From 22d8bfafcc12dfa17b91d2e8ae4e1898e782003a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 27 Aug 2018 13:12:19 +0200 Subject: [PATCH] drm/amdgpu: stop using gart_start as offset for the GTT domain MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Further separate GART and GTT domain. Signed-off-by: Christian König Reviewed-by: Junwei Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 3 ++- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 +++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index da7b1b92d9cf..c2539f6821c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -143,7 +143,8 @@ static int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, spin_unlock(&mgr->lock); if (!r) - mem->start = node->node.start; + mem->start = node->node.start + + (adev->gmc.gart_start >> PAGE_SHIFT); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 2f304f9dd543..5cadf4f1ee2c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -188,7 +188,7 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, case TTM_PL_TT: /* GTT memory */ man->func = &amdgpu_gtt_mgr_func; - man->gpu_offset = adev->gmc.gart_start; + man->gpu_offset = 0; man->available_caching = TTM_PL_MASK_CACHING; man->default_caching = TTM_PL_FLAG_CACHED; man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA; @@ -1062,7 +1062,7 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, flags = amdgpu_ttm_tt_pte_flags(adev, ttm, bo_mem); /* bind pages into GART page tables */ - gtt->offset = (u64)bo_mem->start << PAGE_SHIFT; + gtt->offset = ((u64)bo_mem->start << PAGE_SHIFT) - adev->gmc.gart_start; r = amdgpu_gart_bind(adev, gtt->offset, ttm->num_pages, ttm->pages, gtt->ttm.dma_address, flags); @@ -1110,7 +1110,7 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, &tmp); /* Bind pages */ - gtt->offset = (u64)tmp.start << PAGE_SHIFT; + gtt->offset = ((u64)tmp.start << PAGE_SHIFT) - adev->gmc.gart_start; r = amdgpu_ttm_gart_bind(adev, bo, flags); if (unlikely(r)) { ttm_bo_mem_put(bo, &tmp); -- 2.30.2