[PATCH 0/5] Clean up TTM mmap offsets

Hans de Goede hdegoede at redhat.com
Mon Mar 11 16:39:31 UTC 2019


Hi,

On 07-02-19 09:59, Thomas Zimmermann wrote:
> 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

Note I'm about to push a patch-series to drm-misc-next which moves
vboxvideo out of staging and I see that this series has not landed
in drm-misc-next yet, so it will needs to be rebased.

Regards,

Hans



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