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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: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-02-23 16:08:51 +01:00 committed by Alex Deucher
parent 75a57669cb
commit e89d0d332b
2 changed files with 4 additions and 3 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
View File

@ -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)

5
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -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;
}