Add interfaces for user application to submit command and wait for its
completion.
Co-developed-by: Min Ma <min...@amd.com>
Signed-off-by: Min Ma <min...@amd.com>
Signed-off-by: Lizhi Hou <lizhi....@amd.com>
---
drivers/accel/amdxdna/aie2_ctx.c | 664 +++++++++++++++++-
drivers/accel/amdxdna/aie2_message.c | 343 +++++++++
drivers/accel/amdxdna/aie2_pci.c | 5 +
drivers/accel/amdxdna/aie2_pci.h | 35 +
drivers/accel/amdxdna/aie2_psp.c | 2 +
drivers/accel/amdxdna/aie2_smu.c | 2 +
drivers/accel/amdxdna/amdxdna_ctx.c | 330 ++++++++-
drivers/accel/amdxdna/amdxdna_ctx.h | 111 +++
drivers/accel/amdxdna/amdxdna_gem.c | 10 +
drivers/accel/amdxdna/amdxdna_gem.h | 1 +
.../accel/amdxdna/amdxdna_mailbox_helper.c | 5 +
drivers/accel/amdxdna/amdxdna_pci_drv.c | 5 +
drivers/accel/amdxdna/amdxdna_pci_drv.h | 4 +
drivers/accel/amdxdna/amdxdna_sysfs.c | 5 +
drivers/accel/amdxdna/npu1_regs.c | 1 +
drivers/accel/amdxdna/npu2_regs.c | 1 +
drivers/accel/amdxdna/npu4_regs.c | 1 +
drivers/accel/amdxdna/npu5_regs.c | 1 +
include/trace/events/amdxdna.h | 41 ++
include/uapi/drm/amdxdna_accel.h | 38 +
20 files changed, 1596 insertions(+), 9 deletions(-)
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index 617fc05077d9..c3ac668e16ab 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -8,8 +8,12 @@
#include <drm/drm_gem.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_print.h>
+#include <drm/drm_syncobj.h>
+#include <linux/hmm.h>
#include <linux/types.h>
+#include <trace/events/amdxdna.h>
+#include "aie2_msg_priv.h"
#include "aie2_pci.h"
#include "aie2_solver.h"
#include "amdxdna_ctx.h"
@@ -17,6 +21,337 @@
#include "amdxdna_mailbox.h"
#include "amdxdna_pci_drv.h"
+bool force_cmdlist;
+module_param(force_cmdlist, bool, 0600);
+MODULE_PARM_DESC(force_cmdlist, "Force use command list (Default false)");
+
+#define HWCTX_MAX_TIMEOUT 60000 /* milliseconds */
+
+static struct amdxdna_sched_job *
+aie2_hwctx_get_job(struct amdxdna_hwctx *hwctx, u64 seq)
+{
+ int idx;
+
+ /* Special sequence number for oldest fence if exist */
+ if (seq == AMDXDNA_INVALID_CMD_HANDLE) {
+ idx = get_job_idx(hwctx->priv->seq);
+ goto out;
+ }
+
+ if (seq >= hwctx->priv->seq)
+ return ERR_PTR(-EINVAL);
+
+ if (seq + HWCTX_MAX_CMDS < hwctx->priv->seq)
+ return NULL;
+
+ idx = get_job_idx(seq);
+
+out:
+ return hwctx->priv->pending[idx];
+}
+
+/* The bad_job is used in aie2_sched_job_timedout, otherwise, set it to NULL */
+static void aie2_hwctx_stop(struct amdxdna_dev *xdna, struct amdxdna_hwctx
*hwctx,
+ struct drm_sched_job *bad_job)
+{
+ drm_sched_stop(&hwctx->priv->sched, bad_job);
+ aie2_destroy_context(xdna->dev_handle, hwctx);
+}
+
+static int aie2_hwctx_restart(struct amdxdna_dev *xdna, struct amdxdna_hwctx
*hwctx)
+{
+ struct amdxdna_gem_obj *heap = hwctx->priv->heap;
+ int ret;
+
+ ret = aie2_create_context(xdna->dev_handle, hwctx);
+ if (ret) {
+ XDNA_ERR(xdna, "Create hwctx failed, ret %d", ret);
+ goto out;
+ }
+
+ ret = aie2_map_host_buf(xdna->dev_handle, hwctx->fw_ctx_id,
