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Mon, 16 Aug 2021 04:10:46 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 16 Aug 2021 04:00:44 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 16 Aug 2021 19:00:42 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 16 Aug 2021 19:00:41 +0800 From: Irui Wang To: Hans Verkuil , Tzung-Bi Shih , Alexandre Courbot , "Tiffany Lin" , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa , Yong Wu CC: Hsin-Yi Wang , Maoguang Meng , Longfei Wang , Yunfei Dong , Fritz Koenig , Irui Wang , , , , , , , Subject: [PATCH 8/9] media: mtk-vcodec: Return encode result to client Date: Mon, 16 Aug 2021 18:59:33 +0800 Message-ID: <20210816105934.28265-9-irui.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210816105934.28265-1-irui.wang@mediatek.com> References: <20210816105934.28265-1-irui.wang@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-20210816_041050_508378_1A105D14 X-CRM114-Status: GOOD ( 27.47 ) 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 For frame-racing mode encoding, there will no sync wait IRQ done function, so the encode result can't return to client in device_run. After device_run called to trigger encoding process, finish it, so another scheduled job can be ran. When encoding done, return the encode result to client in IRQ handler. Signed-off-by: Irui Wang --- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 6 ++ .../platform/mtk-vcodec/mtk_vcodec_enc.c | 61 ++++++++++++++++++- .../platform/mtk-vcodec/mtk_vcodec_enc.h | 4 +- .../platform/mtk-vcodec/mtk_vcodec_enc_hw.c | 35 +++++++++++ .../platform/mtk-vcodec/mtk_vcodec_util.h | 1 + .../platform/mtk-vcodec/venc/venc_common_if.c | 9 +++ .../media/platform/mtk-vcodec/venc_drv_if.h | 2 + 7 files changed, 115 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 7a9c2dd52b91..c43321362896 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -274,6 +274,9 @@ struct vdec_pic_info { * @lock: protect variables accessed by V4L2 threads and worker thread such as * mtk_video_dec_buf. * @enc_idx: used to record encoded frame count + * @pfrm_buf: used to store current ctx's frame buffer information + * @pbs_buf: used to store current ctx's bitstream buffer information + * @hdr_size: used to store prepend header size */ struct mtk_vcodec_ctx { enum mtk_instance_type type; @@ -316,6 +319,9 @@ struct mtk_vcodec_ctx { int hw_id; int enc_idx; + struct vb2_v4l2_buffer *pfrm_buf[MTK_VENC_HW_MAX]; + struct vb2_v4l2_buffer *pbs_buf[MTK_VENC_HW_MAX]; + unsigned int hdr_size; }; enum mtk_chip { diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index 6b37bd092fdf..de8e012f1b0e 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -867,6 +867,8 @@ static void vb2ops_venc_stop_streaming(struct vb2_queue *q) mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->id, q->type); + mtk_venc_lock_all(ctx); + if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) { dst_buf->vb2_buf.planes[0].bytesused = 0; @@ -1014,10 +1016,13 @@ static int mtk_venc_param_change(struct mtk_vcodec_ctx *ctx) ctx->id, vb2_v4l2->vb2_buf.index, mtk_buf->enc_params.force_intra); - if (mtk_buf->enc_params.force_intra) + if (mtk_buf->enc_params.force_intra) { ret |= venc_if_set_param(ctx, VENC_SET_PARAM_FORCE_INTRA, NULL); + + ctx->enc_idx = 0; + } } mtk_buf->param_change = MTK_ENCODE_PARAM_NONE; @@ -1068,9 +1073,12 @@ static void mtk_venc_worker(struct work_struct *work) frm_buf.fb_addr[i].size = (size_t)src_buf->vb2_buf.planes[i].length; } + frm_buf.src_addr = src_buf; + bs_buf.