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drm/amdgpu: add userqueue suspend/resume functions

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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@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Arvind Yadav <arvind.yadav@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shashank Sharma 2024-06-03 11:13:03 +02:00 committed by Alex Deucher
parent fb796c3087
commit 30e4d78138
2 changed files with 38 additions and 0 deletions
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33
drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c
View File

@ -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,
};

5
drivers/gpu/drm/amd/include/amdgpu_userqueue.h
View File

@ -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 */