+ heap->mem.userptr, heap->mem.size);
+ if (ret) {
+ XDNA_ERR(xdna, "Map host buf failed, ret %d", ret);
+ goto out;
+ }
+
+ if (hwctx->status != HWCTX_STAT_READY) {
+ XDNA_DBG(xdna, "hwctx is not ready, status %d", hwctx->status);
+ goto out;
+ }
+
+ ret = aie2_config_cu(hwctx);
+ if (ret) {
+ XDNA_ERR(xdna, "Config cu failed, ret %d", ret);
+ goto out;
+ }
+
+out:
+ drm_sched_start(&hwctx->priv->sched);
+ XDNA_DBG(xdna, "%s restarted, ret %d", hwctx->name, ret);
+ return ret;
+}
+
+void aie2_stop_ctx_by_col_map(struct amdxdna_client *client, u32 col_map)
+{
+ struct amdxdna_dev *xdna = client->xdna;
+ struct amdxdna_hwctx *hwctx;
+ int next = 0;
+
+ drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock));
+ mutex_lock(&client->hwctx_lock);
+ idr_for_each_entry_continue(&client->hwctx_idr, hwctx, next) {
+ /* check if the HW context uses the error column */
+ if (!(col_map & amdxdna_hwctx_col_map(hwctx)))
+ continue;
+
+ aie2_hwctx_stop(xdna, hwctx, NULL);
+ hwctx->old_status = hwctx->status;
+ hwctx->status = HWCTX_STAT_STOP;
+ XDNA_DBG(xdna, "Stop %s", hwctx->name);
+ }
+ mutex_unlock(&client->hwctx_lock);
+}
+
+void aie2_restart_ctx(struct amdxdna_client *client)
+{
+ struct amdxdna_dev *xdna = client->xdna;
+ struct amdxdna_hwctx *hwctx;
+ int next = 0;
+
+ drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock));
+ mutex_lock(&client->hwctx_lock);
+ idr_for_each_entry_continue(&client->hwctx_idr, hwctx, next) {
+ if (hwctx->status != HWCTX_STAT_STOP)
+ continue;
+
+ hwctx->status = hwctx->old_status;
+ XDNA_DBG(xdna, "Resetting %s", hwctx->name);
+ aie2_hwctx_restart(xdna, hwctx);
+ }
+ mutex_unlock(&client->hwctx_lock);
+}
+
+static int aie2_hwctx_wait_for_idle(struct amdxdna_hwctx *hwctx)
+{
+ struct amdxdna_sched_job *job;
+
+ mutex_lock(&hwctx->priv->io_lock);
+ if (!hwctx->priv->seq) {
+ mutex_unlock(&hwctx->priv->io_lock);
+ return 0;
+ }
+
+ job = aie2_hwctx_get_job(hwctx, hwctx->priv->seq - 1);
+ if (IS_ERR_OR_NULL(job)) {
+ mutex_unlock(&hwctx->priv->io_lock);
+ XDNA_WARN(hwctx->client->xdna, "Corrupted pending list");
+ return 0;
+ }
+ mutex_unlock(&hwctx->priv->io_lock);
+
+ wait_event(hwctx->priv->job_free_wq, !job->fence);
+
+ return 0;
+}
+
+static void
+aie2_sched_notify(struct amdxdna_sched_job *job)
+{
+ struct dma_fence *fence = job->fence;
+
+ job->hwctx->priv->completed++;
+ dma_fence_signal(fence);
+ trace_xdna_job(&job->base, job->hwctx->name, "signaled fence",
job->seq);
+ dma_fence_put(fence);
+ mmput(job->mm);
+ amdxdna_job_put(job);
+}
+
+static int
+aie2_sched_resp_handler(void *handle, const u32 *data, size_t size)
+{
+ struct amdxdna_sched_job *job = handle;
+ struct amdxdna_gem_obj *cmd_abo;
+ u32 ret = 0;
+ u32 status;
+
+ cmd_abo = job->cmd_bo;
+
+ if (unlikely(!data))
+ goto out;
+
+ if (unlikely(size != sizeof(u32))) {
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_ABORT);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ status = *data;
