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 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 92B6DF99362 for ; Thu, 23 Apr 2026 09:47:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:To:From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HAyle4ka89mc+p5xWjkv8S3nq9u2HDeVpLxD3urP7IY=; b=suL4P4H6tX/LAzU4eFCiPZTNXW 4/UzLMV9qy6W4bYkCpZwBEWPojlBKTEjtYWx2PkEeNX7/K4yVN1njtufTQFITLlPf0h9fk8zA4S51 Zo8IsRAbTe6aYcaDGgMN+rZZfMGsVDHAIZNBuc9aGB5rncBiSOFDKtEZ+8jBRiD6i//8+J1ePxr1o 6+yHUjjGeeQR5iv2Xn7u6L99M8JriqoHMKDF9pLu/+vR1Q7XoLSVsBo6yhrqeC8PHZyauzFI7jEmw XJwJpdIsAi7F7X90R0aVZ7e/9WAaqk6Oeowwmh4YW+X+JGkSrE3CIhfyrEgU+2aUsD2TaGap1zWkP C4QQZROQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wFqeV-0000000BQAg-2h0O; Thu, 23 Apr 2026 09:47:19 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wFqeO-0000000BPzp-3AB3; Thu, 23 Apr 2026 09:47:14 +0000 X-UUID: 64b4dbda3ef911f1a6de359d7043e138-20260423 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From; bh=HAyle4ka89mc+p5xWjkv8S3nq9u2HDeVpLxD3urP7IY=; b=ZB7rSSFtmqUFnDq5ize1ZGCow6fJWdrUm86jDwFADXoseDmFzS6fjW9zI80qboCxBwT++5ehpfoTrmQcakQMmqwRUbiGT54/o9g3g5CgCC21QEFZw4ig2JKZ+FoD0n6qYm/GMtLgGqBwknlMgT6e881kW5P4J2e6MNd7qqLFy/0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:8fa21c13-df07-4fbb-a0a6-27a2ca5a4ff4,IP:0,U RL:0,TC:0,Content:-5,EDM:-25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:-30 X-CID-META: VersionHash:e7bac3a,CLOUDID:e4667e64-469e-4eb6-aeb8-4b21454b0f32,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|865|888|898,TC:-5,Cont ent:0|15|50,EDM:2,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0, OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 64b4dbda3ef911f1a6de359d7043e138-20260423 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1463624496; Thu, 23 Apr 2026 02:47:08 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Thu, 23 Apr 2026 17:47:05 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Thu, 23 Apr 2026 17:47:05 +0800 From: Kyrie Wu To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Nicolas Dufresne , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Kyrie Wu , , , , , Subject: [PATCH v14 05/12] media: mediatek: jpeg: Fix multi-core clk suspend and resume setting Date: Thu, 23 Apr 2026 17:46:49 +0800 Message-ID: <20260423094656.32044-6-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20260423094656.32044-1-kyrie.wu@mediatek.com> References: <20260423094656.32044-1-kyrie.wu@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260423_024712_807566_F3CB4491 X-CRM114-Status: GOOD ( 19.48 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org The suspend/resume callback function is defined in the dev_pm_ops structure, which is defined in platform_driver. For multiple-core architecture, each hardware driver will register a platform_driver structure, so it is necessary to add a suspend/resume callback function for each hardware to support this operation. Fixes: 934e8bccac95 ("mtk-jpegenc: support jpegenc multi-hardware") Fixes: 0fa49df4222f ("media: mtk-jpegdec: support jpegdec multi-hardware") Signed-off-by: Kyrie Wu --- .../platform/mediatek/jpeg/mtk_jpeg_core.c | 28 +++------ .../platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 62 +++++++++++++++++-- .../platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 60 ++++++++++++++++-- 3 files changed, 121 insertions(+), 29 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 6e5de2680e3a..e85a3d0bd8ac 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1115,6 +1115,9 @@ static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg) { int ret; + if (jpeg->variant->multi_core) + return; + ret = clk_bulk_prepare_enable(jpeg->variant->num_clks, jpeg->variant->clks); if (ret) @@ -1123,6 +1126,9 @@ static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg) static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg) { + if (jpeg->variant->multi_core) + return; + clk_bulk_disable_unprepare(jpeg->variant->num_clks, jpeg->variant->clks); } @@ -1646,13 +1652,6 @@ static void mtk_jpegenc_worker(struct work_struct *work) goto enc_end; } - ret = clk_prepare_enable(comp_jpeg[hw_id]->venc_clk.clks->clk); - if (ret) { - dev_err(jpeg->dev, "%s : %d, jpegenc clk_prepare_enable fail\n", - __func__, __LINE__); - goto enc_end; - } - v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); @@ -1749,20 +1748,13 @@ static void mtk_jpegdec_worker(struct work_struct *work) jpeg_dst_buf->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); + ret = pm_runtime_resume_and_get(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; - } - v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); @@ -1772,7 +1764,7 @@ static void mtk_jpegdec_worker(struct work_struct *work) &dst_buf->vb2_buf, &fb)) { dev_err(jpeg->dev, "%s : %d, mtk_jpeg_set_dec_dst fail\n", __func__, __LINE__); - goto setdst_end; + goto set_dst_fail; } schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work, @@ -1793,9 +1785,7 @@ static void mtk_jpegdec_worker(struct work_struct *work) return; -setdst_end: - clk_disable_unprepare(comp_jpeg[hw_id]->jdec_clk.clks->clk); -clk_end: +set_dst_fail: pm_runtime_put(comp_jpeg[hw_id]->dev); dec_end: v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); 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 4534caeb104f..9a8dbca6af00 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c @@ -533,13 +533,12 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) v4l2_m2m_buf_copy_metadata(src_buf, dst_buf); 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(&master_jpeg->hw_rdy); wake_up(&master_jpeg->hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegdec_put_buf(cjpeg); + pm_runtime_put(cjpeg->dev); } static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) @@ -547,7 +546,6 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) struct vb2_v4l2_buffer *src_buf, *dst_buf; struct mtk_jpeg_src_buf *jpeg_src_buf; enum vb2_buffer_state buf_state; - struct mtk_jpeg_ctx *ctx; u32 dec_irq_ret; u32 irq_status; int i; @@ -557,7 +555,6 @@ 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; v4l2_m2m_buf_copy_metadata(src_buf, dst_buf); @@ -580,12 +577,11 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) buf_state = VB2_BUF_STATE_DONE; v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegdec_put_buf(jpeg); - 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->hw_wq); atomic_inc(&master_jpeg->hw_rdy); + pm_runtime_put(jpeg->dev); return IRQ_HANDLED; } @@ -668,15 +664,69 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dev); pm_runtime_enable(&pdev->dev); + ret = devm_clk_bulk_get(dev->dev, + jpegdec_clk->clk_num, + jpegdec_clk->clks); + if (ret) { + dev_err(&pdev->dev, "Failed to init clk\n"); + return ret; + } return 0; } +static int mtk_jpegdec_pm_suspend(struct device *dev) +{ + struct mtk_jpegdec_comp_dev *jpeg = dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(jpeg->jdec_clk.clk_num, + jpeg->jdec_clk.clks); + + return 0; +} + +static int mtk_jpegdec_pm_resume(struct device *dev) +{ + struct mtk_jpegdec_comp_dev *jpeg = dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(jpeg->jdec_clk.clk_num, + jpeg->jdec_clk.clks); +} + +static int mtk_jpegdec_suspend(struct device *dev) +{ + struct mtk_jpegdec_comp_dev *jpeg = dev_get_drvdata(dev); + + v4l2_m2m_suspend(jpeg->master_dev->m2m_dev); + + return pm_runtime_force_suspend(dev); +} + +static int mtk_jpegdec_resume(struct device *dev) +{ + struct mtk_jpegdec_comp_dev *jpeg = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + if (ret < 0) + return ret; + + v4l2_m2m_resume(jpeg->master_dev->m2m_dev); + + return 0; +} + +static const struct dev_pm_ops mtk_jpegdec_pm_ops = { + SYSTEM_SLEEP_PM_OPS(mtk_jpegdec_suspend, mtk_jpegdec_resume) + RUNTIME_PM_OPS(mtk_jpegdec_pm_suspend, mtk_jpegdec_pm_resume, NULL) +}; + static struct platform_driver mtk_jpegdec_hw_driver = { .probe = mtk_jpegdec_hw_probe, .driver = { .name = "mtk-jpegdec-hw", .of_match_table = mtk_jpegdec_hw_ids, + .pm = &mtk_jpegdec_pm_ops, }, }; diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c index 2765dafab4ad..5d1c217fea0f 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c @@ -264,13 +264,12 @@ static void mtk_jpegenc_timeout_work(struct work_struct *work) v4l2_m2m_buf_copy_metadata(src_buf, dst_buf); mtk_jpeg_enc_reset(cjpeg->reg_base); - clk_disable_unprepare(cjpeg->venc_clk.clks->clk); - pm_runtime_put(cjpeg->dev); cjpeg->hw_state = MTK_JPEG_HW_IDLE; atomic_inc(&master_jpeg->hw_rdy); wake_up(&master_jpeg->hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegenc_put_buf(cjpeg); + pm_runtime_put(cjpeg->dev); } static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) @@ -304,12 +303,11 @@ static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) buf_state = VB2_BUF_STATE_DONE; v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegenc_put_buf(jpeg); - pm_runtime_put(ctx->jpeg->dev); - clk_disable_unprepare(jpeg->venc_clk.clks->clk); jpeg->hw_state = MTK_JPEG_HW_IDLE; wake_up(&master_jpeg->hw_wq); atomic_inc(&master_jpeg->hw_rdy); + pm_runtime_put(jpeg->dev); return IRQ_HANDLED; } @@ -390,15 +388,69 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dev); pm_runtime_enable(&pdev->dev); + ret = devm_clk_bulk_get(dev->dev, + jpegenc_clk->clk_num, + jpegenc_clk->clks); + if (ret) { + dev_err(&pdev->dev, "Failed to init clk\n"); + return ret; + } + + return 0; +} + +static int mtk_jpegenc_pm_suspend(struct device *dev) +{ + struct mtk_jpegenc_comp_dev *jpeg = dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(jpeg->venc_clk.clk_num, + jpeg->venc_clk.clks); return 0; } +static int mtk_jpegenc_pm_resume(struct device *dev) +{ + struct mtk_jpegenc_comp_dev *jpeg = dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(jpeg->venc_clk.clk_num, + jpeg->venc_clk.clks); +} + +static int mtk_jpegenc_suspend(struct device *dev) +{ + struct mtk_jpegenc_comp_dev *jpeg = dev_get_drvdata(dev); + + v4l2_m2m_suspend(jpeg->master_dev->m2m_dev); + + return pm_runtime_force_suspend(dev); +} + +static int mtk_jpegenc_resume(struct device *dev) +{ + struct mtk_jpegenc_comp_dev *jpeg = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + if (ret < 0) + return ret; + + v4l2_m2m_resume(jpeg->master_dev->m2m_dev); + + return 0; +} + +static const struct dev_pm_ops mtk_jpegenc_pm_ops = { + SYSTEM_SLEEP_PM_OPS(mtk_jpegenc_suspend, mtk_jpegenc_resume) + RUNTIME_PM_OPS(mtk_jpegenc_pm_suspend, mtk_jpegenc_pm_resume, NULL) +}; + static struct platform_driver mtk_jpegenc_hw_driver = { .probe = mtk_jpegenc_hw_probe, .driver = { .name = "mtk-jpegenc-hw", .of_match_table = mtk_jpegenc_drv_ids, + .pm = &mtk_jpegenc_pm_ops, }, }; -- 2.45.2