]> git.baikalelectronics.ru Git - kernel.git/commit
drm/etnaviv: fix MMU context leak on GPU reset
authorLucas Stach <l.stach@pengutronix.de>
Fri, 20 Aug 2021 20:18:28 +0000 (22:18 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Sep 2021 10:26:40 +0000 (12:26 +0200)
commit9f845dc5405df72246742d7c1bf441b136e6dbe0
treecb23e4c0764bc78146f07a26d680623b4ab838ba
parente5e023b5d83276bb5f7fabdc8b6aa8c18ee176d4
drm/etnaviv: fix MMU context leak on GPU reset

commit f978a5302f5566480c58ffae64a16d34456801bd upstream.

After a reset the GPU is no longer using the MMU context and may be
restarted with a different context. While the mmu_state proeprly was
cleared, the context wasn't unreferenced, leading to a memory leak.

Cc: stable@vger.kernel.org # 5.4
Reported-by: Michael Walle <michael@walle.cc>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Michael Walle <michael@walle.cc>
Tested-by: Marek Vasut <marex@denx.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/etnaviv/etnaviv_gpu.c