drm/ttm: Explain why ttm_bo_add_move_fence uses a shared slot

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Motivated because I got confused and Christian confirmed why this
works. I think this is non-obvious enough that it merits a slightly
longer comment.

Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: Christian König <ckoenig.leichtzumerken@gmail.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519082409.672016-1-daniel.vetter@ffwll.ch

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Daniel Vetter 2021-05-19 10:24:09 +02:00

parent ea8c9ed53f

commit 6d0a12c734

1 changed files with 3 additions and 1 deletions

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drivers/gpu/drm/ttm/ttm_bo.c

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