diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0024-drm-amdgpu-add-entity-only-when-first-job-come.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0024-drm-amdgpu-add-entity-only-when-first-job-come.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0024-drm-amdgpu-add-entity-only-when-first-job-come.patch b/common/recipes-kernel/linux/files/0024-drm-amdgpu-add-entity-only-when-first-job-come.patch new file mode 100644 index 00000000..659bbaf0 --- /dev/null +++ b/common/recipes-kernel/linux/files/0024-drm-amdgpu-add-entity-only-when-first-job-come.patch @@ -0,0 +1,67 @@ +From 090a50215bda6e62ddd9514d6f1ab0ba972b87bd Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <David1.Zhou@amd.com> +Date: Fri, 11 Dec 2015 18:22:52 +0800 +Subject: [PATCH 0024/1110] drm/amdgpu: add entity only when first job come +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +umd somtimes will create a context for every ring, +that means some entities wouldn't be used at all. + +Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 13 ++++++++----- + 1 file changed, 8 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +index 5ace1a7..8b2becd 100644 +--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c ++++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +@@ -47,6 +47,8 @@ static void amd_sched_rq_init(struct amd_sched_rq *rq) + static void amd_sched_rq_add_entity(struct amd_sched_rq *rq, + struct amd_sched_entity *entity) + { ++ if (!list_empty(&entity->list)) ++ return; + spin_lock(&rq->lock); + list_add_tail(&entity->list, &rq->entities); + spin_unlock(&rq->lock); +@@ -55,6 +57,8 @@ static void amd_sched_rq_add_entity(struct amd_sched_rq *rq, + static void amd_sched_rq_remove_entity(struct amd_sched_rq *rq, + struct amd_sched_entity *entity) + { ++ if (list_empty(&entity->list)) ++ return; + spin_lock(&rq->lock); + list_del_init(&entity->list); + if (rq->current_entity == entity) +@@ -138,9 +142,6 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched, + atomic_set(&entity->fence_seq, 0); + entity->fence_context = fence_context_alloc(1); + +- /* Add the entity to the run queue */ +- amd_sched_rq_add_entity(rq, entity); +- + return 0; + } + +@@ -302,9 +303,11 @@ static bool amd_sched_entity_in(struct amd_sched_job *sched_job) + spin_unlock(&entity->queue_lock); + + /* first job wakes up scheduler */ +- if (first) ++ if (first) { ++ /* Add the entity to the run queue */ ++ amd_sched_rq_add_entity(entity->rq, entity); + amd_sched_wakeup(sched); +- ++ } + return added; + } + +-- +2.7.4 + |