From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 104EBC4167B for ; Fri, 11 Dec 2020 07:30:03 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B1F8B23B26 for ; Fri, 11 Dec 2020 07:30:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1F8B23B26 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6EF3F6EC80; Fri, 11 Dec 2020 07:29:51 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 010656EC81 for ; Fri, 11 Dec 2020 07:29:45 +0000 (UTC) IronPort-SDR: ggEQ7PhHHq8Kqj4VxltRL/TDCw/t3klgsicDUwPcki+6qYcIXpsgCcqCtU+KbGysYusIj2pWbN lxdyE344qFtw== X-IronPort-AV: E=McAfee;i="6000,8403,9831"; a="174506398" X-IronPort-AV: E=Sophos;i="5.78,410,1599548400"; d="scan'208";a="174506398" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2020 23:29:44 -0800 IronPort-SDR: 8C0FDf0012lXW3HBIOz77hoKVwbKMCtNl4pqm9ZoxSHRCP4gpUF3ARtd+h9JVHaBdOQkt+ybMU 8NzoWBUmmpjA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,410,1599548400"; d="scan'208";a="409063282" Received: from sean-virtualbox.fm.intel.com ([10.105.158.96]) by orsmga001.jf.intel.com with ESMTP; 10 Dec 2020 23:29:44 -0800 From: "Huang, Sean Z" To: Intel-gfx@lists.freedesktop.org Date: Thu, 10 Dec 2020 23:28:55 -0800 Message-Id: <20201211072911.27403-6-sean.z.huang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201211072911.27403-1-sean.z.huang@intel.com> References: <20201211072911.27403-1-sean.z.huang@intel.com> Subject: [Intel-gfx] [RFC-v7 05/21] drm/i915/pxp: Func to send hardware session termination X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Implement the functions to allow PXP to send a GPU command, in order to terminate the hardware session, so hardware can recycle this session slot for the next usage. Signed-off-by: Huang, Sean Z --- drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c | 156 +++++++++++++++++++++++ drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h | 18 +++ 3 files changed, 175 insertions(+) create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 2c84f75b41da..abe52189986a 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -259,6 +259,7 @@ i915-y += i915_perf.o i915-$(CONFIG_DRM_I915_PXP) += \ pxp/intel_pxp.o \ pxp/intel_pxp_arb.o \ + pxp/intel_pxp_cmd.o \ pxp/intel_pxp_context.o \ pxp/intel_pxp_tee.o diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c b/drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c new file mode 100644 index 000000000000..e531ea9f3cdc --- /dev/null +++ b/drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c @@ -0,0 +1,156 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright(c) 2020, Intel Corporation. All rights reserved. + */ + +#include "intel_pxp_cmd.h" +#include "i915_drv.h" +#include "gt/intel_context.h" +#include "gt/intel_engine_pm.h" + +struct i915_vma *intel_pxp_cmd_get_batch(struct intel_pxp *pxp, + struct intel_context *ce, + struct intel_gt_buffer_pool_node *pool, + u32 *cmd_buf, int cmd_size_in_dw) +{ + struct i915_vma *batch = ERR_PTR(-EINVAL); + struct intel_gt *gt = container_of(pxp, struct intel_gt, pxp); + u32 *cmd; + + if (!ce || !ce->engine || !cmd_buf) + return ERR_PTR(-EINVAL); + + if (cmd_size_in_dw * 4 > PAGE_SIZE) { + drm_err(>->i915->drm, "Failed to %s, invalid cmd_size_id_dw=[%d]\n", + __func__, cmd_size_in_dw); + return ERR_PTR(-EINVAL); + } + + cmd = i915_gem_object_pin_map(pool->obj, I915_MAP_FORCE_WC); + if (IS_ERR(cmd)) { + drm_err(>->i915->drm, "Failed to i915_gem_object_pin_map()\n"); + return ERR_PTR(-EINVAL); + } + + memcpy(cmd, cmd_buf, cmd_size_in_dw * 4); + + if (drm_debug_enabled(DRM_UT_DRIVER)) { + print_hex_dump(KERN_DEBUG, "cmd binaries:", + DUMP_PREFIX_OFFSET, 