From e00f78679f5a3d98b650fc9397c4d358ab570725 Mon Sep 17 00:00:00 2001 From: Lizhi Hou Date: Tue, 7 Oct 2025 21:53:24 -0700 Subject: [PATCH] accel/amdxdna: Resume power for creating and destroying hardware context When the hardware is powered down by auto-suspend, creating or destroying a hardware context without resuming power will fail. Call amdxdna_pm_resume_get() before requesting the hardware to create or destroy a hardware context. Fixes: 063db451832b ("accel/amdxdna: Enhance runtime power management") Reviewed-by: Mario Limonciello (AMD) Signed-off-by: Lizhi Hou Link: https://lore.kernel.org/r/20251008045324.4171807-1-lizhi.hou@amd.com --- drivers/accel/amdxdna/aie2_ctx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c index 691fdb3b008ff..ab4d66f1325df 100644 --- a/drivers/accel/amdxdna/aie2_ctx.c +++ b/drivers/accel/amdxdna/aie2_ctx.c @@ -610,10 +610,14 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx) goto free_entity; } + ret = amdxdna_pm_resume_get(xdna); + if (ret) + goto free_col_list; + ret = aie2_alloc_resource(hwctx); if (ret) { XDNA_ERR(xdna, "Alloc hw resource failed, ret %d", ret); - goto free_col_list; + goto suspend_put; } ret = aie2_map_host_buf(xdna->dev_handle, hwctx->fw_ctx_id, @@ -628,6 +632,7 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx) XDNA_ERR(xdna, "Create syncobj failed, ret %d", ret); goto release_resource; } + amdxdna_pm_suspend_put(xdna); hwctx->status = HWCTX_STAT_INIT; ndev = xdna->dev_handle; @@ -640,6 +645,8 @@ int aie2_hwctx_init(struct amdxdna_hwctx *hwctx) release_resource: aie2_release_resource(hwctx); +suspend_put: + amdxdna_pm_suspend_put(xdna); free_col_list: kfree(hwctx->col_list); free_entity: -- 2.47.3