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Wed, 09 Apr 2025 23:30:20 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) 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 15.2.1258.39; Thu, 10 Apr 2025 14:30:18 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Thu, 10 Apr 2025 14:30:17 +0800 From: kyrie.wu To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , kyrie wu , , , , , CC: kyrie.wu Subject: [PATCH v2 08/12] media: mediatek: jpeg: fix stop streaming flow for multi-core Date: Thu, 10 Apr 2025 14:30:01 +0800 Message-ID: <20250410063006.5313-9-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250410063006.5313-1-kyrie.wu@mediatek.com> References: <20250410063006.5313-1-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-20250410_073044_382377_D4A4468A X-CRM114-Status: GOOD ( 17.52 ) 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 1. For multi-core jpegdec, the all hws may run at the same time, if one hw decoded firstly, the function of mtk_jpeg_dec_stop_streaming would be called, but others input buffers are decoding, this will cause some running buffers to be buffer done, causing errors; 2. add a parameter to calculate the decoding buffer counts, it wil decrease to 0 until the all buffers decoded and the mtk_jpeg_dec_stop_streaming could continue to be executed. Signed-off-by: kyrie.wu --- .../media/platform/mediatek/jpeg/mtk_jpeg_core.c | 16 ++++++++++++++++ .../media/platform/mediatek/jpeg/mtk_jpeg_core.h | 2 ++ .../platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 9 +++++++++ .../platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 9 +++++++++ 4 files changed, 36 insertions(+) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 79a47a59caba..172a8aa80a2b 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -860,8 +860,12 @@ static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx, static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); + struct mtk_jpeg_dev *jpeg = ctx->jpeg; struct vb2_v4l2_buffer *vb; + if (jpeg->variant->multi_core) + wait_event(jpeg->hw_wq, (atomic_read(&ctx->buf_list_cnt) == 0)); + while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR); } @@ -869,6 +873,7 @@ static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q) static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); + struct mtk_jpeg_dev *jpeg = ctx->jpeg; struct vb2_v4l2_buffer *vb; /* @@ -876,6 +881,9 @@ static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q) * Before STREAMOFF, we still have to return the old resolution and * subsampling. Update capture queue when the stream is off. */ + if (jpeg->variant->multi_core) + wait_event(jpeg->hw_wq, (atomic_read(&ctx->buf_list_cnt) == 0)); + if (ctx->state == MTK_JPEG_SOURCE_CHANGE && V4L2_TYPE_IS_CAPTURE(q->type)) { struct mtk_jpeg_src_buf *src_buf; @@ -1185,6 +1193,7 @@ static int mtk_jpeg_open(struct file *file) v4l2_fh_init(&ctx->fh, vfd); file->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh); + atomic_set(&ctx->buf_list_cnt, 0); ctx->jpeg = jpeg; ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, @@ -1567,6 +1576,11 @@ static int mtk_jpegdec_set_hw_param(struct mtk_jpeg_ctx *ctx, return 0; } +static void jpeg_buf_queue_inc(struct mtk_jpeg_ctx *ctx) +{ + atomic_inc(&ctx->buf_list_cnt); +} + static irqreturn_t mtk_jpeg_enc_done(struct mtk_jpeg_dev *jpeg) { struct mtk_jpeg_ctx *ctx; @@ -1691,6 +1705,7 @@ static void mtk_jpegenc_worker(struct work_struct *work) &src_buf->vb2_buf); mtk_jpeg_set_enc_params(ctx, comp_jpeg[hw_id]->reg_base); mtk_jpeg_enc_start(comp_jpeg[hw_id]->reg_base); + jpeg_buf_queue_inc(ctx); v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags); @@ -1822,6 +1837,7 @@ static void mtk_jpegdec_worker(struct work_struct *work) &bs, &fb); mtk_jpeg_dec_start(comp_jpeg[hw_id]->reg_base); + jpeg_buf_queue_inc(ctx); v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags); diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 25ba21d80de7..3e0a2e44ea1c 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -307,6 +307,7 @@ struct mtk_jpeg_q_data { * @dst_done_queue: encoded frame buffer queue * @done_queue_lock: encoded frame operation spinlock * @last_done_frame_num: the last encoded frame number + * @buf_list_cnt: the frame buffer count own by jpeg driver */ struct mtk_jpeg_ctx { struct mtk_jpeg_dev *jpeg; @@ -325,6 +326,7 @@ struct mtk_jpeg_ctx { /* spinlock protecting the encode done buffer */ spinlock_t done_queue_lock; u32 last_done_frame_num; + atomic_t buf_list_cnt; }; #endif /* _MTK_JPEG_CORE_H */ 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 f59d86431295..ec4120ef9043 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c @@ -524,6 +524,11 @@ static void mtk_jpegdec_put_buf(struct mtk_jpegdec_comp_dev *jpeg) spin_unlock_irqrestore(&ctx->done_queue_lock, flags); } +static void jpeg_buf_queue_dec(struct mtk_jpeg_ctx *ctx) +{ + atomic_dec(&ctx->buf_list_cnt); +} + static void mtk_jpegdec_timeout_work(struct work_struct *work) { enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; @@ -532,9 +537,11 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) job_timeout_work.work); struct mtk_jpeg_dev *master_jpeg = cjpeg->master_dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; + struct mtk_jpeg_ctx *ctx; src_buf = cjpeg->hw_param.src_buffer; dst_buf = cjpeg->hw_param.dst_buffer; + ctx = cjpeg->hw_param.curr_ctx; v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); mtk_jpeg_dec_reset(cjpeg->reg_base); @@ -545,6 +552,7 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) wake_up(&master_jpeg->hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegdec_put_buf(cjpeg); + jpeg_buf_queue_dec(ctx); } static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) @@ -585,6 +593,7 @@ 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); + jpeg_buf_queue_dec(ctx); pm_runtime_put(ctx->jpeg->dev); clk_disable_unprepare(jpeg->jdec_clk.clks->clk); 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 73b99a5ea5da..cb6b9caeae2b 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c @@ -264,6 +264,11 @@ static void mtk_jpegenc_put_buf(struct mtk_jpegenc_comp_dev *jpeg) spin_unlock_irqrestore(&ctx->done_queue_lock, flags); } +static void jpeg_buf_queue_dec(struct mtk_jpeg_ctx *ctx) +{ + atomic_dec(&ctx->buf_list_cnt); +} + static void mtk_jpegenc_timeout_work(struct work_struct *work) { struct delayed_work *dly_work = to_delayed_work(work); @@ -274,9 +279,11 @@ static void mtk_jpegenc_timeout_work(struct work_struct *work) struct mtk_jpeg_dev *master_jpeg = cjpeg->master_dev; enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; struct vb2_v4l2_buffer *src_buf, *dst_buf; + struct mtk_jpeg_ctx *ctx; src_buf = cjpeg->hw_param.src_buffer; dst_buf = cjpeg->hw_param.dst_buffer; + ctx = cjpeg->hw_param.curr_ctx; v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); mtk_jpeg_enc_reset(cjpeg->reg_base); @@ -287,6 +294,7 @@ static void mtk_jpegenc_timeout_work(struct work_struct *work) wake_up(&master_jpeg->hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegenc_put_buf(cjpeg); + jpeg_buf_queue_dec(ctx); } static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) @@ -320,6 +328,7 @@ 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); + jpeg_buf_queue_dec(ctx); pm_runtime_put(ctx->jpeg->dev); clk_disable_unprepare(jpeg->venc_clk.clks->clk); -- 2.46.0