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authorShashank Sharma <[email protected]>2024-06-03 09:13:03 +0000
committerAlex Deucher <[email protected]>2025-04-08 20:48:18 +0000
commit30e4d781385dda92fdee574b0a95094dfa143b52 (patch)
tree7927a34a40fe504ca18da64e0239a19380ce86e6
parentdrm/amdgpu: add gfx eviction fence helpers (diff)
downloadkernel-30e4d781385dda92fdee574b0a95094dfa143b52.tar.gz
kernel-30e4d781385dda92fdee574b0a95094dfa143b52.zip
drm/amdgpu: add userqueue suspend/resume functions
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 <[email protected]> Cc: Christian Koenig <[email protected]> Reviewed-by: Christian Koenig <[email protected]> Signed-off-by: Shashank Sharma <[email protected]> Signed-off-by: Arvind Yadav <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c33
-rw-r--r--drivers/gpu/drm/amd/include/amdgpu_userqueue.h5
2 files changed, 38 insertions, 0 deletions
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 fe4efe5ba6ac..ee0a757fcfa3 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 b942f3f5ea35..ede0178e0332 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 */