Commit 2b77ade8 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: use cursor functions in amdgpu_bo_in_cpu_visible_vram 



One of the last remaining uses of drm_mm_node.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Tested-by: default avatarNirmoy Das <nirmoy.das@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0ccc3ccf

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

+9 −6
Original line number Diff line number Diff line
@@ -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;

}