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(parent: 04bf960) | patch
drm/msm: Implement .gem_free_object_unlocked
authorKristian H. Kristensen <hoegsberg@gmail.com>
Wed, 20 Mar 2019 17:09:08 +0000 (10:09 -0700)
committerRob Clark <robdclark@chromium.org>
Fri, 19 Apr 2019 18:50:06 +0000 (11:50 -0700)
commit96f73c8b4486df61af9566265ed1d843b290f349
treecf683d683a70b760650865d44656a699cccf9deftree | snapshot
parent04bf9608194f4aec164cf3014b46d02aab6613fbcommit | diff
drm/msm: Implement .gem_free_object_unlocked

We use a llist and a worker to delay the object cleanup. This avoids
taking mmap_sem and struct_mutex in the wrong order when calling
drm_gem_object_put_unlocked() from drm_gem_mmap().

Fixes lockdep problem with copy_from_user() in msm_ioctl_gem_submit().

Signed-off-by: Kristian H. Kristensen <hoegsberg@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
drivers/gpu/drm/msm/msm_drv.c diff | blob | history
drivers/gpu/drm/msm/msm_drv.h diff | blob | history
drivers/gpu/drm/msm/msm_gem.c diff | blob | history
drivers/gpu/drm/msm/msm_gem.h diff | blob | history
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