]> git.baikalelectronics.ru Git - kernel.git/commit
drm/tegra: Prevent BOs from being freed during job submission
authorDmitry Osipenko <digetx@gmail.com>
Fri, 11 Aug 2017 17:54:56 +0000 (19:54 +0200)
committerThierry Reding <treding@nvidia.com>
Thu, 17 Aug 2017 15:57:18 +0000 (17:57 +0200)
commit5d8a6c4864753a92e04f36565b761e7b155b6e59
treefd877987480f0f64a6dfdff08734d3451b878da5
parent486c6a4d4f9fad650a4c57185b741675c7acb275
drm/tegra: Prevent BOs from being freed during job submission

Since DRM IOCTL's are lockless, there is a chance that BOs could be
released while a job submission is in progress. To avoid that, keep the
GEM reference until the job has been pinned, part of which will be to
take another reference.

v2: remove redundant check and avoid memory leak

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drivers/gpu/drm/tegra/drm.c