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drm/amdgpu: use new cursor in amdgpu_mem_visible

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Separate the drm_mm_node walking from the actual handling.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Oak Zeng <Oak.Zeng@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Arunpravin <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2021-02-17 14:48:07 +01:00
committed by Alex Deucher
parent 498ad8ec2f
commit 755eadf662
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@@ -441,7 +441,8 @@ error:
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;
}
/*