Tested-by: Mike Lothian <mike@xxxxxxxxxxxxxx> Fixes https://gitlab.freedesktop.org/drm/amd/-/issues/1405 Can we make sure this gets into rc1? On Tue, 17 Nov 2020 at 15:02, Nirmoy <nirmodas@xxxxxxx> wrote: > > Tested-by: Nirmoy Das <nirmoy.das@xxxxxxx > > Tested on commit 96fb3cbef165db97c999a02efe2287ba4b8c1ceb (HEAD, > drm-misc/drm-misc-next) > > > > On 11/16/20 8:14 PM, Christian König wrote: > > Reorder the code to fix checking if blitting is available. > > > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> > > Fixes: f5a89a5cae81 drm/amdgpu/ttm: use multihop > > --- > > drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 53 +++++++++++-------------- > > 1 file changed, 23 insertions(+), 30 deletions(-) > > > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > > index 676fb520e044..c438d290a6db 100644 > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > > @@ -551,25 +551,12 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, > > struct ttm_resource *old_mem = &bo->mem; > > int r; > > > > - if ((old_mem->mem_type == TTM_PL_SYSTEM && > > - new_mem->mem_type == TTM_PL_VRAM) || > > - (old_mem->mem_type == TTM_PL_VRAM && > > - new_mem->mem_type == TTM_PL_SYSTEM)) { > > - hop->fpfn = 0; > > - hop->lpfn = 0; > > - hop->mem_type = TTM_PL_TT; > > - hop->flags = 0; > > - return -EMULTIHOP; > > - } > > - > > if (new_mem->mem_type == TTM_PL_TT) { > > r = amdgpu_ttm_backend_bind(bo->bdev, bo->ttm, new_mem); > > if (r) > > return r; > > } > > > > - amdgpu_bo_move_notify(bo, evict, new_mem); > > - > > /* Can't move a pinned BO */ > > abo = ttm_to_amdgpu_bo(bo); > > if (WARN_ON_ONCE(abo->tbo.pin_count > 0)) > > @@ -579,24 +566,23 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, > > > > if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) { > > ttm_bo_move_null(bo, new_mem); > > - return 0; > > + goto out; > > } > > if (old_mem->mem_type == TTM_PL_SYSTEM && > > new_mem->mem_type == TTM_PL_TT) { > > ttm_bo_move_null(bo, new_mem); > > - return 0; > > + goto out; > > } > > - > > if (old_mem->mem_type == TTM_PL_TT && > > new_mem->mem_type == TTM_PL_SYSTEM) { > > r = ttm_bo_wait_ctx(bo, ctx); > > if (r) > > - goto fail; > > + return r; > > > > amdgpu_ttm_backend_unbind(bo->bdev, bo->ttm); > > ttm_resource_free(bo, &bo->mem); > > ttm_bo_assign_mem(bo, new_mem); > > - return 0; > > + goto out; > > } > > > > if (old_mem->mem_type == AMDGPU_PL_GDS || > > @@ -607,27 +593,37 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, > > new_mem->mem_type == AMDGPU_PL_OA) { > > /* Nothing to save here */ > > ttm_bo_move_null(bo, new_mem); > > - return 0; > > + goto out; > > } > > > > - if (!adev->mman.buffer_funcs_enabled) { > > + if (adev->mman.buffer_funcs_enabled) { > > + if (((old_mem->mem_type == TTM_PL_SYSTEM && > > + new_mem->mem_type == TTM_PL_VRAM) || > > + (old_mem->mem_type == TTM_PL_VRAM && > > + new_mem->mem_type == TTM_PL_SYSTEM))) { > > + hop->fpfn = 0; > > + hop->lpfn = 0; > > + hop->mem_type = TTM_PL_TT; > > + hop->flags = 0; > > + return -EMULTIHOP; > > + } > > + > > + r = amdgpu_move_blit(bo, evict, new_mem, old_mem); > > + } else { > > r = -ENODEV; > > - goto memcpy; > > } > > > > - r = amdgpu_move_blit(bo, evict, new_mem, old_mem); > > if (r) { > > -memcpy: > > /* Check that all memory is CPU accessible */ > > if (!amdgpu_mem_visible(adev, old_mem) || > > !amdgpu_mem_visible(adev, new_mem)) { > > pr_err("Move buffer fallback to memcpy unavailable\n"); > > - goto fail; > > + return r; > > } > > > > r = ttm_bo_move_memcpy(bo, ctx, new_mem); > > if (r) > > - goto fail; > > + return r; > > } > > > > if (bo->type == ttm_bo_type_device && > > @@ -639,14 +635,11 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, > > abo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; > > } > > > > +out: > > /* update statistics */ > > atomic64_add((u64)bo->num_pages << PAGE_SHIFT, &adev->num_bytes_moved); > > + amdgpu_bo_move_notify(bo, evict, new_mem); > > return 0; > > -fail: > > - swap(*new_mem, bo->mem); > > - amdgpu_bo_move_notify(bo, false, new_mem); > > - swap(*new_mem, bo->mem); > > - return r; > > } > > > > /** > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
