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Fri, 03 Apr 2020 01:50:38 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 3 Apr 2020 02:40:40 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 3 Apr 2020 17:40:37 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 3 Apr 2020 17:40:36 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , "Matthias Brugger" , Rick Chang Subject: [PATCH v8 05/14] media: platform: Improve power on and power off flow Date: Fri, 3 Apr 2020 17:40:24 +0800 Message-ID: <20200403094033.8288-6-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200403094033.8288-1-xia.jiang@mediatek.com> References: <20200403094033.8288-1-xia.jiang@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-20200403_025050_050314_B0341744 X-CRM114-Status: GOOD ( 11.66 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maoguang.meng@mediatek.com, devicetree@vger.kernel.org, mojahsu@chromium.org, srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Tomasz Figa , senozhatsky@chromium.org, sj.huang@mediatek.com, drinkcat@chromium.org, linux-mediatek@lists.infradead.org, Xia Jiang , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Call pm_runtime_get_sync() before starting a frame and then pm_runtime_put() after completing it. This can save power for the time between processing two frames. Signed-off-by: Xia Jiang --- .../media/platform/mtk-jpeg/mtk_jpeg_core.c | 27 +++++-------------- 1 file changed, 6 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index a536fa95b3d6..dd5cadd101ef 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -710,23 +710,6 @@ static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx, return v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); } -static int mtk_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) -{ - struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); - struct vb2_v4l2_buffer *vb; - int ret = 0; - - ret = pm_runtime_get_sync(ctx->jpeg->dev); - if (ret < 0) - goto err; - - return 0; -err: - while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) - v4l2_m2m_buf_done(vb, VB2_BUF_STATE_QUEUED); - return ret; -} - static void mtk_jpeg_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); @@ -751,8 +734,6 @@ static void mtk_jpeg_stop_streaming(struct vb2_queue *q) while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR); - - pm_runtime_put_sync(ctx->jpeg->dev); } static const struct vb2_ops mtk_jpeg_qops = { @@ -761,7 +742,6 @@ static const struct vb2_ops mtk_jpeg_qops = { .buf_queue = mtk_jpeg_buf_queue, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, - .start_streaming = mtk_jpeg_start_streaming, .stop_streaming = mtk_jpeg_stop_streaming, }; @@ -812,7 +792,7 @@ static void mtk_jpeg_device_run(void *priv) struct mtk_jpeg_src_buf *jpeg_src_buf; struct mtk_jpeg_bs bs; struct mtk_jpeg_fb fb; - int i; + int i, ret; src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); @@ -832,6 +812,10 @@ static void mtk_jpeg_device_run(void *priv) return; } + ret = pm_runtime_get_sync(jpeg->dev); + if (ret < 0) + goto dec_end; + 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)) goto dec_end; @@ -957,6 +941,7 @@ static irqreturn_t mtk_jpeg_dec_irq(int irq, 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); + pm_runtime_put_sync(ctx->jpeg->dev); return IRQ_HANDLED; } -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 7D732C43331 for ; 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Fri, 3 Apr 2020 17:40:37 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 3 Apr 2020 17:40:36 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , "Matthias Brugger" , Rick Chang Subject: [PATCH v8 05/14] media: platform: Improve power on and power off flow Date: Fri, 3 Apr 2020 17:40:24 +0800 Message-ID: <20200403094033.8288-6-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200403094033.8288-1-xia.jiang@mediatek.com> References: <20200403094033.8288-1-xia.jiang@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-20200403_025050_050314_B0341744 X-CRM114-Status: GOOD ( 11.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maoguang.meng@mediatek.com, devicetree@vger.kernel.org, mojahsu@chromium.org, srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Tomasz Figa , senozhatsky@chromium.org, sj.huang@mediatek.com, drinkcat@chromium.org, linux-mediatek@lists.infradead.org, Xia Jiang , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Call pm_runtime_get_sync() before starting a frame and then pm_runtime_put() after completing it. This can save power for the time between processing two frames. Signed-off-by: Xia Jiang --- .../media/platform/mtk-jpeg/mtk_jpeg_core.c | 27 +++++-------------- 1 file changed, 6 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index a536fa95b3d6..dd5cadd101ef 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -710,23 +710,6 @@ static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx, return v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); } -static int mtk_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) -{ - struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); - struct vb2_v4l2_buffer *vb; - int ret = 0; - - ret = pm_runtime_get_sync(ctx->jpeg->dev); - if (ret < 0) - goto err; - - return 0; -err: - while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) - v4l2_m2m_buf_done(vb, VB2_BUF_STATE_QUEUED); - return ret; -} - static void mtk_jpeg_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); @@ -751,8 +734,6 @@ static void mtk_jpeg_stop_streaming(struct vb2_queue *q) while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR); - - pm_runtime_put_sync(ctx->jpeg->dev); } static const struct vb2_ops mtk_jpeg_qops = { @@ -761,7 +742,6 @@ static const struct vb2_ops mtk_jpeg_qops = { .buf_queue = mtk_jpeg_buf_queue, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, - .start_streaming = mtk_jpeg_start_streaming, .stop_streaming = mtk_jpeg_stop_streaming, }; @@ -812,7 +792,7 @@ static void mtk_jpeg_device_run(void *priv) struct mtk_jpeg_src_buf *jpeg_src_buf; struct mtk_jpeg_bs bs; struct mtk_jpeg_fb fb; - int i; + int i, ret; src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); @@ -832,6 +812,10 @@ static void mtk_jpeg_device_run(void *priv) return; } + ret = pm_runtime_get_sync(jpeg->dev); + if (ret < 0) + goto dec_end; + 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)) goto dec_end; @@ -957,6 +941,7 @@ static irqreturn_t mtk_jpeg_dec_irq(int irq, 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); + pm_runtime_put_sync(ctx->jpeg->dev); return IRQ_HANDLED; } -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Rick Chang CC: , , , , , Marek Szyprowski , Tomasz Figa , , , , , , , Xia Jiang Subject: [PATCH v8 05/14] media: platform: Improve power on and power off flow Date: Fri, 3 Apr 2020 17:40:24 +0800 Message-ID: <20200403094033.8288-6-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200403094033.8288-1-xia.jiang@mediatek.com> References: <20200403094033.8288-1-xia.jiang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Q2FsbCBwbV9ydW50aW1lX2dldF9zeW5jKCkgYmVmb3JlIHN0YXJ0aW5nIGEgZnJhbWUgYW5kIHRo ZW4NCnBtX3J1bnRpbWVfcHV0KCkgYWZ0ZXIgY29tcGxldGluZyBpdC4gVGhpcyBjYW4gc2F2ZSBw b3dlciBmb3IgdGhlIHRpbWUNCmJldHdlZW4gcHJvY2Vzc2luZyB0d28gZnJhbWVzLg0KDQpTaWdu ZWQtb2ZmLWJ5OiBYaWEgSmlhbmcgPHhpYS5qaWFuZ0BtZWRpYXRlay5jb20+DQotLS0NCiAuLi4v 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