On Mon, 11 May 2020 11:35:45 +0200 Daniel Vetter <daniel.vetter@xxxxxxxx> wrote: > Hi all, > > I've started this a while ago, with the idea to move shmem helpers over > to dma_resv_lock. Big prep work for that was to untangle the layering > between functions called by drivers, and functions used to implement > drm_gem_object_funcs. > > I didn't ever get to the locking part, but I think the cleanup here are > worth it stand-alone still. > > Comments, review and testing very much welcome. > > Cheers, Daniel > > Daniel Vetter (9): > drm/msm: Don't call dma_buf_vunmap without _vmap > drm/gem: WARN if drm_gem_get_pages is called on a private obj > drm/doc: Some polish for shmem helpers > drm/virtio: Call the right shmem helpers > drm/udl: Don't call get/put_pages on imported dma-buf > drm/shmem-helpers: Don't call get/put_pages on imported dma-buf in > vmap > drm/shmem-helpers: Redirect mmap for imported dma-buf > drm/shmem-helpers: Ensure get_pages is not called on imported dma-buf > drm/shmem-helpers: Simplify dma-buf importing With the fix suggested on patch 9 (or something similar to initialize pages_use_count to 1 when importing a dma-buf), this patchset seems to work on panfrost: Tested-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> > > Documentation/gpu/drm-kms-helpers.rst | 12 --- > Documentation/gpu/drm-mm.rst | 12 +++ > drivers/gpu/drm/drm_gem.c | 8 ++ > drivers/gpu/drm/drm_gem_shmem_helper.c | 128 ++++++++++++++---------- > drivers/gpu/drm/msm/msm_gem.c | 3 +- > drivers/gpu/drm/udl/udl_gem.c | 22 ++-- > drivers/gpu/drm/virtio/virtgpu_object.c | 2 +- > 7 files changed, 111 insertions(+), 76 deletions(-) > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