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0); bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0); bs_buf.size = (size_t)dst_buf->vb2_buf.planes[0].length; + bs_buf.buf = dst_buf; mtk_v4l2_debug(2, "Framebuf PA=%llx Size=0x%zx;PA=0x%llx Size=0x%zx;PA=0x%llx Size=%zu", @@ -1119,6 +1127,8 @@ static void m2mops_venc_device_run(void *priv) { struct mtk_vcodec_ctx *ctx = priv; + mtk_venc_param_change(ctx); + if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) && (ctx->state != MTK_STATE_HEADER)) { /* encode h264 sps/pps header */ @@ -1127,7 +1137,6 @@ static void m2mops_venc_device_run(void *priv) return; } - mtk_venc_param_change(ctx); queue_work(ctx->dev->encode_workqueue, &ctx->encode_work); } @@ -1310,6 +1319,33 @@ int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq, return vb2_queue_init(dst_vq); } +void mtk_venc_buf_done(struct mtk_vcodec_ctx *ctx, int core_id, + unsigned int bs_size, bool time_out, bool key_frame) +{ + struct vb2_v4l2_buffer *src_vb2_v4l2 = NULL; + struct vb2_v4l2_buffer *dst_vb2_v4l2 = NULL; + + /* + * the frm_buf(src_buf) and bs_buf(dst_buf) can be obtained from ctx, + * then put them to done list, user can get them by dqbuf call + */ + src_vb2_v4l2 = ctx->pfrm_buf[core_id]; + dst_vb2_v4l2 = ctx->pbs_buf[core_id]; + + if (src_vb2_v4l2 && dst_vb2_v4l2) { + dst_vb2_v4l2->vb2_buf.timestamp = + src_vb2_v4l2->vb2_buf.timestamp; + dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode; + + if (key_frame) + dst_vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME; + + v4l2_m2m_buf_done(src_vb2_v4l2, VB2_BUF_STATE_DONE); + dst_vb2_v4l2->vb2_buf.planes[0].bytesused = bs_size; + v4l2_m2m_buf_done(dst_vb2_v4l2, VB2_BUF_STATE_DONE); + } +} + int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx, int core_id) { struct mtk_vcodec_dev *dev = ctx->dev; @@ -1335,3 +1371,24 @@ void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx) ctx->state = MTK_STATE_FREE; } + +void mtk_venc_lock_all(struct mtk_vcodec_ctx *ctx) +{ + unsigned int i; + struct mtk_vcodec_dev *dev = ctx->dev; + + /* + * For frame-racing mode encoding, there are may be bufs being encoded + * when get the empty flush buffer or stop streaming, for example, the + * buffer with LAST flag will return to client before the encoding + * buffers, which will cause frame lost. + * The encoder device mutex will be locked during encoding process, + * when encode done, the mutex unlocked. So if all encoder device mutex + * can be locked, which means there are no bufs being encoded at this + * time, then the buffer with LAST flag can return to client properly. + */ + for (i = 0; i < MTK_VENC_HW_MAX; i++) { + mutex_lock(&dev->enc_mutex[i]); + mutex_unlock(&dev->enc_mutex[i]); + } +} diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h index 8d486f532025..1d603ccb2f3d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h @@ -48,5 +48,7 @@ int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq, void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx); int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx); void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx); - +void mtk_venc_buf_done(struct mtk_vcodec_ctx *ctx, int core_id, + unsigned int bs_size, bool time_out, bool key_frame); +void mtk_venc_lock_all(struct mtk_vcodec_ctx *ctx); #endif /* _MTK_VCODEC_ENC_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_hw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_hw.c index 2a9112b0561d..687b255c58e8 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_hw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_hw.c @@ -12,6 +12,17 @@ #include "mtk_vcodec_enc_hw.h" #include "mtk_vcodec_enc_pm.h" #include "mtk_vcodec_enc.h" +#define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098 +#define VENC_PIC_FRM_TYPE 0x0010 +#define VENC_PIC_KEY_FRM 0x2 + +/* Wake up core context wait_queue */ +static void mtk_venc_comp_wake_up_ctx(struct mtk_vcodec_ctx *ctx, + unsigned int hw_id) +{ + ctx->int_cond = 1; + wake_up_interruptible(&ctx->queue); +} static void clean_irq_status(unsigned int irq_status, void __iomem *addr) { @@ -40,6 +51,9 @@ static irqreturn_t mtk_enc_comp_irq_handler(int irq, void *priv) struct mtk_vcodec_ctx *ctx; unsigned long flags; void __iomem *addr; + unsigned int bs_size; + unsigned int frm_type; + bool is_key_frame = 0; spin_lock_irqsave(&dev->master_dev->irqlock, flags); ctx = dev->curr_ctx; @@ -49,7 +63,28 @@ static irqreturn_t mtk_enc_comp_irq_handler(int irq, void *priv) addr = dev->reg_base + MTK_VENC_IRQ_ACK_OFFSET; ctx->irq_status = readl(dev->reg_base + MTK_VENC_IRQ_STATUS_OFFSET); + bs_size = readl(dev->reg_base + VENC_PIC_BITSTREAM_BYTE_CNT); + frm_type = readl(dev->reg_base + VENC_PIC_FRM_TYPE); clean_irq_status(ctx->irq_status, addr); + if (ctx->irq_status & MTK_VENC_IRQ_STATUS_FRM) { + if (ctx->hdr_size != 0) { + bs_size += ctx->hdr_size; + ctx->hdr_size = 0; + } + if (frm_type & VENC_PIC_KEY_FRM) + is_key_frame = 1; + + mtk_venc_buf_done(ctx, dev->core_id, bs_size, 0, is_key_frame); + mtk_vcodec_enc_clock_off(dev->master_dev, dev->core_id); + + spin_lock_irqsave(&dev->master_dev->irqlock, flags); + dev->curr_ctx = NULL; + spin_unlock_irqrestore(&dev->master_dev->irqlock, flags); + + mtk_venc_unlock(ctx, dev->core_id); + } else { + mtk_venc_comp_wake_up_ctx(ctx, dev->core_id); + } return IRQ_HANDLED; } diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h index 0027747c0a27..7321b7537f20 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h @@ -15,6 +15,7 @@ struct mtk_vcodec_mem { size_t size; void *va; dma_addr_t dma_addr; + void *buf; }; struct mtk_vcodec_fb { diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_common_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_common_if.c index 1580bd1beaac..75b4e90232ae 100644 --- a/drivers/media/platform/mtk-vcodec/venc/venc_common_if.c +++ b/drivers/media/platform/mtk-vcodec/venc/venc_common_if.c @@ -481,6 +481,13 @@ static int venc_encode(void *handle, unsigned int bs_size_hdr; unsigned int bs_size_frm; + /* + * the frm_buf and bs_buf need to be recorded into ctx, + * when encoding done, the target buffer can be obtained + */ + ctx->pfrm_buf[ctx->hw_id] = frm_buf->src_addr; + ctx->pbs_buf[ctx->hw_id] = bs_buf->buf; + if (!inst->prepend_hdr) { ret = venc_encode_frame(inst, frm_buf, bs_buf, &result->bs_size, ctx->hw_id); @@ -528,6 +535,8 @@ static int venc_encode(void *handle, result->bs_size = hdr_sz + filler_sz + bs_size_frm; + ctx->hdr_size = hdr_sz + filler_sz; + mtk_vcodec_debug(inst, "hdr %d filler %d frame %d bs %d", hdr_sz, filler_sz, bs_size_frm, result->bs_size); diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.h b/drivers/media/platform/mtk-vcodec/venc_drv_if.h index 7bd1f437d8e3..50824e718c91 100644 --- a/drivers/media/platform/mtk-vcodec/venc_drv_if.h +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.h @@ -108,9 +108,11 @@ struct venc_frame_info { /* * struct venc_frm_buf - frame buffer information used in venc_if_encode() * @fb_addr: plane frame buffer addresses + * @src_addr: vb2_v4l2_buffer src buffer address */ struct venc_frm_buf { struct mtk_vcodec_fb fb_addr[MTK_VCODEC_MAX_PLANES]; + void *src_addr; }; /*