• Lucas Stach's avatar
    drm/etnaviv: replace hangcheck with scheduler timeout · 6d7a20c0
    Lucas Stach authored
    This replaces the etnaviv internal hangcheck logic with the job timeout
    handling provided by the DRM scheduler. This simplifies the driver further
    and allows to replay jobs after a GPU reset, so only minimal state is lost.
    
    This introduces a user-visible change in that we don't allow jobs to run
    indefinitely as long as they make progress anymore, as this introduces
    quality of service issues when multiple processes are using the GPU.
    Userspace is now responsible to flush jobs in a way that the finish in a
    reasonable time, where reasonable is currently defined as less than 500ms.
    Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
    6d7a20c0
etnaviv_gpu.c 45.6 KB