[PATCH 5/5] 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 --- drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 137145dd14a9..dc8d9f3216fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -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) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index e38e6db8f760..854421af1982 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -982,7 +982,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev, } gtt->ttm.ttm.func = &amdgpu_backend_func; gtt->adev = adev; - 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; } @@ -1008,7 +1008,8 @@ 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; }