur_size + dst_page_offset),
-                                       dst_node_start, 1, ring,
+                                       dst_node_start, 1, ring, tmz,
                                        &to);
                        if (r)
                                goto error;
@@ -373,7 +379,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
                }
 
                r = amdgpu_copy_buffer(ring, from, to, cur_size,
-                                      resv, &next, false, true, false);
+                                      resv, &next, false, true, tmz);
                if (r)
                        goto error;
 
@@ -425,6 +431,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
                            struct ttm_mem_reg *old_mem)
 {
        struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
+       struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo);
        struct amdgpu_copy_mem src, dst;
        struct dma_fence *fence = NULL;
        int r;
@@ -438,14 +445,14 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
 
        r = amdgpu_ttm_copy_mem_to_mem(adev, &src, &dst,
                                       new_mem->num_pages << PAGE_SHIFT,
+                                      amdgpu_bo_encrypted(abo),
                                       bo->base.resv, &fence);
        if (r)
                goto error;
 
        /* clear the space being freed */
        if (old_mem->mem_type == TTM_PL_VRAM &&
-           (ttm_to_amdgpu_bo(bo)->flags &
-            AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) {
+           (abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) {
                struct dma_fence *wipe_fence = NULL;
 
                r = amdgpu_fill_buffer(ttm_to_amdgpu_bo(bo), AMDGPU_POISON,
@@ -2022,7 +2029,7 @@ int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma)
 static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
                             struct ttm_mem_reg *mem, unsigned num_pages,
                             uint64_t offset, unsigned window,
-                            struct amdgpu_ring *ring,
+                            struct amdgpu_ring *ring, bool tmz,
                             uint64_t *addr)
 {
        struct amdgpu_ttm_tt *gtt = (void *)bo->ttm;
@@ -2064,6 +2071,9 @@ static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
 
        dma_address = &gtt->ttm.dma_address[offset >> PAGE_SHIFT];
        flags = amdgpu_ttm_tt_pte_flags(adev, ttm, mem);
+       if (tmz)
+               flags |= AMDGPU_PTE_TMZ;
+
        r = amdgpu_gart_map(adev, 0, num_pages, dma_address, flags,
                            &job->ibs[0].ptr[num_dw]);
        if (r)
index dc6502d..21182ca 100644 (file)
@@ -91,7 +91,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
 int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
                               struct amdgpu_copy_mem *src,
                               struct amdgpu_copy_mem *dst,
-                              uint64_t size,
+                              uint64_t size, bool tmz,
                               struct dma_resv *resv,
                               struct dma_fence **f);
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,