Re: [PATCH v2 00/21] Convert all remaining drivers to GEM object functions

Christian König
2020-09-15T15:27:58Z

Added my rb to the amdgpu and radeon patches.

Should we pick those up through the amd branches or do you want to push
everything to drm-misc-next?

I think the later since this should result in much merge clash.

Christian.

Am 15.09.20 um 16:59 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.
>
> Patches #1 to #16 and #18 to #19 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 #17 fixes virtgpu to use GEM object functions where possible. The
> driver recently introduced a function for one of the deprecated callbacks.
>
> Patch #20 converts xlnx to CMA helper macros. There's no apparent reason
> why the driver does the GEM setup on it'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
> #21.
>
> 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.
>
> v2:
> * moved code in amdgpu and radeon
> * made several functions static in various drivers
> * updated TODO-list item
> * fix virtgpu
>
> Thomas Zimmermann (21):
> 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/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/todo.rst | 7 +-
> 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/amd/amdgpu/amdgpu_object.c | 1 +
> 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 | 35 ++------
> drivers/gpu/drm/drm_gem_cma_helper.c | 6 +-
> drivers/gpu/drm/drm_prime.c | 17 ++--
> 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/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 | 10 +++
> 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 +------------------
> 57 files changed, 319 insertions(+), 349 deletions(-)
>
> --
> 2.28.0
>