From patchwork Fri Mar 18 07:27:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?S3lyaWUgV3UgKOWQtOaZlyk=?= X-Patchwork-Id: 12784948 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B00BC433F5 for ; Fri, 18 Mar 2022 07:33:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jymLNAsqNqFbOAF1h60J++B1yGEZoAZwng9/cmX3AnI=; b=xUi+swxkazZBDN sYXt0X8a6iKd3aoc7ggzNi9qaOZD/D3+WhITviembcdC0yOCpD8IlEbh2+wuPP4TtxONIsYlCJ3q/ EgV92xNxIB0YazVU511V16AXYaIdtq3mDanEJJE8OX0+5HVm7FVNYWOFBSH9hkYU1PzilLMBfg71b L/qErkhcWnMgnV0OG6HjRp6ttdJej7KjsmONZzaTAtfy75pm9Vy3E8G0Y87uv//NIIFjwVJG5M9s5 AgMGitEBptZoZ5M984cCRFt+FnbmMKj8dzr5LAAXvPChrATB4i51/HDKW2K1e91iz0F7pX2AXZgXv VDEV9vOS5F6X8d+QGaYA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nV769-000cAW-4s; Fri, 18 Mar 2022 07:32:33 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nV75F-000blZ-Oe; Fri, 18 Mar 2022 07:31:39 +0000 X-UUID: 0917d585545b4ba388445bfea0e045a0-20220318 X-UUID: 0917d585545b4ba388445bfea0e045a0-20220318 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 420719760; Fri, 18 Mar 2022 00:31:31 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 18 Mar 2022 00:28:03 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) 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; Fri, 18 Mar 2022 15:28:01 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 18 Mar 2022 15:27:59 +0800 From: kyrie.wu To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tzung-Bi Shih CC: , , , , , , Tomasz Figa , , , kyrie wu , Subject: [V2,5/7] media: mtk-jpegdec: add jpeg decode worker interface Date: Fri, 18 Mar 2022 15:27:44 +0800 Message-ID: <1647588466-761-6-git-send-email-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1647588466-761-1-git-send-email-kyrie.wu@mediatek.com> References: <1647588466-761-1-git-send-email-kyrie.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220318_003137_836616_3DC6BD9A X-CRM114-Status: GOOD ( 21.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: kyrie wu Add jpeg decoding worker to ensure that three HWs run in parallel in MT8195. Signed-off-by: kyrie wu --- .../media/platform/mtk-jpeg/mtk_jpeg_core.c | 234 +++++++++++++++++- .../media/platform/mtk-jpeg/mtk_jpeg_core.h | 6 + .../media/platform/mtk-jpeg/mtk_jpeg_dec_hw.c | 17 ++ 3 files changed, 246 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index b764540a5e93..7ddbfbf0556f 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1098,6 +1098,180 @@ 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; + } + + dev_err(jpeg->dev, "%s : %d, NEW HW IDLE, please retry selcet!!!\n", + __func__, __LINE__); + 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) { + dev_err(jpeg->dev, "%s : %d, get src_buf fail !!!\n", + __func__, __LINE__); + goto getbuf_fail; + } + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + if (!dst_buf) { + dev_err(jpeg->dev, "%s : %d, get dst_buf fail !!!\n", + __func__, __LINE__); + goto getbuf_fail; + } + + 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 getbuf_fail; + } + + 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++; + + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + + 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_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; @@ -1110,6 +1284,7 @@ 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); @@ -1147,6 +1322,9 @@ 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) @@ -1349,7 +1527,7 @@ static int mtk_jpeg_open(struct file *file) struct mtk_jpeg_dev *jpeg = video_drvdata(file); struct video_device *vfd = video_devdata(file); struct mtk_jpeg_ctx *ctx; - int ret = 0; + int ret = 0, i; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -1360,8 +1538,21 @@ static int mtk_jpeg_open(struct file *file) goto free; } - if (jpeg->variant->is_multihw) - INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); + if (jpeg->variant->is_multihw) { + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) { + if (jpeg->enc_hw_dev[i]) { + INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); + break; + } + } + + for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { + if (jpeg->dec_hw_dev[i]) { + INIT_WORK(&ctx->jpeg_work, mtk_jpegdec_worker); + break; + } + } + } INIT_LIST_HEAD(&ctx->dst_done_queue); v4l2_fh_init(&ctx->fh, vfd); @@ -1455,7 +1646,7 @@ static int mtk_jpeg_probe(struct platform_device *pdev) { struct mtk_jpeg_dev *jpeg; int jpeg_irq; - int ret; + int ret, i; jpeg = devm_kzalloc(&pdev->dev, sizeof(*jpeg), GFP_KERNEL); if (!jpeg) @@ -1499,13 +1690,34 @@ static int mtk_jpeg_probe(struct platform_device *pdev) goto err_clk_init; } } else { - init_waitqueue_head(&jpeg->enc_hw_wq); - jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, - WQ_MEM_RECLAIM | WQ_FREEZABLE); - if (!jpeg->workqueue) { - dev_err(&pdev->dev, "Failed to create jpeg workqueue!\n"); - ret = -EINVAL; - goto err_alloc_workqueue; + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) { + if (jpeg->enc_hw_dev[i]) { + init_waitqueue_head(&jpeg->enc_hw_wq); + jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM | + WQ_FREEZABLE); + if (!jpeg->workqueue) { + dev_err(&pdev->dev, "Failed to create jpegenc workqueue!\n"); + ret = -EINVAL; + goto err_alloc_workqueue; + } + break; + } + } + + for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { + if (jpeg->dec_hw_dev[i]) { + init_waitqueue_head(&jpeg->dec_hw_wq); + jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM | + WQ_FREEZABLE); + if (!jpeg->dec_workqueue) { + dev_err(&pdev->dev, "Failed to create jpegdec workqueue!\n"); + ret = -EINVAL; + goto err_alloc_workqueue; + } + break; + } } } diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h index 1c75ce45f89a..a9378e88a728 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mtk-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/mtk-jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_hw.c index 170018e26d49..783118e61701 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_hw.c @@ -446,6 +446,7 @@ 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; @@ -454,6 +455,9 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) 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); } @@ -500,8 +504,18 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) 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); + clk_disable_unprepare(jpeg->jdec_clk.clks->clk); pm_runtime_put(ctx->jpeg->dev); + if (ctx->fh.m2m_ctx && + (!list_empty(&ctx->fh.m2m_ctx->out_q_ctx.rdy_queue) || + !list_empty(&ctx->fh.m2m_ctx->cap_q_ctx.rdy_queue))) + queue_work(master_jpeg->workqueue, &ctx->jpeg_work); + + jpeg->hw_state = MTK_JPEG_HW_IDLE; + wake_up(&master_jpeg->dec_hw_wq); + atomic_inc(&jpeg->hw_rdy); + return IRQ_HANDLED; } @@ -551,6 +565,9 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) return -ENOMEM; dev->plat_dev = pdev; + 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);