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authorEmil Velikov <emil.l.velikov@gmail.com>2015-03-07 00:58:39 +0000
committerEmil Velikov <emil.l.velikov@gmail.com>2015-03-10 18:14:40 +0000
commit0ca03a4087a550646de7f26b6b53a932e8546474 (patch)
tree38eb3eca83bdd1260767a437b1482a6d5bd9c736 /linux/i810_bufs.c
parentb374a59e0e2ef52fed737f6db9ee1e40caca46ea (diff)
drm: add drmGet(Primary|Render)DeviceNameFromFd functions
Currently most places assume reliable primary(master) <> render node mapping. Although this may work in some cases, it is not correct. Add a couple of helpers that hide the details and provide the name of the master or render device name, given an fd. The latter may belong to either the master, control or render node device. v2: - Rename Device and Primary to Master (aka the /dev/dri/cardX device). - Check for the file via readdir_r() rather than stat(). - Wrap the check into a single function. - Return NULL for non-linux platforms. v3: - Don't segfault if name is NULL. - Update function names, as suggested by Frank Binns. v4: - Update commit message to reflect the function name changes. Cc: Frank Binns <frank.binns@imgtec.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Herrmann <dh.herrmann@googlemail.com> Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Frank Binns <frank.binns@imgtec.com>
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