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Received: from BN8PR12MB3587.namprd12.prod.outlook.com (2603:10b6:408:43::13) by MN2PR12MB2912.namprd12.prod.outlook.com (2603:10b6:208:ac::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4930.18; Fri, 28 Jan 2022 08:41:21 +0000 Received: from BN8PR12MB3587.namprd12.prod.outlook.com ([fe80::d8e7:e6b0:d63c:4a21]) by BN8PR12MB3587.namprd12.prod.outlook.com ([fe80::d8e7:e6b0:d63c:4a21%5]) with mapi id 15.20.4909.019; Fri, 28 Jan 2022 08:41:21 +0000 Message-ID: Date: Fri, 28 Jan 2022 09:41:14 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH 00/14] Rename dma-buf-map Content-Language: en-US To: Lucas De Marchi , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: srinivas.kandagatla@linaro.org, gregkh@linuxfoundation.org, sumit.semwal@linaro.org, daniel.vetter@ffwll.ch, airlied@linux.ie, lyude@redhat.com, tzimmermann@suse.de, linux-media@vger.kernel.org, nouveau@lists.freedesktop.org References: <20220128083626.3012259-1-lucas.demarchi@intel.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= In-Reply-To: <20220128083626.3012259-1-lucas.demarchi@intel.com> Content-Type: text/plain; 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Because of this all those patches needs to be squashed into a single one as far as I can see. Regards, Christian. Am 28.01.22 um 09:36 schrieb Lucas De Marchi: > Motivation for this started in > https://lore.kernel.org/lkml/20220126203702.1784589-1-lucas.demarchi@intel.com/ > when trying to extend the dma-buf-map API to cover new use cases: help a > single driver with allocations and sharing code paths for IO and system > memory. I'm leaving the API additions aside and first renaming the > interface as requested. > > There are already some users in tree outside the context of dma-buf > importer/exporter. So before extending the API, let's dissociate it from > dma-buf. > > The iosys-map.h is introduced in the first patch in a way that allows > the conversion of each driver to happen separately. After all the > conversions are done we can remove the old one, which is the last patch. > Another possible way is to squash everything and merge together, > but I believe this would make much harder for review. > > The conversion was done with the following semantic patch: > > @r1@ > @@ > - struct dma_buf_map > + struct iosys_map > > @r2@ > @@ > ( > - DMA_BUF_MAP_INIT_VADDR > + IOSYS_MAP_INIT_VADDR > | > - dma_buf_map_set_vaddr > + iosys_map_set_vaddr > | > - dma_buf_map_set_vaddr_iomem > + iosys_map_set_vaddr_iomem > | > - dma_buf_map_is_equal > + iosys_map_is_equal > | > - dma_buf_map_is_null > + iosys_map_is_null > | > - dma_buf_map_is_set > + iosys_map_is_set > | > - dma_buf_map_clear > + iosys_map_clear > | > - dma_buf_map_memcpy_to > + iosys_map_memcpy_to > | > - dma_buf_map_incr > + iosys_map_incr > ) > > @@ > @@ > - #include > + #include > > and then some files had their includes adjusted so we can build > everything on each commit in this series. Also some comments were update > to remove mentions to dma-buf-map. Simply doing a sed to rename didn't > work as dma-buf has some APIs using the dma_buf_map prefix. > > Once finalized, I think most of this, if not all, could go through the > drm-misc-next branch. I split i915, msm, nouveau, and radeon in their > own patches in case it's preferred to take those through their own > trees. > > Lucas De Marchi > > Lucas De Marchi (14): > iosys-map: Introduce renamed dma-buf-map > misc: fastrpc: Replace dma-buf-map with iosys-map > dma-buf: Replace dma-buf-map with iosys-map > media: Replace dma-buf-map with iosys-map > drm/ttm: Replace dma-buf-map with iosys-map > drm: Replace dma-buf-map with iosys-map in drivers > drm/i915: Replace dma-buf-map with iosys-map > drm/msm: Replace dma-buf-map with iosys-map > drm/nouveau: Replace dma-buf-map with iosys-map > drm/tegra: Replace dma-buf-map with