]> git.baikalelectronics.ru Git - kernel.git/commit
drm/vma_manage: Drop has_offset
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 30 Mar 2016 09:40:52 +0000 (11:40 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 20 Apr 2016 10:58:53 +0000 (12:58 +0200)
commite649b32d85cd6467f8115a3dd7b8d1b7dd41ddaa
tree0be631b837de2a008461d8a18072922ecdf69c0a
parentecebffbebed98cbd849ee20b2a4e5c95328ecdef
drm/vma_manage: Drop has_offset

It's racy, creating mmap offsets is a slowpath, so better to remove it
to avoid drivers doing broken things.

The only user is i915, and it's ok there because everything (well
almost) is protected by dev->struct_mutex in i915-gem.

While at it add a note in the create_mmap_offset kerneldoc that
drivers must release it again. And then I also noticed that
drm_gem_object_release entirely lacks kerneldoc.

Cc: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-14-git-send-email-daniel.vetter@ffwll.ch
drivers/gpu/drm/drm_gem.c
drivers/gpu/drm/i915/i915_gem.c
include/drm/drm_vma_manager.h