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| author | Adrián Larumbe <adrian.larumbe@collabora.com> | 2026-05-22 19:51:55 +0100 |
|---|---|---|
| committer | Steven Price <steven.price@arm.com> | 2026-06-05 10:59:07 +0100 |
| commit | 6c1427fd03d8c30be810592523c5ba8fe864c2b0 (patch) | |
| tree | 06cdf523e167dba3655c8dc714f40cbbba6764ff /include/uapi/drm | |
| parent | a89d9a327d068ef29f03c74ca5d1a6cbb16aca99 (diff) | |
| download | linux-next-6c1427fd03d8c30be810592523c5ba8fe864c2b0.tar.gz linux-next-6c1427fd03d8c30be810592523c5ba8fe864c2b0.zip | |
drm/panthor: Expose GPU page sizes to UM
In future commits that will implement repeated mappings, only repeat
values multiple of GPU page sizes will be tolerated. That means these
values must be made known to UM. Do it through a queriable GPU info
value.
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://patch.msgid.link/20260522185206.2798288-2-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/panthor_drm.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/uapi/drm/panthor_drm.h b/include/uapi/drm/panthor_drm.h index 0e455d91e77d..b462752c793d 100644 --- a/include/uapi/drm/panthor_drm.h +++ b/include/uapi/drm/panthor_drm.h @@ -253,6 +253,9 @@ enum drm_panthor_dev_query_type { * @DRM_PANTHOR_DEV_QUERY_GROUP_PRIORITIES_INFO: Query allowed group priorities information. */ DRM_PANTHOR_DEV_QUERY_GROUP_PRIORITIES_INFO, + + /** @DRM_PANTHOR_DEV_QUERY_MMU_INFO: Query MMU information. */ + DRM_PANTHOR_DEV_QUERY_MMU_INFO, }; /** @@ -488,6 +491,16 @@ struct drm_panthor_timestamp_info { }; /** + * struct drm_panthor_mmu_info - MMU information + * + * Structure grouping all queryable information relating to the MMU. + */ +struct drm_panthor_mmu_info { + /** @page_size_bitmap: Allowed page sizes */ + __u64 page_size_bitmap; +}; + +/** * struct drm_panthor_group_priorities_info - Group priorities information * * Structure grouping all queryable information relating to the allowed group priorities. |