+ XDNA_DBG(job->hwctx->client->xdna, "Resp status 0x%x", status);
+ if (status == AIE2_STATUS_SUCCESS)
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_COMPLETED);
+ else
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_ERROR);
+
+out:
+ aie2_sched_notify(job);
+ return ret;
+}
+
+static int
+aie2_sched_nocmd_resp_handler(void *handle, const u32 *data, size_t size)
+{
+ struct amdxdna_sched_job *job = handle;
+ u32 ret = 0;
+ u32 status;
+
+ if (unlikely(!data))
+ goto out;
+
+ if (unlikely(size != sizeof(u32))) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ status = *data;
+ XDNA_DBG(job->hwctx->client->xdna, "Resp status 0x%x", status);
+
+out:
+ aie2_sched_notify(job);
+ return ret;
+}
+
+static int
+aie2_sched_cmdlist_resp_handler(void *handle, const u32 *data, size_t size)
+{
+ struct amdxdna_sched_job *job = handle;
+ struct amdxdna_gem_obj *cmd_abo;
+ struct cmd_chain_resp *resp;
+ struct amdxdna_dev *xdna;
+ u32 fail_cmd_status;
+ u32 fail_cmd_idx;
+ u32 ret = 0;
+
+ cmd_abo = job->cmd_bo;
+ if (unlikely(!data) || unlikely(size != sizeof(u32) * 3)) {
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_ABORT);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ resp = (struct cmd_chain_resp *)data;
+ xdna = job->hwctx->client->xdna;
+ XDNA_DBG(xdna, "Status 0x%x", resp->status);
+ if (resp->status == AIE2_STATUS_SUCCESS) {
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_COMPLETED);
+ goto out;
+ }
+
+ /* Slow path to handle error, read from ringbuf on BAR */
+ fail_cmd_idx = resp->fail_cmd_idx;
+ fail_cmd_status = resp->fail_cmd_status;
+ XDNA_DBG(xdna, "Failed cmd idx %d, status 0x%x",
+ fail_cmd_idx, fail_cmd_status);
+
+ if (fail_cmd_status == AIE2_STATUS_SUCCESS) {
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_ABORT);
+ ret = -EINVAL;
+ goto out;
+ }
+ amdxdna_cmd_set_state(cmd_abo, fail_cmd_status);
+
+ if (amdxdna_cmd_get_op(cmd_abo) == ERT_CMD_CHAIN) {
+ struct amdxdna_cmd_chain *cc = amdxdna_cmd_get_payload(cmd_abo,
NULL);
+
+ cc->error_index = fail_cmd_idx;
+ if (cc->error_index >= cc->command_count)
+ cc->error_index = 0;
+ }
+out:
+ aie2_sched_notify(job);
+ return ret;
+}
+
+static struct dma_fence *
+aie2_sched_job_run(struct drm_sched_job *sched_job)
+{
+ struct amdxdna_sched_job *job = drm_job_to_xdna_job(sched_job);
+ struct amdxdna_gem_obj *cmd_abo = job->cmd_bo;
+ struct amdxdna_hwctx *hwctx = job->hwctx;
+ struct dma_fence *fence;
+ int ret;
+
+ if (!mmget_not_zero(job->mm))
+ return ERR_PTR(-ESRCH);
+
+ kref_get(&job->refcnt);
+ fence = dma_fence_get(job->fence);
+
+ if (unlikely(!cmd_abo)) {
+ ret = aie2_sync_bo(hwctx, job, aie2_sched_nocmd_resp_handler);
+ goto out;
+ }
+
+ amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_NEW);
+
+ if (amdxdna_cmd_get_op(cmd_abo) == ERT_CMD_CHAIN)
+ ret = aie2_cmdlist_multi_execbuf(hwctx, job,
aie2_sched_cmdlist_resp_handler);
+ else if (force_cmdlist)
+ ret = aie2_cmdlist_single_execbuf(hwctx, job,
