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drm/amdgpu: bind BOs to TTM only once

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No need to do this on every round.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
This commit is contained in:
Christian König 2017-06-29 10:44:39 +02:00 committed by Alex Deucher
parent fc9c8f5459
commit 92c60d9cf6
1 changed files with 31 additions and 43 deletions
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74
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -252,29 +252,15 @@ static void amdgpu_move_null(struct ttm_buffer_object *bo,
new_mem->mm_node = NULL;
}
static int amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
struct drm_mm_node *mm_node,
struct ttm_mem_reg *mem,
uint64_t *addr)
static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
struct drm_mm_node *mm_node,
struct ttm_mem_reg *mem)
{
int r;
uint64_t addr;
switch (mem->mem_type) {
case TTM_PL_TT:
r = amdgpu_ttm_bind(bo, mem);
if (r)
return r;
case TTM_PL_VRAM:
*addr = mm_node->start << PAGE_SHIFT;
*addr += bo->bdev->man[mem->mem_type].gpu_offset;
break;
default:
DRM_ERROR("Unknown placement %d\n", mem->mem_type);
return -EINVAL;
}
return 0;
addr = mm_node->start << PAGE_SHIFT;
addr += bo->bdev->man[mem->mem_type].gpu_offset;
return addr;
}
static int amdgpu_move_blit(struct ttm_buffer_object *bo,
@ -298,18 +284,25 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
return -EINVAL;
}
old_mm = old_mem->mm_node;
r = amdgpu_mm_node_addr(bo, old_mm, old_mem, &old_start);
if (r)
return r;
old_size = old_mm->size;
if (old_mem->mem_type == TTM_PL_TT) {
r = amdgpu_ttm_bind(bo, old_mem);
if (r)
return r;
}
old_mm = old_mem->mm_node;
old_size = old_mm->size;
old_start = amdgpu_mm_node_addr(bo, old_mm, old_mem);
if (new_mem->mem_type == TTM_PL_TT) {
r = amdgpu_ttm_bind(bo, new_mem);
if (r)
return r;
}
new_mm = new_mem->mm_node;
r = amdgpu_mm_node_addr(bo, new_mm, new_mem, &new_start);
if (r)
return r;
new_size = new_mm->size;
new_start = amdgpu_mm_node_addr(bo, new_mm, new_mem);
num_pages = new_mem->num_pages;
while (num_pages) {
@ -331,10 +324,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
old_size -= cur_pages;
if (!old_size) {
r = amdgpu_mm_node_addr(bo, ++old_mm, old_mem,
&old_start);
if (r)
goto error;
old_start = amdgpu_mm_node_addr(bo, ++old_mm, old_mem);
old_size = old_mm->size;
} else {
old_start += cur_pages * PAGE_SIZE;
@ -342,11 +332,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
new_size -= cur_pages;
if (!new_size) {
r = amdgpu_mm_node_addr(bo, ++new_mm, new_mem,
&new_start);
if (r)
goto error;
new_start = amdgpu_mm_node_addr(bo, ++new_mm, new_mem);
new_size = new_mm->size;
} else {
new_start += cur_pages * PAGE_SIZE;
@ -1347,6 +1333,12 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
return -EINVAL;
}
if (bo->tbo.mem.mem_type == TTM_PL_TT) {
r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem);
if (r)
return r;
}
num_pages = bo->tbo.num_pages;
mm_node = bo->tbo.mem.mm_node;
num_loops = 0;
@ -1382,11 +1374,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
uint32_t byte_count = mm_node->size << PAGE_SHIFT;
uint64_t dst_addr;
r = amdgpu_mm_node_addr(&bo->tbo, mm_node,
&bo->tbo.mem, &dst_addr);
if (r)
return r;
dst_addr = amdgpu_mm_node_addr(&bo->tbo, mm_node, &bo->tbo.mem);
while (byte_count) {
uint32_t cur_size_in_bytes = min(byte_count, max_bytes);