diff options
| author | Lizhi Hou <lizhi.hou@amd.com> | 2025-12-17 20:17:19 +0300 |
|---|---|---|
| committer | Lizhi Hou <lizhi.hou@amd.com> | 2025-12-18 21:36:44 +0300 |
| commit | 332070795bd96193756cb4446eddc3ec9ff6a0e8 (patch) | |
| tree | 745d96ec5887b94bd98e2dd516c6a940e736cb6b | |
| parent | 7818618a09a06320f409571bf28801ccfe7e0a30 (diff) | |
| download | linux-332070795bd96193756cb4446eddc3ec9ff6a0e8.tar.xz | |
accel/amdxdna: Enable hardware context priority
Newer firmware supports hardware context priority. Set the priority based
on application input.
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20251217171719.2139025-1-lizhi.hou@amd.com
| -rw-r--r-- | drivers/accel/amdxdna/aie2_message.c | 23 | ||||
| -rw-r--r-- | drivers/accel/amdxdna/aie2_msg_priv.h | 5 | ||||
| -rw-r--r-- | include/uapi/drm/amdxdna_accel.h | 8 |
3 files changed, 35 insertions, 1 deletions
diff --git a/drivers/accel/amdxdna/aie2_message.c b/drivers/accel/amdxdna/aie2_message.c index e77a353cadc5..051f4ceaabae 100644 --- a/drivers/accel/amdxdna/aie2_message.c +++ b/drivers/accel/amdxdna/aie2_message.c @@ -205,6 +205,27 @@ static int aie2_destroy_context_req(struct amdxdna_dev_hdl *ndev, u32 id) return ret; } + +static u32 aie2_get_context_priority(struct amdxdna_dev_hdl *ndev, + struct amdxdna_hwctx *hwctx) +{ + if (!AIE2_FEATURE_ON(ndev, AIE2_PREEMPT)) + return PRIORITY_HIGH; + + switch (hwctx->qos.priority) { + case AMDXDNA_QOS_REALTIME_PRIORITY: + return PRIORITY_REALTIME; + case AMDXDNA_QOS_HIGH_PRIORITY: + return PRIORITY_HIGH; + case AMDXDNA_QOS_NORMAL_PRIORITY: + return PRIORITY_NORMAL; + case AMDXDNA_QOS_LOW_PRIORITY: + return PRIORITY_LOW; + default: + return PRIORITY_HIGH; + } +} + int aie2_create_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx) { DECLARE_AIE2_MSG(create_ctx, MSG_OP_CREATE_CONTEXT); @@ -221,7 +242,7 @@ int aie2_create_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwct req.num_unused_col = hwctx->num_unused_col; req.num_cq_pairs_requested = 1; req.pasid = hwctx->client->pasid; - req.context_priority = 2; + req.context_priority = aie2_get_context_priority(ndev, hwctx); ret = aie2_send_mgmt_msg_wait(ndev, &msg); if (ret) diff --git a/drivers/accel/amdxdna/aie2_msg_priv.h b/drivers/accel/amdxdna/aie2_msg_priv.h index cc912b7899ce..728ef56f7f0a 100644 --- a/drivers/accel/amdxdna/aie2_msg_priv.h +++ b/drivers/accel/amdxdna/aie2_msg_priv.h @@ -108,6 +108,11 @@ struct cq_pair { struct cq_info i2x_q; }; +#define PRIORITY_REALTIME 1 +#define PRIORITY_HIGH 2 +#define PRIORITY_NORMAL 3 +#define PRIORITY_LOW 4 + struct create_ctx_req { __u32 aie_type; __u8 start_col; diff --git a/include/uapi/drm/amdxdna_accel.h b/include/uapi/drm/amdxdna_accel.h index 62c917fd4f7b..9c44db2b3dcd 100644 --- a/include/uapi/drm/amdxdna_accel.h +++ b/include/uapi/drm/amdxdna_accel.h @@ -19,6 +19,14 @@ extern "C" { #define AMDXDNA_INVALID_BO_HANDLE 0 #define AMDXDNA_INVALID_FENCE_HANDLE 0 +/* + * Define hardware context priority + */ +#define AMDXDNA_QOS_REALTIME_PRIORITY 0x100 +#define AMDXDNA_QOS_HIGH_PRIORITY 0x180 +#define AMDXDNA_QOS_NORMAL_PRIORITY 0x200 +#define AMDXDNA_QOS_LOW_PRIORITY 0x280 + enum amdxdna_device_type { AMDXDNA_DEV_TYPE_UNKNOWN = -1, AMDXDNA_DEV_TYPE_KMQ, |