Re: [PATCH 0/5] Clean up TTM mmap offsets

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Am 07.02.19 um 09:59 schrieb Thomas Zimmermann:
> Almost all TTM-based drivers use the same values for the mmap-able
> range of BO addresses. Each driver therefore duplicates the
> DRM_FILE_PAGE_OFFSET constant. OTOH, the mmap range's size is not
> configurable by drivers.
>
> This patch set replaces driver-specific configuration with a single
> setup. All code is located within TTM. TTM and GEM share the same
> range for mmap-able BOs.
>
> Thomas Zimmermann (5):
>    staging/vboxvideo: Use same BO mmap offset as other drivers
>    drm/ttm: Define a single DRM_FILE_PAGE_OFFSET constant
>    drm/ttm: Remove file_page_offset parameter from ttm_bo_device_init()
>    drm/ttm: Quick-test mmap offset in ttm_bo_mmap()
>    drm: Use the same mmap-range offset and size for GEM and TTM

Reviewed-by: Christian König <christian.koenig@xxxxxxx> for the whole 
series.

Nice cleanup! Thanks,
Christian.

>
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c     | 12 ++----------
>   drivers/gpu/drm/ast/ast_drv.h               |  2 --
>   drivers/gpu/drm/ast/ast_ttm.c               | 10 ++--------
>   drivers/gpu/drm/bochs/bochs.h               |  2 --
>   drivers/gpu/drm/bochs/bochs_mm.c            | 10 ++--------
>   drivers/gpu/drm/cirrus/cirrus_drv.h         |  1 -
>   drivers/gpu/drm/cirrus/cirrus_ttm.c         | 10 ++--------
>   drivers/gpu/drm/drm_gem.c                   | 17 -----------------
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 12 ++----------
>   drivers/gpu/drm/mgag200/mgag200_drv.h       |  1 -
>   drivers/gpu/drm/mgag200/mgag200_ttm.c       | 10 ++--------
>   drivers/gpu/drm/nouveau/nouveau_drv.h       |  2 --
>   drivers/gpu/drm/nouveau/nouveau_ttm.c       |  4 ----
>   drivers/gpu/drm/qxl/qxl_drv.h               |  3 ---
>   drivers/gpu/drm/qxl/qxl_ttm.c               | 11 +++--------
>   drivers/gpu/drm/radeon/radeon_ttm.c         | 13 ++-----------
>   drivers/gpu/drm/ttm/ttm_bo.c                |  6 +++---
>   drivers/gpu/drm/ttm/ttm_bo_vm.c             |  3 +++
>   drivers/gpu/drm/virtio/virtgpu_ttm.c        |  4 +---
>   drivers/gpu/drm/vmwgfx/vmwgfx_drv.c         |  1 -
>   drivers/gpu/drm/vmwgfx/vmwgfx_drv.h         |  1 -
>   drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c    | 11 ++---------
>   drivers/staging/vboxvideo/vbox_drv.h        |  2 --
>   drivers/staging/vboxvideo/vbox_ttm.c        | 12 +++---------
>   include/drm/drm_vma_manager.h               | 12 ++++++++++++
>   include/drm/ttm/ttm_bo_driver.h             |  2 +-
>   26 files changed, 42 insertions(+), 132 deletions(-)
>

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