[PATCH v3 00/22] Convert all remaining drivers to GEM object functions
Thomas Zimmermann
tzimmermann at suse.de
Fri Sep 25 08:40:10 UTC 2020
Hi
Am 23.09.20 um 16:33 schrieb Christian König:
> Feel free to add an Acked-by: Christian König <christian.koenig at amd.com>
> to all patches which I haven't explicitly reviewed.
Done, thanks.
>
> I would say we should just push this to drm-misc-next now.
It's merged now.
Best regards
Thomas
>
> Thanks for the nice cleanup,
> Christian.
>
> Am 23.09.20 um 12:21 schrieb Thomas Zimmermann:
>> The GEM and PRIME related callbacks in struct drm_driver are
>> deprecated in
>> favor of GEM object functions in struct drm_gem_object_funcs. This
>> patchset
>> converts the remaining drivers to object functions and removes most of
>> the
>> obsolete interfaces.
>>
>> Version 3 of this patchset mostly fixes drm_gem_prime_handle_to_fd and
>> updates i.MX's dcss driver. The driver was missing from earlier versions
>> and still needs review.
>>
>> Patches #1 to #6, #8 to #17 and #19 to #20 convert DRM drivers to GEM
>> object
>> functions, one by one. Each patch moves existing callbacks from struct
>> drm_driver to an instance of struct drm_gem_object_funcs, and sets these
>> funcs when the GEM object is initialized. The expection is
>> .gem_prime_mmap.
>> There are different ways of how drivers implement the callback, and
>> moving
>> it to GEM object functions requires a closer review for each.
>>
>> Patch #18 fixes virtgpu to use GEM object functions where possible. The
>> driver recently introduced a function for one of the deprecated
>> callbacks.
>>
>> Patches #7 and #20 convert i.MX's dcss and xlnx to CMA helper macros.
>> There's
>> no apparent reason why the drivers do the GEM setup on their's own.
>> Using CMA
>> helper macros adds GEM object functions implicitly.
>>
>> With most of the GEM and PRIME moved to GEM object functions, related
>> code
>> in struct drm_driver and in the DRM core/helpers is being removed by
>> patch
>> #22.
>>
>> Further testing is welcome. I tested the drivers for which I have HW
>> available. These are gma500, i915, nouveau, radeon and vc4. The console,
>> Weston and Xorg apparently work with the patches applied.
>>
>> v3:
>> * restore default call to drm_gem_prime_export() in
>> drm_gem_prime_handle_to_fd()
>> * return -ENOSYS if get_sg_table is not set
>> * drop all checks for obj->funcs
>> * clean up TODO list and documentation
>> v2:
>> * moved code in amdgpu and radeon
>> * made several functions static in various drivers
>> * updated TODO-list item
>> * fix virtgpu
>>
>> Thomas Zimmermann (22):
>> drm/amdgpu: Introduce GEM object functions
>> drm/armada: Introduce GEM object functions
>> drm/etnaviv: Introduce GEM object functions
>> drm/exynos: Introduce GEM object functions
>> drm/gma500: Introduce GEM object functions
>> drm/i915: Introduce GEM object functions
>> drm/imx/dcss: Initialize DRM driver instance with CMA helper macro
>> drm/mediatek: Introduce GEM object functions
>> drm/msm: Introduce GEM object funcs
>> drm/nouveau: Introduce GEM object functions
>> drm/omapdrm: Introduce GEM object functions
>> drm/pl111: Introduce GEM object functions
>> drm/radeon: Introduce GEM object functions
>> drm/rockchip: Convert to drm_gem_object_funcs
>> drm/tegra: Introduce GEM object functions
>> drm/vc4: Introduce GEM object functions
