From patchwork Wed May 18 12:30:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 12853609 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CADF3C4332F for ; Wed, 18 May 2022 12:35:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236759AbiERMfr (ORCPT ); Wed, 18 May 2022 08:35:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237234AbiERMev (ORCPT ); Wed, 18 May 2022 08:34:51 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34AA719C39C; Wed, 18 May 2022 05:30:24 -0700 (PDT) X-UUID: a90ce1dac9cb4b08a82d395dc40d5f2e-20220518 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:b37b88dd-6fd5-4243-9e0b-fecd8731d1a0,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09,CLOUDID:6c4ca7e2-edbf-4bd4-8a34-dfc5f7bb086d,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: a90ce1dac9cb4b08a82d395dc40d5f2e-20220518 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1539378928; Wed, 18 May 2022 20:30:18 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 18 May 2022 20:30:17 +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; Wed, 18 May 2022 20:30:15 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: George Sun , Xiaoyong Lu , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , dri-devel , Irui Wang , Steve Cho , , , , , , Subject: [PATCH v7, 7/7] media: mediatek: vcodec: Add to support H264 inner racing mode Date: Wed, 18 May 2022 20:30:04 +0800 Message-ID: <20220518123004.18286-8-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220518123004.18286-1-yunfei.dong@mediatek.com> References: <20220518123004.18286-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In order to reduce decoder latency, enable H264 inner racing mode. Send lat trans buffer information to core when trigger lat to work, need not to wait until lat decode done. Signed-off-by: Yunfei Dong --- .../mediatek/vcodec/mtk_vcodec_dec_drv.c | 4 +++ .../mediatek/vcodec/mtk_vcodec_dec_pm.c | 34 +++++++++++++++++++ .../platform/mediatek/vcodec/mtk_vcodec_drv.h | 11 ++++++ .../vcodec/vdec/vdec_h264_req_multi_if.c | 25 +++++++++++--- 4 files changed, 69 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c index 928179354c24..3f63abbf289e 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c @@ -388,6 +388,10 @@ static int mtk_vcodec_probe(struct platform_device *pdev) } } + atomic_set(&dev->dec_active_cnt, 0); + memset(dev->vdec_racing_info, 0, sizeof(dev->vdec_racing_info)); + mutex_init(&dev->dec_racing_info_mutex); + ret = video_register_device(vfd_dec, VFL_TYPE_VIDEO, -1); if (ret) { mtk_v4l2_err("Failed to register video device"); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c index d69faa463d04..4305e4eb9900 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c @@ -144,6 +144,34 @@ static void mtk_vcodec_dec_disable_irq(struct mtk_vcodec_dev *vdec_dev, int hw_i } } +static void mtk_vcodec_load_racing_info(struct mtk_vcodec_ctx *ctx) +{ + void __iomem *vdec_racing_addr; + int j; + + mutex_lock(&ctx->dev->dec_racing_info_mutex); + if (atomic_inc_return(&ctx->dev->dec_active_cnt) == 1) { + vdec_racing_addr = ctx->dev->reg_base[VDEC_MISC] + 0x100; + for (j = 0; j < 132; j++) + writel(ctx->dev->vdec_racing_info[j], vdec_racing_addr + j * 4); + } + mutex_unlock(&ctx->dev->dec_racing_info_mutex); +} + +static void mtk_vcodec_record_racing_info(struct mtk_vcodec_ctx *ctx) +{ + void __iomem *vdec_racing_addr; + int j; + + mutex_lock(&ctx->dev->dec_racing_info_mutex); + if (atomic_dec_and_test(&ctx->dev->dec_active_cnt)) { + vdec_racing_addr = ctx->dev->reg_base[VDEC_MISC] + 0x100; + for (j = 0; j < 132; j++) + ctx->dev->vdec_racing_info[j] = readl(vdec_racing_addr + j * 4); + } + mutex_unlock(&ctx->dev->dec_racing_info_mutex); +} + static struct mtk_vcodec_pm *mtk_vcodec_dec_get_pm(struct mtk_vcodec_dev *vdec_dev, int hw_idx) { @@ -214,11 +242,17 @@ void mtk_vcodec_dec_enable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx) mtk_vcodec_dec_child_dev_on(ctx->dev, hw_idx); mtk_vcodec_dec_enable_irq(ctx->dev, hw_idx); + + if (IS_VDEC_INNER_RACING(ctx->dev->dec_capability)) + mtk_vcodec_load_racing_info(ctx); } EXPORT_SYMBOL_GPL(mtk_vcodec_dec_enable_hardware); void mtk_vcodec_dec_disable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx) { + if (IS_VDEC_INNER_RACING(ctx->dev->dec_capability)) + mtk_vcodec_record_racing_info(ctx); + mtk_vcodec_dec_disable_irq(ctx->dev, hw_idx); mtk_vcodec_dec_child_dev_off(ctx->dev, hw_idx); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h index 0e3db8ccb398..eeee880eccdd 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h @@ -28,6 +28,7 @@ #define MTK_V4L2_BENCHMARK 0 #define WAIT_INTR_TIMEOUT_MS 1000 #define IS_VDEC_LAT_ARCH(hw_arch) ((hw_arch) >= MTK_VDEC_LAT_SINGLE_CORE) +#define IS_VDEC_INNER_RACING(capability) ((capability) & MTK_VCODEC_INNER_RACING) /* * enum mtk_hw_reg_idx - MTK hw register base index @@ -357,6 +358,7 @@ enum mtk_vdec_format_types { MTK_VDEC_FORMAT_H264_SLICE = 0x100, MTK_VDEC_FORMAT_VP8_FRAME = 0x200, MTK_VDEC_FORMAT_VP9_FRAME = 0x400, + MTK_VCODEC_INNER_RACING = 0x20000, }; /** @@ -478,6 +480,10 @@ struct mtk_vcodec_enc_pdata { * @subdev_dev: subdev hardware device * @subdev_prob_done: check whether all used hw device is prob done * @subdev_bitmap: used to record hardware is ready or not + * + * @dec_active_cnt: used to mark whether need to record register value + * @vdec_racing_info: record register value + * @dec_racing_info_mutex: mutex lock used for inner racing mode */ struct mtk_vcodec_dev { struct v4l2_device v4l2_dev; @@ -523,6 +529,11 @@ struct mtk_vcodec_dev { void *subdev_dev[MTK_VDEC_HW_MAX]; int (*subdev_prob_done)(struct mtk_vcodec_dev *vdec_dev); DECLARE_BITMAP(subdev_bitmap, MTK_VDEC_HW_MAX); + + atomic_t dec_active_cnt; + u32 vdec_racing_info[132]; + /* Protects access to vdec_racing_info data */ + struct mutex dec_racing_info_mutex; }; static inline struct mtk_vcodec_ctx *fh_to_ctx(struct v4l2_fh *fh) diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_if.c index 1d9e753cf894..394b76e5d6c3 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_if.c +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_if.c @@ -626,6 +626,17 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs, goto err_scp_decode; } + share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr + + inst->vsi->wdma_end_addr_offset; + share_info->trans_start = inst->ctx->msg_queue.wdma_wptr_addr; + share_info->nal_info = inst->vsi->dec.nal_info; + + if (IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) { + memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params, + sizeof(share_info->h264_slice_params)); + vdec_msg_queue_qbuf(&inst->ctx->dev->msg_queue_core_ctx, lat_buf); + } + /* wait decoder done interrupt */ timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED, WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0); @@ -639,18 +650,22 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs, share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr + inst->vsi->wdma_end_addr_offset; - share_info->trans_start = inst->ctx->msg_queue.wdma_wptr_addr; - share_info->nal_info = inst->vsi->dec.nal_info; vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue, share_info->trans_end); - memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params, - sizeof(share_info->h264_slice_params)); - vdec_msg_queue_qbuf(&inst->ctx->dev->msg_queue_core_ctx, lat_buf); + if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) { + memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params, + sizeof(share_info->h264_slice_params)); + vdec_msg_queue_qbuf(&inst->ctx->dev->msg_queue_core_ctx, lat_buf); + } + mtk_vcodec_debug(inst, "dec num: %d lat crc: 0x%x 0x%x 0x%x", inst->slice_dec_num, + inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], inst->vsi->dec.crc[2]); inst->slice_dec_num++; return 0; err_scp_decode: + if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) + vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf); err_free_fb_out: vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf); mtk_vcodec_err(inst, "slice dec number: %d err: %d", inst->slice_dec_num, err);