This patch adds userqueue suspend/resume functions at
core MES V11 IP level.
V2: use true/false for queue_active status (Christian)
added Christian's R-B
V3: reset/set queue status in mqd.create and mqd.destroy
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Christian Koenig <christian.koenig@xxxxxxx>
Reviewed-by: Christian Koenig <christian.koenig@xxxxxxx>
Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxx>
Signed-off-by: Arvind Yadav <arvind.yadav@xxxxxxx>
---
.../gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c | 33 +++++++++++++++++++
.../gpu/drm/amd/include/amdgpu_userqueue.h | 5 +++
2 files changed, 38 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
index b3aa49ff1a87..51c9a215ae77 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
@@ -331,6 +331,7 @@ static int mes_v11_0_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr,
goto free_ctx;
}
+ queue->queue_active = true;
return 0;
free_ctx:
@@ -354,9 +355,41 @@ mes_v11_0_userq_mqd_destroy(struct amdgpu_userq_mgr *uq_mgr,
amdgpu_userqueue_destroy_object(uq_mgr, &queue->fw_obj);
kfree(queue->userq_prop);
amdgpu_userqueue_destroy_object(uq_mgr, &queue->mqd);
+ queue->queue_active = false;
+}
+
+static int mes_v11_0_userq_suspend(struct amdgpu_userq_mgr *uq_mgr,
+ struct amdgpu_usermode_queue *queue)
+{
+ if (queue->queue_active) {
+ mes_v11_0_userq_unmap(uq_mgr, queue);
+ queue->queue_active = false;
+ }
+
+ return 0;
+}
+
+static int mes_v11_0_userq_resume(struct amdgpu_userq_mgr *uq_mgr,
+ struct amdgpu_usermode_queue *queue)
+{
+ int ret;
+
+ if (queue->queue_active)
+ return 0;
+
+ ret = mes_v11_0_userq_map(uq_mgr, queue, queue->userq_prop);
+ if (ret) {
+ DRM_ERROR("Failed to resume queue\n");
+ return ret;
+ }
+
+ queue->queue_active = true;
+ return 0;
}
const struct amdgpu_userq_funcs userq_mes_v11_0_funcs = {
.mqd_create = mes_v11_0_userq_mqd_create,
.mqd_destroy = mes_v11_0_userq_mqd_destroy,
+ .suspend = mes_v11_0_userq_suspend,
+ .resume = mes_v11_0_userq_resume,
};
diff --git a/drivers/gpu/drm/amd/include/amdgpu_userqueue.h b/drivers/gpu/drm/amd/include/amdgpu_userqueue.h
index 77a33f9e37f8..37be29048f42 100644
--- a/drivers/gpu/drm/amd/include/amdgpu_userqueue.h
+++ b/drivers/gpu/drm/amd/include/amdgpu_userqueue.h
@@ -37,6 +37,7 @@ struct amdgpu_userq_obj {
struct amdgpu_usermode_queue {
int queue_type;
+ uint8_t queue_active;
uint64_t doorbell_handle;
uint64_t doorbell_index;
uint64_t flags;
@@ -57,6 +58,10 @@ struct amdgpu_userq_funcs {
struct amdgpu_usermode_queue *queue);
void (*mqd_destroy)(struct amdgpu_userq_mgr *uq_mgr,
struct amdgpu_usermode_queue *uq);
+ int (*suspend)(struct amdgpu_userq_mgr *uq_mgr,
+ struct amdgpu_usermode_queue *queue);
+ int (*resume)(struct amdgpu_userq_mgr *uq_mgr,
+ struct amdgpu_usermode_queue *queue);
};
/* Usermode queues for gfx */
--
2.45.1
