Separate the drm_mm_node walking from the actual handling.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Acked-by: Oak Zeng <Oak.Zeng@xxxxxxx>
Tested-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 2cbe4ace591f..d469ba5fef2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -441,7 +441,8 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
static bool amdgpu_mem_visible(struct amdgpu_device *adev,
struct ttm_resource *mem)
{
- struct drm_mm_node *nodes = mem->mm_node;
+ uint64_t mem_size = (u64)mem->num_pages << PAGE_SHIFT;
+ struct amdgpu_res_cursor cursor;
if (mem->mem_type == TTM_PL_SYSTEM ||
mem->mem_type == TTM_PL_TT)
@@ -449,12 +450,13 @@ static bool amdgpu_mem_visible(struct amdgpu_device *adev,
if (mem->mem_type != TTM_PL_VRAM)
return false;
+ amdgpu_res_first(mem, 0, mem_size, &cursor);
+
/* ttm_resource_ioremap only supports contiguous memory */
- if (nodes->size != mem->num_pages)
+ if (cursor.size != mem_size)
return false;
- return ((nodes->start + nodes->size) << PAGE_SHIFT)
- <= adev->gmc.visible_vram_size;
+ return cursor.start + cursor.size <= adev->gmc.visible_vram_size;
}
/*
--
2.25.1
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