>> drm/vgem: Introduce GEM object functions
>> drm/virtgpu: Set PRIME export function in struct drm_gem_object_funcs
>> drm/vkms: Introduce GEM object functions
>> drm/xen: Introduce GEM object functions
>> drm/xlnx: Initialize DRM driver instance with CMA helper macro
>> drm: Remove obsolete GEM and PRIME callbacks from struct drm_driver
>>
>> Documentation/gpu/drm-mm.rst | 4 +-
>> Documentation/gpu/todo.rst | 9 +-
>> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 --
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 23 +++--
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | 5 --
>> drivers/gpu/drm/armada/armada_drv.c | 3 -
>> drivers/gpu/drm/armada/armada_gem.c | 12 ++-
>> drivers/gpu/drm/armada/armada_gem.h | 2 -
>> drivers/gpu/drm/drm_gem.c | 53 ++++--------
>> drivers/gpu/drm/drm_gem_cma_helper.c | 8 +-
>> drivers/gpu/drm/drm_prime.c | 14 +--
>> drivers/gpu/drm/etnaviv/etnaviv_drv.c | 13 ---
>> drivers/gpu/drm/etnaviv/etnaviv_drv.h | 1 -
>> drivers/gpu/drm/etnaviv/etnaviv_gem.c | 19 ++++-
>> drivers/gpu/drm/exynos/exynos_drm_drv.c | 10 ---
>> drivers/gpu/drm/exynos/exynos_drm_gem.c | 15 ++++
>> drivers/gpu/drm/gma500/framebuffer.c | 2 +
>> drivers/gpu/drm/gma500/gem.c | 18 +++-
>> drivers/gpu/drm/gma500/gem.h | 3 +
>> drivers/gpu/drm/gma500/psb_drv.c | 9 --
>> drivers/gpu/drm/gma500/psb_drv.h | 2 -
>> drivers/gpu/drm/i915/gem/i915_gem_object.c | 21 ++++-
>> drivers/gpu/drm/i915/gem/i915_gem_object.h | 3 -
>> drivers/gpu/drm/i915/i915_drv.c | 4 -
>> .../gpu/drm/i915/selftests/mock_gem_device.c | 3 -
>> drivers/gpu/drm/imx/dcss/dcss-kms.c | 14 +--
>> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 --
>> drivers/gpu/drm/mediatek/mtk_drm_gem.c | 11 +++
>> drivers/gpu/drm/msm/msm_drv.c | 13 ---
>> drivers/gpu/drm/msm/msm_drv.h | 1 -
>> drivers/gpu/drm/msm/msm_gem.c | 19 ++++-
>> drivers/gpu/drm/nouveau/nouveau_drm.c | 9 --
>> drivers/gpu/drm/nouveau/nouveau_gem.c | 13 +++
>> drivers/gpu/drm/nouveau/nouveau_gem.h | 2 +
>> drivers/gpu/drm/nouveau/nouveau_prime.c | 2 +
>> drivers/gpu/drm/omapdrm/omap_drv.c | 9 --
>> drivers/gpu/drm/omapdrm/omap_gem.c | 18 +++-
>> drivers/gpu/drm/omapdrm/omap_gem.h | 2 -
>> drivers/gpu/drm/pl111/pl111_drv.c | 5 +-
>> drivers/gpu/drm/radeon/radeon_drv.c | 23 +----
>> drivers/gpu/drm/radeon/radeon_gem.c | 31 ++++++-
>> drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 5 --
>> drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 12 ++-
>> drivers/gpu/drm/tegra/drm.c | 4 -
>> drivers/gpu/drm/tegra/gem.c | 8 ++
>> drivers/gpu/drm/vc4/vc4_bo.c | 21 ++++-
>> drivers/gpu/drm/vc4/vc4_drv.c | 12 ---
>> drivers/gpu/drm/vc4/vc4_drv.h | 1 -
>> drivers/gpu/drm/vgem/vgem_drv.c | 21 +++--
>> drivers/gpu/drm/virtio/virtgpu_drv.c | 1 -
>> drivers/gpu/drm/virtio/virtgpu_object.c | 1 +
>> drivers/gpu/drm/vkms/vkms_drv.c | 8 --
>> drivers/gpu/drm/vkms/vkms_gem.c | 13 +++
>> drivers/gpu/drm/xen/xen_drm_front.c | 44 ++++------
>> drivers/gpu/drm/xen/xen_drm_front.h | 2 +
>> drivers/gpu/drm/xen/xen_drm_front_gem.c | 15 ++++
>> drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 14 +--
>> include/drm/drm_drv.h | 85 +------------------
>> include/drm/drm_gem.h | 2 +-
>> 59 files changed, 333 insertions(+), 375 deletions(-)
>>
>> --
>> 2.28.0
>>
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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