aie2_sched_cmdlist_resp_handler);
+ else
+ ret = aie2_execbuf(hwctx, job, aie2_sched_resp_handler);
+
+out:
+ if (ret) {
+ dma_fence_put(job->fence);
+ amdxdna_job_put(job);
+ mmput(job->mm);
+ fence = ERR_PTR(ret);
+ }
+ trace_xdna_job(sched_job, hwctx->name, "sent to device", job->seq);
+
+ return fence;
+}
+
+static void aie2_sched_job_free(struct drm_sched_job *sched_job)
+{
+ struct amdxdna_sched_job *job = drm_job_to_xdna_job(sched_job);
+ struct amdxdna_hwctx *hwctx = job->hwctx;
+
+ trace_xdna_job(sched_job, hwctx->name, "job free", job->seq);
+ drm_sched_job_cleanup(sched_job);
+ job->fence = NULL;
+ amdxdna_job_put(job);
+
+ wake_up(&hwctx->priv->job_free_wq);
+}
+
+static enum drm_gpu_sched_stat
+aie2_sched_job_timedout(struct drm_sched_job *sched_job)
+{
+ struct amdxdna_sched_job *job = drm_job_to_xdna_job(sched_job);
+ struct amdxdna_hwctx *hwctx = job->hwctx;
+ struct amdxdna_dev *xdna;
+
+ xdna = hwctx->client->xdna;
+ trace_xdna_job(sched_job, hwctx->name, "job timedout", job->seq);
+ mutex_lock(&xdna->dev_lock);
+ aie2_hwctx_stop(xdna, hwctx, sched_job);
+
+ aie2_hwctx_restart(xdna, hwctx);
+ mutex_unlock(&xdna->dev_lock);
+
+ return DRM_GPU_SCHED_STAT_NOMINAL;
+}
+
+const struct drm_sched_backend_ops sched_ops = {
+ .run_job = aie2_sched_job_run,
+ .free_job = aie2_sched_job_free,
+ .timedout_job = aie2_sched_job_timedout,
+};
+
static int aie2_hwctx_col_list(struct amdxdna_hwctx *hwctx)
{
struct amdxdna_dev *xdna = hwctx->client->xdna;
@@ -126,13 +461,66 @@ static void aie2_release_resource(struct amdxdna_hwctx
*hwctx)
XDNA_ERR(xdna, "Release AIE resource failed, ret %d", ret);
}
+static int aie2_ctx_syncobj_create(struct amdxdna_hwctx *hwctx)
+{
+ struct amdxdna_dev *xdna = hwctx->client->xdna;
+ struct drm_file *filp = hwctx->client->filp;
+ struct drm_syncobj *syncobj;
+ u32 hdl;
+ int ret;
+
+ hwctx->syncobj_hdl = AMDXDNA_INVALID_FENCE_HANDLE;
+
+ ret = drm_syncobj_create(&syncobj, DRM_SYNCOBJ_CREATE_SIGNALED, NULL);
+ if (ret) {
+ XDNA_ERR(xdna, "Create ctx syncobj failed, ret %d", ret);
+ return ret;
+ }
+ ret = drm_syncobj_get_handle(filp, syncobj, &hdl);
+ if (ret) {
+ drm_syncobj_put(syncobj);
+ XDNA_ERR(xdna, "Create ctx syncobj handle failed, ret %d", ret);
+ return ret;
+ }
+ hwctx->priv->syncobj = syncobj;
+ hwctx->syncobj_hdl = hdl;
+
+ return 0;
+}
+
+static void aie2_ctx_syncobj_destroy(struct amdxdna_hwctx *hwctx)
+{
+ /*
+ * The syncobj_hdl is owned by user space and will be cleaned up
+ * separately.
+ */
+ drm_syncobj_put(hwctx->priv->syncobj);
+}
+
+static void aie2_ctx_syncobj_add_fence(struct amdxdna_hwctx *hwctx,
+ struct dma_fence *ofence, u64 seq)
+{
+ struct drm_syncobj *syncobj = hwctx->priv->syncobj;
+ struct dma_fence_chain *chain;
+
+ if (!syncobj)
+ return;
+
+ chain = dma_fence_chain_alloc();
+ if (!chain)
+ return;
+
+ drm_syncobj_add_point(syncobj, chain, ofence, seq);
+}
+
int aie2_hwctx_init(struct amdxdna_hwctx *hwctx)
{
struct amdxdna_client *client = hwctx->client;
