From patchwork Mon Jun 13 03:22:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Irui Wang X-Patchwork-Id: 12878924 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F6C1C43334 for ; Mon, 13 Jun 2022 03:23:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234863AbiFMDXE (ORCPT ); Sun, 12 Jun 2022 23:23:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238419AbiFMDW5 (ORCPT ); Sun, 12 Jun 2022 23:22:57 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E819512614; Sun, 12 Jun 2022 20:22:54 -0700 (PDT) X-UUID: c3db40a8cf854bcdafe2f6bb037df983-20220613 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:d69d7f7c-3afa-495d-a50b-d303b19bb75f,OB:20,L OB:0,IP:0,URL:5,TC:0,Content:-5,EDM:0,RT:0,SF:100,FILE:0,RULE:Release_Ham, ACTION:release,TS:100 X-CID-INFO: VERSION:1.1.5,REQID:d69d7f7c-3afa-495d-a50b-d303b19bb75f,OB:20,LOB :0,IP:0,URL:5,TC:0,Content:-5,EDM:0,RT:0,SF:100,FILE:0,RULE:Spam_GS981B3D, ACTION:quarantine,TS:100 X-CID-META: VersionHash:2a19b09,CLOUDID:5f6152c6-12ba-4305-bfdf-9aefbdc32516,C OID:568f9d3f98c7,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:1,File:nil,QS:0,BEC:nil X-UUID: c3db40a8cf854bcdafe2f6bb037df983-20220613 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1343031983; Mon, 13 Jun 2022 11:22:49 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Mon, 13 Jun 2022 11:22:47 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 13 Jun 2022 11:22:45 +0800 From: Irui Wang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tzung-Bi Shih , , , CC: , , , , , , Tomasz Figa , , , kyrie wu , Subject: [V3,5/8] media: mtk-jpegdec: add jpeg decode worker interface Date: Mon, 13 Jun 2022 11:22:29 +0800 Message-ID: <20220613032232.23187-6-irui.wang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220613032232.23187-1-irui.wang@mediatek.com> References: <20220613032232.23187-1-irui.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: kyrie wu Add jpeg decoding worker to ensure that three HWs run in parallel in MT8195. Signed-off-by: kyrie wu --- .../platform/mediatek/jpeg/mtk_jpeg_core.c | 191 ++++++++++++++++++ .../platform/mediatek/jpeg/mtk_jpeg_core.h | 6 + .../platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 35 ++-- 3 files changed, 220 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 6afed679f37b..25fa3ad8de3d 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1100,6 +1100,176 @@ static void mtk_jpeg_enc_device_run(void *priv) } } +static int mtk_jpegdec_select_hw(struct mtk_jpeg_ctx *ctx) +{ + struct mtk_jpegdec_comp_dev *comp_jpeg; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + unsigned long flags; + int hw_id = -1; + int i; + + spin_lock_irqsave(&jpeg->hw_lock, flags); + for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { + comp_jpeg = jpeg->dec_hw_dev[i]; + if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) { + hw_id = i; + comp_jpeg->hw_state = MTK_JPEG_HW_BUSY; + break; + } + } + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + + return hw_id; +} + +static int mtk_jpegdec_deselect_hw(struct mtk_jpeg_dev *jpeg, int hw_id) +{ + unsigned long flags; + + spin_lock_irqsave(&jpeg->hw_lock, flags); + jpeg->dec_hw_dev[hw_id]->hw_state = + MTK_JPEG_HW_IDLE; + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + + return 0; +} + +static int mtk_jpegdec_set_hw_param(struct mtk_jpeg_ctx *ctx, + int hw_id, + struct vb2_v4l2_buffer *src_buf, + struct vb2_v4l2_buffer *dst_buf) +{ + struct mtk_jpegdec_comp_dev *jpeg = + ctx->jpeg->dec_hw_dev[hw_id]; + + jpeg->hw_param.curr_ctx = ctx; + jpeg->hw_param.src_buffer = src_buf; + jpeg->hw_param.dst_buffer = dst_buf; + + return 0; +} + +static void mtk_jpegdec_worker(struct work_struct *work) +{ + struct mtk_jpeg_ctx *ctx = container_of(work, struct mtk_jpeg_ctx, + jpeg_work); + struct mtk_jpegdec_comp_dev *comp_jpeg[MTK_JPEGDEC_HW_MAX]; + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + struct mtk_jpeg_src_buf *jpeg_src_buf, *jpeg_dst_buf; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + atomic_t *hw_rdy[MTK_JPEGDEC_HW_MAX]; + int ret, i, hw_id = 0; + struct mtk_jpeg_bs bs; + struct mtk_jpeg_fb fb; + unsigned long flags; + + for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { + comp_jpeg[i] = jpeg->dec_hw_dev[i]; + hw_rdy[i] = &comp_jpeg[i]->hw_rdy; + } + +retry_select: + hw_id = mtk_jpegdec_select_hw(ctx); + if (hw_id < 0) { + ret = wait_event_interruptible_timeout(jpeg->dec_hw_wq, + (atomic_read(hw_rdy[0]) || + atomic_read(hw_rdy[1]) || + atomic_read(hw_rdy[2])) > 0, + MTK_JPEG_HW_TIMEOUT_MSEC); + if (ret != 0) { + dev_err(jpeg->dev, "%s : %d, all HW are busy\n", + __func__, __LINE__); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + return; + } + + goto retry_select; + } + + atomic_dec(&comp_jpeg[hw_id]->hw_rdy); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + if (!src_buf) + goto getbuf_fail; + + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + if (!dst_buf) + goto getbuf_fail; + + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + + v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf); + jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf); + + if (mtk_jpeg_check_resolution_change(ctx, + &jpeg_src_buf->dec_param)) { + mtk_jpeg_queue_src_chg_event(ctx); + ctx->state = MTK_JPEG_SOURCE_CHANGE; + goto dec_end; + } + + jpeg_src_buf->curr_ctx = ctx; + jpeg_src_buf->frame_num = ctx->total_frame_num; + jpeg_dst_buf->curr_ctx = ctx; + jpeg_dst_buf->frame_num = ctx->total_frame_num; + ctx->total_frame_num++; + + mtk_jpegdec_set_hw_param(ctx, hw_id, src_buf, dst_buf); + ret = pm_runtime_get_sync(comp_jpeg[hw_id]->dev); + if (ret < 0) { + dev_err(jpeg->dev, "%s : %d, pm_runtime_get_sync fail !!!\n", + __func__, __LINE__); + goto dec_end; + } + + ret = clk_prepare_enable(comp_jpeg[hw_id]->jdec_clk.clks->clk); + if (ret) { + dev_err(jpeg->dev, "%s : %d, jpegdec clk_prepare_enable fail\n", + __func__, __LINE__); + goto clk_end; + } + + schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work, + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + + mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs); + if (mtk_jpeg_set_dec_dst(ctx, + &jpeg_src_buf->dec_param, + &dst_buf->vb2_buf, &fb)) { + dev_err(jpeg->dev, "%s : %d, mtk_jpeg_set_dec_dst fail\n", + __func__, __LINE__); + goto setdst_end; + } + + spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags); + mtk_jpeg_dec_reset(comp_jpeg[hw_id]->reg_base); + mtk_jpeg_dec_set_config(jpeg->reg_base, + &jpeg_src_buf->dec_param, + &bs, + &fb); + mtk_jpeg_dec_start(comp_jpeg[hw_id]->reg_base); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags); + + return; + +setdst_end: + clk_disable_unprepare(comp_jpeg[hw_id]->jdec_clk.clks->clk); +clk_end: + pm_runtime_put(comp_jpeg[hw_id]->dev); +dec_end: + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_buf_done(src_buf, buf_state); + v4l2_m2m_buf_done(dst_buf, buf_state); +getbuf_fail: + atomic_inc(&comp_jpeg[hw_id]->hw_rdy); + mtk_jpegdec_deselect_hw(jpeg, hw_id); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); +} + static void mtk_jpeg_dec_device_run(void *priv) { struct mtk_jpeg_ctx *ctx = priv; @@ -1112,6 +1282,7 @@ static void mtk_jpeg_dec_device_run(void *priv) struct mtk_jpeg_fb fb; int ret; +if (!jpeg->variant->is_multihw) { src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf); @@ -1149,6 +1320,9 @@ static void mtk_jpeg_dec_device_run(void *priv) v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); +} else { + queue_work(jpeg->workqueue, &ctx->jpeg_work); +} } static int mtk_jpeg_dec_job_ready(void *priv) @@ -1367,6 +1541,11 @@ static int mtk_jpeg_open(struct file *file) "mediatek,jpegenc-multi-core")) { INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); } + + if (of_property_read_bool(jpeg->dev->of_node, + "mediatek,jpegdec-multi-core")) { + INIT_WORK(&ctx->jpeg_work, mtk_jpegdec_worker); + } } INIT_LIST_HEAD(&ctx->dst_done_queue); @@ -1518,6 +1697,18 @@ static int mtk_jpeg_probe(struct platform_device *pdev) goto err_alloc_workqueue; } } + + if (of_property_read_bool(pdev->dev.of_node, + "mediatek,jpegdec-multi-core")) { + init_waitqueue_head(&jpeg->dec_hw_wq); + jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM + | WQ_FREEZABLE); + if (!jpeg->workqueue) { + ret = -EINVAL; + goto err_alloc_workqueue; + } + } } ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 4709e5b8adbe..4da6d0621981 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -175,6 +175,10 @@ struct mtk_jpegdec_comp_dev { int hw_id; struct delayed_work job_timeout_work; struct mtk_jpeg_hw_param hw_param; + atomic_t hw_rdy; + enum mtk_jpeg_hw_state hw_state; + //spinlock protecting the hw device resource + spinlock_t hw_lock; }; /** @@ -210,6 +214,8 @@ struct mtk_jpeg_dev { void __iomem *reg_decbase[MTK_JPEGDEC_HW_MAX]; struct mtk_jpegdec_comp_dev *dec_hw_dev[MTK_JPEGDEC_HW_MAX]; + wait_queue_head_t dec_hw_wq; + struct workqueue_struct *dec_workqueue; }; /** diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c index 33f6bc193dc7..c502a65b2c93 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c @@ -446,14 +446,19 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) struct mtk_jpegdec_comp_dev *cjpeg = container_of(work, struct mtk_jpegdec_comp_dev, job_timeout_work.work); + struct mtk_jpeg_dev *master_jpeg = cjpeg->master_dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; src_buf = cjpeg->hw_param.src_buffer; dst_buf = cjpeg->hw_param.dst_buffer; + dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; mtk_jpeg_dec_reset(cjpeg->reg_base); clk_disable_unprepare(cjpeg->jdec_clk.clks->clk); pm_runtime_put(cjpeg->dev); + cjpeg->hw_state = MTK_JPEG_HW_IDLE; + atomic_inc(&cjpeg->hw_rdy); + wake_up(&master_jpeg->dec_hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); } @@ -473,22 +478,20 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) cancel_delayed_work(&jpeg->job_timeout_work); + ctx = jpeg->hw_param.curr_ctx; + src_buf = jpeg->hw_param.src_buffer; + dst_buf = jpeg->hw_param.dst_buffer; + dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; + irq_status = mtk_jpeg_dec_get_int_status(jpeg->reg_base); dec_irq_ret = mtk_jpeg_dec_enum_result(irq_status); if (dec_irq_ret >= MTK_JPEG_DEC_RESULT_UNDERFLOW) mtk_jpeg_dec_reset(jpeg->reg_base); - if (dec_irq_ret != MTK_JPEG_DEC_RESULT_EOF_DONE) - return IRQ_NONE; - - ctx = v4l2_m2m_get_curr_priv(master_jpeg->m2m_dev); - if (!ctx) { - dev_err(jpeg->dev, "Context is NULL\n"); - return IRQ_HANDLED; + if (dec_irq_ret != MTK_JPEG_DEC_RESULT_EOF_DONE) { + dev_err(jpeg->dev, " Not MTK_JPEG_DEC_RESULT_EOF_DONE\n"); + goto irq_handled; } - src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; jpeg_src_buf = container_of(src_buf, struct mtk_jpeg_src_buf, b); @@ -496,12 +499,16 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) vb2_set_plane_payload(&dst_buf->vb2_buf, i, jpeg_src_buf->dec_param.comp_size[i]); +irq_handled: buf_state = VB2_BUF_STATE_DONE; - v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); - v4l2_m2m_job_finish(master_jpeg->m2m_dev, ctx->fh.m2m_ctx); pm_runtime_put(ctx->jpeg->dev); + clk_disable_unprepare(jpeg->jdec_clk.clks->clk); + + jpeg->hw_state = MTK_JPEG_HW_IDLE; + wake_up(&master_jpeg->dec_hw_wq); + atomic_inc(&jpeg->hw_rdy); return IRQ_HANDLED; } @@ -554,6 +561,10 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) dev->plat_dev = pdev; dev->dev = &pdev->dev; + atomic_set(&dev->hw_rdy, 1U); + spin_lock_init(&dev->hw_lock); + dev->hw_state = MTK_JPEG_HW_IDLE; + INIT_DELAYED_WORK(&dev->job_timeout_work, mtk_jpegdec_timeout_work);