34318b808e
Video device has to provide a lock so that __video_do_ioctl() can serialize IOCTL calls. Introduce a dedicated venus_inst mutex for the purpose of vb2 operations synchronization. Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Stanimir Varbanov <stanimir.k.varbanov@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>