struct amdxdna_dev *xdna = client->xdna;
+ struct drm_gpu_scheduler *sched;
struct amdxdna_hwctx_priv *priv;
struct amdxdna_gem_obj *heap;
- int ret;
+ int i, ret;
priv = kzalloc(sizeof(*hwctx->priv), GFP_KERNEL);
if (!priv)
@@ -157,10 +545,48 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx)
goto put_heap;
}
+ for (i = 0; i < ARRAY_SIZE(priv->cmd_buf); i++) {
+ struct amdxdna_gem_obj *abo;
+ struct amdxdna_drm_create_bo args = {
+ .flags = 0,
+ .type = AMDXDNA_BO_DEV,
+ .vaddr = 0,
+ .size = MAX_CHAIN_CMDBUF_SIZE,
+ };
+
+ abo = amdxdna_drm_alloc_dev_bo(&xdna->ddev, &args,
client->filp, true);
+ if (IS_ERR(abo)) {
+ ret = PTR_ERR(abo);
+ goto free_cmd_bufs;
+ }
+
+ XDNA_DBG(xdna, "Command buf %d addr 0x%llx size 0x%lx",
+ i, abo->mem.dev_addr, abo->mem.size);
+ priv->cmd_buf[i] = abo;
+ }
+
+ sched = &priv->sched;
+ mutex_init(&priv->io_lock);
+ ret = drm_sched_init(sched, &sched_ops, NULL, DRM_SCHED_PRIORITY_COUNT,
+ HWCTX_MAX_CMDS, 0,
msecs_to_jiffies(HWCTX_MAX_TIMEOUT),
+ NULL, NULL, hwctx->name, xdna->ddev.dev);
+ if (ret) {
+ XDNA_ERR(xdna, "Failed to init DRM scheduler. ret %d", ret);
+ goto free_cmd_bufs;
+ }
+
+ ret = drm_sched_entity_init(&priv->entity, DRM_SCHED_PRIORITY_NORMAL,
+ &sched, 1, NULL);
+ if (ret) {
+ XDNA_ERR(xdna, "Failed to initial sched entiry. ret %d", ret);
+ goto free_sched;
+ }
+ init_waitqueue_head(&priv->job_free_wq);
+
ret = aie2_hwctx_col_list(hwctx);
if (ret) {
XDNA_ERR(xdna, "Create col list failed, ret %d", ret);
- goto unpin;
+ goto free_entity;
}
ret = aie2_alloc_resource(hwctx);
@@ -175,6 +601,13 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx)
XDNA_ERR(xdna, "Map host buffer failed, ret %d", ret);
goto release_resource;
}
+
+ ret = aie2_ctx_syncobj_create(hwctx);
+ if (ret) {
+ XDNA_ERR(xdna, "Create syncobj failed, ret %d", ret);
+ goto release_resource;
+ }
+
hwctx->status = HWCTX_STAT_INIT;
XDNA_DBG(xdna, "hwctx %s init completed", hwctx->name);
@@ -185,7 +618,16 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx)
aie2_release_resource(hwctx);
free_col_list:
kfree(hwctx->col_list);
-unpin:
+free_entity:
+ drm_sched_entity_destroy(&priv->entity);
+free_sched:
+ drm_sched_fini(&priv->sched);
+free_cmd_bufs:
+ for (i = 0; i < ARRAY_SIZE(priv->cmd_buf); i++) {
+ if (!priv->cmd_buf[i])
+ continue;
+ drm_gem_object_put(to_gobj(priv->cmd_buf[i]));
+ }
amdxdna_gem_unpin(heap);
put_heap:
drm_gem_object_put(to_gobj(heap));
@@ -196,11 +638,44 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx)
void aie2_hwctx_fini(struct amdxdna_hwctx *hwctx)
{
+ struct amdxdna_sched_job *job;
+ struct amdxdna_dev *xdna;
+ int idx;
+
+ xdna = hwctx->client->xdna;
+ aie2_ctx_syncobj_destroy(hwctx);
+ drm_sched_wqueue_stop(&hwctx->priv->sched);
+
+ /* Now, scheduler will not send command to device. */
aie2_release_resource(hwctx);
+ /*
+ * All submitted commands are aborted.
+ * Restart scheduler queues to cleanup jobs. The amdxdna_sched_job_run()
+ * will return NODEV if it is called.
