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drm/amdgpu: add amdgpu_gtt_node_to_byte_offset helper

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Having a helper avoids code duplication.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2026-01-28 16:47:01 +01:00 committed by Alex Deucher
parent 2e88530255
commit 866eedef4c
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
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@ -220,6 +220,14 @@ static inline u64 amdgpu_compute_gart_address(struct amdgpu_gmc *gmc,
return gmc->gart_start + entity->gart_window_offs[index];
}
/**
* amdgpu_gtt_node_to_byte_offset() - Returns a byte offset of a gtt node
*/
static inline u64 amdgpu_gtt_node_to_byte_offset(const struct drm_mm_node *gtt_node)
{
return gtt_node->start * (u64)PAGE_SIZE;
}
void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct amdgpu_hmm_range *range);
int amdgpu_ttm_tt_get_userptr(const struct ttm_buffer_object *tbo,
uint64_t *user_addr);