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drm/amdgpu: use cursor functions in amdgpu_bo_in_cpu_visible_vram

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One of the last remaining uses of drm_mm_node.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2021-04-27 10:29:10 +02:00 committed by Alex Deucher
parent 0ccc3ccf5b
commit 2b77ade8b9
1 changed files with 9 additions and 6 deletions
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15
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
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@ -30,6 +30,8 @@
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_res_cursor.h"
#ifdef CONFIG_MMU_NOTIFIER
#include <linux/mmu_notifier.h>
#endif
@ -215,18 +217,19 @@ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
unsigned fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;
struct drm_mm_node *node = bo->tbo.mem.mm_node;
unsigned long pages_left;
struct amdgpu_res_cursor cursor;
if (bo->tbo.mem.mem_type != TTM_PL_VRAM)
return false;
for (pages_left = bo->tbo.mem.num_pages; pages_left;
pages_left -= node->size, node++)
if (node->start < fpfn)
amdgpu_res_first(&bo->tbo.mem, 0, amdgpu_bo_size(bo), &cursor);
while (cursor.remaining) {
if (cursor.start < adev->gmc.visible_vram_size)
return true;
amdgpu_res_next(&cursor, cursor.size);
}
return false;
}