+ */
+ drm_sched_wqueue_start(&hwctx->priv->sched);
+
+ aie2_hwctx_wait_for_idle(hwctx);
+ drm_sched_entity_destroy(&hwctx->priv->entity);
+ drm_sched_fini(&hwctx->priv->sched);
+
+ for (idx = 0; idx < HWCTX_MAX_CMDS; idx++) {
+ job = hwctx->priv->pending[idx];
+ if (!job)
+ continue;
+
+ dma_fence_put(job->out_fence);
+ amdxdna_job_put(job);
+ }
+ XDNA_DBG(xdna, "%s sequence number %lld", hwctx->name,
hwctx->priv->seq);
+
+ for (idx = 0; idx < ARRAY_SIZE(hwctx->priv->cmd_buf); idx++)
+ drm_gem_object_put(to_gobj(hwctx->priv->cmd_buf[idx]));
amdxdna_gem_unpin(hwctx->priv->heap);
drm_gem_object_put(to_gobj(hwctx->priv->heap));
+ mutex_destroy(&hwctx->priv->io_lock);
kfree(hwctx->col_list);
kfree(hwctx->priv);
kfree(hwctx->cus);
@@ -267,3 +742,186 @@ int aie2_hwctx_config(struct amdxdna_hwctx *hwctx, u32
type, u64 value, void *bu
return -EOPNOTSUPP;
}
}
+
+static int aie2_populate_range(struct amdxdna_gem_obj *abo)
+{
+ struct amdxdna_dev *xdna = to_xdna_dev(to_gobj(abo)->dev);
+ struct mm_struct *mm = abo->mem.notifier.mm;
+ struct hmm_range range = { 0 };
+ unsigned long timeout;
+ int ret;
+
+ XDNA_INFO_ONCE(xdna, "populate memory range %llx size %lx",
+ abo->mem.userptr, abo->mem.size);
+ range.notifier = &abo->mem.notifier;
+ range.start = abo->mem.userptr;
+ range.end = abo->mem.userptr + abo->mem.size;
+ range.hmm_pfns = abo->mem.pfns;
+ range.default_flags = HMM_PFN_REQ_FAULT;
+
+ if (!mmget_not_zero(mm))
+ return -EFAULT;
+
+ timeout = jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
+again:
+ range.notifier_seq = mmu_interval_read_begin(&abo->mem.notifier);
+ mmap_read_lock(mm);
+ ret = hmm_range_fault(&range);
+ mmap_read_unlock(mm);
+ if (ret) {
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIME;
+ goto put_mm;
+ }
+
+ if (ret == -EBUSY)
+ goto again;
+
+ goto put_mm;
+ }
+
+ mutex_lock(&abo->mem.notify_lock);
+ if (mmu_interval_read_retry(&abo->mem.notifier, range.notifier_seq)) {
+ mutex_unlock(&abo->mem.notify_lock);
+ goto again;
+ }
+ abo->mem.map_invalid = false;
+ mutex_unlock(&abo->mem.notify_lock);
+
+put_mm:
+ mmput(mm);
+ return ret;
+}
+
+static int aie2_hwctx_push_job(struct amdxdna_sched_job *job, u64 *seq)
+{
+ struct amdxdna_hwctx *hwctx = job->hwctx;
+ struct amdxdna_sched_job *other;
+ struct dma_fence *fence;
+ long ret;
+ int idx;
+
+again:
+ mutex_lock(&hwctx->priv->io_lock);
+ idx = get_job_idx(hwctx->priv->seq);
+ /* When pending list full, hwctx->seq points to oldest fence */
+ other = hwctx->priv->pending[idx];
+ if (other && !dma_fence_is_signaled(other->out_fence)) {
+ fence = dma_fence_get(other->out_fence);
+ mutex_unlock(&hwctx->priv->io_lock);
+
+ ret = dma_fence_wait_timeout(fence, true, MAX_SCHEDULE_TIMEOUT);
+ dma_fence_put(fence);
+ if (!ret)
+ return -ETIME;
+ else if (ret < 0)
+ return ret;
+ goto again;
+ }
+
+ if (other) {
+ dma_fence_put(other->out_fence);
+ amdxdna_job_put(other);
+ }
+
+ hwctx->priv->pending[idx] = job;
+ job->seq = hwctx->priv->seq++;
+ *seq = job->seq;
+ kref_get(&job->refcnt);
+
+ fence = dma_fence_get(job->out_fence);
+ drm_sched_entity_push_job(&job->base);
+ mutex_unlock(&hwctx->priv->io_lock);
+
+ aie2_ctx_syncobj_add_fence(hwctx, fence, *seq);
+ dma_fence_put(fence);
+ return 0;
+}
+
+int aie2_cmd_submit(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job
*job, u64 *seq)
+{
+ struct amdxdna_dev *xdna = hwctx->client->xdna;
+ struct ww_acquire_ctx acquire_ctx;
+ struct amdxdna_gem_obj *abo;
+ unsigned long timeout = 0;
+ int ret, i;
+
+ ret = drm_sched_job_init(&job->base, &hwctx->priv->entity, 1, hwctx);
+ if (ret) {
+ XDNA_ERR(xdna, "DRM job init failed, ret %d", ret);
+ return ret;
+ }
+
+ drm_sched_job_arm(&job->base);