iosys-map > drm/radeon: Replace dma-buf-map with iosys-map > drm: Replace dma-buf-map with iosys-map in common code > Documentation: Refer to iosys-map instead of dma-buf-map > dma-buf-map: Remove API in favor of iosys-map > > Documentation/driver-api/dma-buf.rst | 4 +- > Documentation/gpu/todo.rst | 20 +- > MAINTAINERS | 2 +- > drivers/dma-buf/dma-buf.c | 22 +- > drivers/dma-buf/heaps/cma_heap.c | 10 +- > drivers/dma-buf/heaps/system_heap.c | 10 +- > drivers/gpu/drm/ast/ast_drv.h | 2 +- > drivers/gpu/drm/ast/ast_mode.c | 8 +- > drivers/gpu/drm/drm_cache.c | 18 +- > drivers/gpu/drm/drm_client.c | 9 +- > drivers/gpu/drm/drm_fb_helper.c | 12 +- > drivers/gpu/drm/drm_gem.c | 12 +- > drivers/gpu/drm/drm_gem_cma_helper.c | 9 +- > drivers/gpu/drm/drm_gem_framebuffer_helper.c | 16 +- > drivers/gpu/drm/drm_gem_shmem_helper.c | 15 +- > drivers/gpu/drm/drm_gem_ttm_helper.c | 4 +- > drivers/gpu/drm/drm_gem_vram_helper.c | 25 +- > drivers/gpu/drm/drm_internal.h | 6 +- > drivers/gpu/drm/drm_mipi_dbi.c | 8 +- > drivers/gpu/drm/drm_prime.c | 4 +- > drivers/gpu/drm/etnaviv/etnaviv_drv.h | 2 +- > drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 8 +- > drivers/gpu/drm/gud/gud_pipe.c | 4 +- > drivers/gpu/drm/hyperv/hyperv_drm_modeset.c | 5 +- > drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 8 +- > .../drm/i915/gem/selftests/i915_gem_dmabuf.c | 6 +- > .../gpu/drm/i915/gem/selftests/mock_dmabuf.c | 6 +- > drivers/gpu/drm/lima/lima_gem.c | 3 +- > drivers/gpu/drm/lima/lima_sched.c | 4 +- > drivers/gpu/drm/mediatek/mtk_drm_gem.c | 7 +- > drivers/gpu/drm/mediatek/mtk_drm_gem.h | 5 +- > drivers/gpu/drm/mgag200/mgag200_mode.c | 4 +- > drivers/gpu/drm/msm/msm_drv.h | 4 +- > drivers/gpu/drm/msm/msm_gem_prime.c | 6 +- > drivers/gpu/drm/nouveau/nouveau_gem.c | 2 + > drivers/gpu/drm/panfrost/panfrost_perfcnt.c | 13 +- > drivers/gpu/drm/qxl/qxl_display.c | 8 +- > drivers/gpu/drm/qxl/qxl_draw.c | 6 +- > drivers/gpu/drm/qxl/qxl_drv.h | 10 +- > drivers/gpu/drm/qxl/qxl_object.c | 8 +- > drivers/gpu/drm/qxl/qxl_object.h | 4 +- > drivers/gpu/drm/qxl/qxl_prime.c | 4 +- > drivers/gpu/drm/radeon/radeon_gem.c | 1 + > drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 9 +- > drivers/gpu/drm/rockchip/rockchip_drm_gem.h | 5 +- > drivers/gpu/drm/tegra/gem.c | 10 +- > drivers/gpu/drm/tiny/cirrus.c | 8 +- > drivers/gpu/drm/tiny/gm12u320.c | 7 +- > drivers/gpu/drm/ttm/ttm_bo_util.c | 16 +- > drivers/gpu/drm/ttm/ttm_resource.c | 26 +- > drivers/gpu/drm/ttm/ttm_tt.c | 6 +- > drivers/gpu/drm/udl/udl_modeset.c | 3 +- > drivers/gpu/drm/vboxvideo/vbox_mode.c | 4 +- > drivers/gpu/drm/virtio/virtgpu_prime.c | 1 + > drivers/gpu/drm/vkms/vkms_composer.c | 4 +- > drivers/gpu/drm/vkms/vkms_drv.h | 6 +- > drivers/gpu/drm/vkms/vkms_plane.c | 2 +- > drivers/gpu/drm/vkms/vkms_writeback.c | 2 +- > drivers/gpu/drm/xen/xen_drm_front_gem.c | 7 +- > drivers/gpu/drm/xen/xen_drm_front_gem.h | 6 +- > .../common/videobuf2/videobuf2-dma-contig.c | 8 +- > .../media/common/videobuf2/videobuf2-dma-sg.c | 9 +- > .../common/videobuf2/videobuf2-vmalloc.c | 11 +- > drivers/misc/fastrpc.c | 4 +- > include/drm/drm_cache.h | 6 +- > include/drm/drm_client.h | 7 +- > include/drm/drm_gem.h | 6 +- > include/drm/drm_gem_atomic_helper.h | 6 +- > include/drm/drm_gem_cma_helper.h | 6 +- > include/drm/drm_gem_framebuffer_helper.h | 8 +- > include/drm/drm_gem_shmem_helper.h | 12 +- > include/drm/drm_gem_ttm_helper.h | 6 +- > include/drm/drm_gem_vram_helper.h | 9 +- > include/drm/drm_prime.h | 6 +- > include/drm/ttm/ttm_bo_api.h | 10 +- > include/drm/ttm/ttm_kmap_iter.h | 10 +- > include/drm/ttm/ttm_resource.h | 6 +- > include/linux/dma-buf-map.h | 266 ------------------ > include/linux/dma-buf.h | 12 +- > include/linux/iosys-map.h | 257 +++++++++++++++++ > 80 files changed, 579 insertions(+), 552 deletions(-) > delete mode 100644 include/linux/dma-buf-map.h > create mode 100644 include/linux/iosys-map.h >