drm/exynos: drop struct_mutex from exynos_gem_map_sgt_with_dma

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The sg table isn't refcounted, there's no corresponding locking for
unmapping and drm_map_sg is ok with being called concurrently.

So drop the locking since it doesn't protect anything.

Cc: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-8-git-send-email-daniel.vetter@ffwll.ch

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Daniel Vetter 2016-03-30 11:40:46 +02:00

parent 91263622f1

commit 8e97d9ef36

1 changed files with 0 additions and 4 deletions

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drivers/gpu/drm/exynos/exynos_drm_gem.c

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