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drm/exynos: drop struct_mutex from exynos_gem_map_sgt_with_dma
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 30 Mar 2016 09:40:46 +0000 (11:40 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 20 Apr 2016 10:57:54 +0000 (12:57 +0200)
commit8e97d9ef362e65f2533366527cdafa1842dab201
treecbcc24e8193b0c71a5af524c1c5d1fbe1b69b5a1tree | snapshot (tar.gz zip)
parent91263622f1184b7650cac10f70b08aa7f142f900commit | diff
drm/exynos: drop struct_mutex from exynos_gem_map_sgt_with_dma

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
drivers/gpu/drm/exynos/exynos_drm_gem.c diff | blob | blame | history