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Commit e89d0d33 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: stop allocating a page array for prime shared BOs 



We don't need the page array for prime shared BOs, stop allocating it.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarRoger He <Hongbo.He@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 75a57669

drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c

+1 −1
Original line number Diff line number Diff line
@@ -315,7 +315,7 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, 
	t = offset / AMDGPU_GPU_PAGE_SIZE;

	p = t / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);

	for (i = 0; i < pages; i++, p++)

		adev->gart.pages[p] = pagelist[i];

		adev->gart.pages[p] = pagelist ? pagelist[i] : NULL;

#endif



	if (!adev->gart.ptr)

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

+3 −2
Original line number Diff line number Diff line
@@ -995,7 +995,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev, 
		return NULL;

	}

	gtt->ttm.ttm.func = &amdgpu_backend_func;

	if (ttm_dma_tt_init(&gtt->ttm, bdev, size, page_flags)) {

	if (ttm_sg_tt_init(&gtt->ttm, bdev, size, page_flags)) {

		kfree(gtt);

		return NULL;

	}
@@ -1021,7 +1021,8 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm, 


	if (slave && ttm->sg) {

		drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,

						 gtt->ttm.dma_address, ttm->num_pages);

						 gtt->ttm.dma_address,

						 ttm->num_pages);

		ttm->state = tt_unbound;

		return 0;

	}