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authorChristian König <christian.koenig@amd.com>2018-08-27 13:51:27 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-08-29 12:35:37 -0500
commit0e33495d4907f0834321c678f86c912d64f0cd6c (patch)
treef66e480dfa561b81c27b4ba54bb08d77c0b320ab /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentdrm/amdgpu: stop using gart_start as offset for the GTT domain (diff)
downloadlinux-dev-0e33495d4907f0834321c678f86c912d64f0cd6c.tar.xz
linux-dev-0e33495d4907f0834321c678f86c912d64f0cd6c.zip
drm/amdgpu: distinct between allocated GART space and GMC addr
Most of the time we only need to know if the BO has a valid GMC addr. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 5cadf4f1ee2c..d9f3201c9e5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -345,7 +345,7 @@ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
{
uint64_t addr = 0;
- if (mem->mem_type != TTM_PL_TT || amdgpu_gtt_mgr_has_gart_addr(mem)) {
+ if (mm_node->start != AMDGPU_BO_INVALID_OFFSET) {
addr = mm_node->start << PAGE_SHIFT;
addr += bo->bdev->man[mem->mem_type].gpu_offset;
}
@@ -433,8 +433,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
/* Map only what needs to be accessed. Map src to window 0 and
* dst to window 1
*/
- if (src->mem->mem_type == TTM_PL_TT &&
- !amdgpu_gtt_mgr_has_gart_addr(src->mem)) {
+ 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,
@@ -447,8 +446,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
from += src_page_offset;
}
- if (dst->mem->mem_type == TTM_PL_TT &&
- !amdgpu_gtt_mgr_has_gart_addr(dst->mem)) {
+ 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,
@@ -1086,11 +1084,10 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo)
uint64_t flags;
int r;
- if (bo->mem.mem_type != TTM_PL_TT ||
- amdgpu_gtt_mgr_has_gart_addr(&bo->mem))
+ if (bo->mem.start != AMDGPU_BO_INVALID_OFFSET)
return 0;
- /* allocate GTT space */
+ /* allocate GART space */
tmp = bo->mem;
tmp.mm_node = NULL;
placement.num_placement = 1;