From: Peter Zijlstra Date: Tue, 21 Apr 2020 10:09:13 +0000 (+0200) Subject: sched,drm/scheduler: Convert to sched_set_fifo*() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7b31e940b17bc47ca2f5e332c166231f01317469;p=linux.git sched,drm/scheduler: Convert to sched_set_fifo*() Because SCHED_FIFO is a broken scheduler model (see previous patches) take away the priority field, the kernel can't possibly make an informed decision. In this case, use fifo_low, because it only cares about being above SCHED_NORMAL. Effectively no change in behaviour. Cc: alexander.deucher@amd.com Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Ingo Molnar --- diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 2f319102ae9f7..17cf77e2c4e51 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -760,11 +760,10 @@ static bool drm_sched_blocked(struct drm_gpu_scheduler *sched) */ static int drm_sched_main(void *param) { - struct sched_param sparam = {.sched_priority = 1}; struct drm_gpu_scheduler *sched = (struct drm_gpu_scheduler *)param; int r; - sched_setscheduler(current, SCHED_FIFO, &sparam); + sched_set_fifo_low(current); while (!kthread_should_stop()) { struct drm_sched_entity *entity = NULL;