4, 4, cmd, cmd_size_in_dw * 4, true); + } + + i915_gem_object_unpin_map(pool->obj); + + batch = i915_vma_instance(pool->obj, ce->vm, NULL); + if (IS_ERR(batch)) { + drm_err(>->i915->drm, "Failed to i915_vma_instance()\n"); + return batch; + } + + return batch; +} + +int intel_pxp_cmd_submit(struct intel_pxp *pxp, u32 *cmd, int cmd_size_in_dw) +{ + int err = -EINVAL; + struct i915_vma *batch; + struct i915_request *rq; + struct intel_context *ce = NULL; + bool is_engine_pm_get = false; + bool is_batch_vma_pin = false; + bool is_skip_req_on_err = false; + bool is_engine_get_pool = false; + struct intel_gt_buffer_pool_node *pool = NULL; + struct intel_gt *gt = container_of(pxp, struct intel_gt, pxp); + + if (!HAS_ENGINE(gt, VCS0) || + !gt->engine[VCS0]->kernel_context) { + err = -EINVAL; + goto end; + } + + if (!cmd || (cmd_size_in_dw * 4) > PAGE_SIZE) { + drm_err(>->i915->drm, "Failed to %s bad params\n", __func__); + return -EINVAL; + } + + ce = gt->engine[VCS0]->kernel_context; + + intel_engine_pm_get(ce->engine); + is_engine_pm_get = true; + + pool = intel_gt_get_buffer_pool(gt, PAGE_SIZE); + if (IS_ERR(pool)) { + drm_err(>->i915->drm, "Failed to intel_engine_get_pool()\n"); + goto end; + } + is_engine_get_pool = true; + + batch = intel_pxp_cmd_get_batch(pxp, ce, pool, cmd, cmd_size_in_dw); + if (IS_ERR(batch)) { + drm_err(>->i915->drm, "Failed to intel_pxp_cmd_get_batch()\n"); + goto end; + } + + err = i915_vma_pin(batch, 0, 0, PIN_USER); + if (err) { + drm_err(>->i915->drm, "Failed to i915_vma_pin()\n"); + goto end; + } + is_batch_vma_pin = true; + + rq = intel_context_create_request(ce); + if (IS_ERR(rq)) { + drm_err(>->i915->drm, "Failed to intel_context_create_request()\n"); + goto end; + } + is_skip_req_on_err = true; + + err = intel_gt_buffer_pool_mark_active(pool, rq); + if (err) { + drm_err(>->i915->drm, "Failed to intel_engine_pool_mark_active()\n"); + goto end; + } + + i915_vma_lock(batch); + err = i915_request_await_object(rq, batch->obj, false); + if (!err) + err = i915_vma_move_to_active(batch, rq, 0); + i915_vma_unlock(batch); + if (err) { + drm_err(>->i915->drm, "Failed to i915_request_await_object()\n"); + goto end; + } + + if (ce->engine->emit_init_breadcrumb) { + err = ce->engine->emit_init_breadcrumb(rq); + if (err) { + drm_err(>->i915->drm, "Failed to emit_init_breadcrumb()\n"); + goto end; + } + } + + err = ce->engine->emit_bb_start(rq, batch->node.start, + batch->node.size, 0); + if (err) { + drm_err(>->i915->drm, "Failed to emit_bb_start()\n"); + goto end; + } + + i915_request_add(rq); + +end: + if (unlikely(err) && is_skip_req_on_err) + i915_request_set_error_once(rq, err); + + if (is_batch_vma_pin) + i915_vma_unpin(batch); + + if (is_engine_get_pool) + intel_gt_buffer_pool_put(pool); + + if (is_engine_pm_get) + intel_engine_pm_put(ce->engine); + + return err; +} diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h b/drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h new file mode 100644 index 000000000000..d04463962421 --- /dev/null +++ b/drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright(c) 2020, Intel Corporation. All rights reserved. + */ + +#ifndef __INTEL_PXP_CMD_H__ +#define __INTEL_PXP_CMD_H__ + +#include "gt/intel_gt_buffer_pool.h" +#include "intel_pxp.h" + +struct i915_vma *intel_pxp_cmd_get_batch(struct intel_pxp *pxp, + struct intel_context *ce, + struct intel_gt_buffer_pool_node *pool, + u32 *cmd_buf, int cmd_size_in_dw); + +int intel_pxp_cmd_submit(struct intel_pxp *pxp, u32 *cmd, int cmd_size_in_dw); +#endif /* __INTEL_PXP_SM_H__ */ -- 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx