From c9f0fe5e19ec485476c3b22e9265016b96c813ef Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Mon, 31 Aug 2015 15:46:12 +0800 Subject: [PATCH] drm/amdgpu: make wait_event uninterruptible in push_job MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit with interruptible, the push_job maybe return -ERESTARTSYS, then result in push_job error. E.g. bug trace: [ 181.618860] *****amdgpu_copy_buffer:fence->seq:0x0000000048d8758b, contxt:1207959552, ref:683967304, r:-512 [ 181.618929] BUG: unable to handle kernel paging request at ffffffff811aa266 [ 181.625887] IP: [] reservation_object_add_excl_fence+0x3c/0x120 ... [ 181.859767] [] ? unmap_mapping_range+0x66/0x110 [ 181.865928] [] ttm_bo_move_accel_cleanup+0x41/0x3c0 [ttm] [ 181.872971] [] amdgpu_move_blit.isra.18+0x122/0x150 [amdgpu] [ 181.880254] [] ? unmap_mapping_range+0x66/0x110 [ 181.886420] [] amdgpu_bo_move+0xa9/0x200 [amdgpu] [ 181.892753] [] ttm_bo_handle_move_mem+0x26d/0x5c0 [ttm] Signed-off-by: Chunming Zhou Reviewed-by: Christian König --- drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 2f5d1f0..ab8577f 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -264,7 +264,6 @@ int amd_sched_entity_push_job(struct amd_sched_job *sched_job) struct amd_sched_entity *entity = sched_job->s_entity; struct amd_sched_fence *fence = amd_sched_fence_create( entity, sched_job->owner); - int r; if (!fence) return -ENOMEM; @@ -272,10 +271,10 @@ int amd_sched_entity_push_job(struct amd_sched_job *sched_job) fence_get(&fence->base); sched_job->s_fence = fence; - r = wait_event_interruptible(entity->scheduler->job_scheduled, - amd_sched_entity_in(sched_job)); + wait_event(entity->scheduler->job_scheduled, + amd_sched_entity_in(sched_job)); - return r; + return 0; } /** -- 2.7.4