From patchwork Thu Jun 22 13:13:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 695821 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 D0E0BC001DB for ; Thu, 22 Jun 2023 13:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231613AbjFVNOE (ORCPT ); Thu, 22 Jun 2023 09:14:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231607AbjFVNOD (ORCPT ); Thu, 22 Jun 2023 09:14:03 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B778910F8; Thu, 22 Jun 2023 06:14:01 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:7d72:676c:e745:a6ef]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id C8242660712A; Thu, 22 Jun 2023 14:13:59 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1687439640; bh=rIFi9nI9oOmxH+BS4YnCMnkoeVakCslz/qMxBQ3B9rg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MOqdLbkq2AQHq8FAr2JuOBighmg47fId1/MSzd02Ldhp9KYzfGIUGxZBVyQS1F2Qj dRmSTQn7IKwwGoZnSIEEkb2B5qQg9dnuhxkRTmOVANLdaAV3AS2Wqqd8qDRs8e2vX5 TAQqEGHzpdpQ8AayfY17P838vZVY6EoIq5SPkMxbQRCiWqChIAiuQipzSz5Re57gi2 exfiDw8g3IVvMmiXQdyXw1ZhauNKw4qyX+HCW/njJf94u/Rm9mM+2i7ogpOlAMrxK9 MYxhXqa+5/0qN8XH6WNz4Hd0ODEyvk77T8hEhWXpKJUbM1wLFJ+/1je4anpMtkZpbs QPJti33S5Tycw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v3 05/11] media: verisilicon: Refactor postprocessor to store more buffers Date: Thu, 22 Jun 2023 15:13:43 +0200 Message-Id: <20230622131349.144160-6-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230622131349.144160-1-benjamin.gaignard@collabora.com> References: <20230622131349.144160-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Like for vb queues remove VB2_MAX_FRAME upper limit on postprocessor buffers storage capacity. If a buffer hasn't been allocated when setting up the queue make possible to alloc it on the fly while streaming. This happens when resolution change between keyframes. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/verisilicon/hantro.h | 6 +- .../media/platform/verisilicon/hantro_hw.h | 6 +- .../platform/verisilicon/hantro_postproc.c | 109 ++++++++++++------ .../media/platform/verisilicon/hantro_v4l2.c | 12 +- 4 files changed, 82 insertions(+), 51 deletions(-) diff --git a/drivers/media/platform/verisilicon/hantro.h b/drivers/media/platform/verisilicon/hantro.h index 2989ebc631cc..bd0dca11b90a 100644 --- a/drivers/media/platform/verisilicon/hantro.h +++ b/drivers/media/platform/verisilicon/hantro.h @@ -460,12 +460,14 @@ hantro_get_dst_buf(struct hantro_ctx *ctx) bool hantro_needs_postproc(const struct hantro_ctx *ctx, const struct hantro_fmt *fmt); +dma_addr_t +hantro_postproc_get_dec_buf_addr(struct hantro_ctx *ctx, int index); static inline dma_addr_t hantro_get_dec_buf_addr(struct hantro_ctx *ctx, struct vb2_buffer *vb) { if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt)) - return ctx->postproc.dec_q[vb->index].dma; + return hantro_postproc_get_dec_buf_addr(ctx, vb->index); return vb2_dma_contig_plane_dma_addr(vb, 0); } @@ -477,8 +479,8 @@ vb2_to_hantro_decoded_buf(struct vb2_buffer *buf) void hantro_postproc_disable(struct hantro_ctx *ctx); void hantro_postproc_enable(struct hantro_ctx *ctx); +int hantro_postproc_init(struct hantro_ctx *ctx); void hantro_postproc_free(struct hantro_ctx *ctx); -int hantro_postproc_alloc(struct hantro_ctx *ctx); int hanto_postproc_enum_framesizes(struct hantro_ctx *ctx, struct v4l2_frmsizeenum *fsize); diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h index 9e8faf7ba6fb..5c7b6e04aded 100644 --- a/drivers/media/platform/verisilicon/hantro_hw.h +++ b/drivers/media/platform/verisilicon/hantro_hw.h @@ -15,8 +15,6 @@ #include #include -#define VB2_MAX_FRAME 32 - #define DEC_8190_ALIGN_MASK 0x07U #define MB_DIM 16 @@ -252,10 +250,10 @@ struct hantro_vp9_dec_hw_ctx { /** * struct hantro_postproc_ctx * - * @dec_q: References buffers, in decoder format. + * @dec_refs_xa: References buffers, in decoder format. */ struct hantro_postproc_ctx { - struct hantro_aux_buf dec_q[VB2_MAX_FRAME]; + struct xarray dec_refs_xa; }; /** diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c index 6437423ccf3a..a6b67d0cc66c 100644 --- a/drivers/media/platform/verisilicon/hantro_postproc.c +++ b/drivers/media/platform/verisilicon/hantro_postproc.c @@ -170,36 +170,23 @@ static int hantro_postproc_g2_enum_framesizes(struct hantro_ctx *ctx, return 0; } -void hantro_postproc_free(struct hantro_ctx *ctx) +static int hantro_postproc_alloc(struct hantro_ctx *ctx, int index) { struct hantro_dev *vpu = ctx->dev; - unsigned int i; - - for (i = 0; i < VB2_MAX_FRAME; ++i) { - struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i]; - - if (priv->cpu) { - dma_free_attrs(vpu->dev, priv->size, priv->cpu, - priv->dma, priv->attrs); - priv->cpu = NULL; - } - } -} - -int hantro_postproc_alloc(struct hantro_ctx *ctx) -{ - struct hantro_dev *vpu = ctx->dev; - struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx; - struct vb2_queue *cap_queue = &m2m_ctx->cap_q_ctx.q; - unsigned int num_buffers = cap_queue->num_buffers; struct v4l2_pix_format_mplane pix_mp; const struct hantro_fmt *fmt; - unsigned int i, buf_size; + struct hantro_aux_buf *priv; + unsigned int buf_size; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; /* this should always pick native format */ fmt = hantro_get_default_fmt(ctx, false, ctx->bit_depth); if (!fmt) return -EINVAL; + v4l2_fill_pixfmt_mp(&pix_mp, fmt->fourcc, ctx->src_fmt.width, ctx->src_fmt.height); @@ -214,20 +201,74 @@ int hantro_postproc_alloc(struct hantro_ctx *ctx) buf_size += hantro_hevc_mv_size(pix_mp.width, pix_mp.height); - for (i = 0; i < num_buffers; ++i) { - struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i]; - - /* - * The buffers on this queue are meant as intermediate - * buffers for the decoder, so no mapping is needed. - */ - priv->attrs = DMA_ATTR_NO_KERNEL_MAPPING; - priv->cpu = dma_alloc_attrs(vpu->dev, buf_size, &priv->dma, - GFP_KERNEL, priv->attrs); - if (!priv->cpu) - return -ENOMEM; - priv->size = buf_size; + /* + * The buffers on this queue are meant as intermediate + * buffers for the decoder, so no mapping is needed. + */ + priv->attrs = DMA_ATTR_NO_KERNEL_MAPPING; + priv->cpu = dma_alloc_attrs(vpu->dev, buf_size, &priv->dma, GFP_KERNEL, priv->attrs); + if (!priv->cpu) + return -ENOMEM; + + priv->size = buf_size; + + xa_store(&ctx->postproc.dec_refs_xa, index, priv, GFP_KERNEL); + + return 0; +} + +void hantro_postproc_free(struct hantro_ctx *ctx) +{ + struct hantro_dev *vpu = ctx->dev; + struct hantro_aux_buf *priv; + unsigned long i; + + xa_for_each(&ctx->postproc.dec_refs_xa, i, priv) { + dma_free_attrs(vpu->dev, priv->size, priv->cpu, priv->dma, priv->attrs); + kfree(priv); + } + + xa_destroy(&ctx->postproc.dec_refs_xa); +} + +int hantro_postproc_init(struct hantro_ctx *ctx) +{ + struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx; + struct vb2_queue *cap_queue = &m2m_ctx->cap_q_ctx.q; + unsigned int num_buffers = cap_queue->num_buffers; + int i, ret = 0; + + xa_init_flags(&ctx->postproc.dec_refs_xa, XA_FLAGS_ALLOC); + + for (i = 0; i < num_buffers; i++) { + ret = hantro_postproc_alloc(ctx, i); + if (ret < 0) { + hantro_postproc_free(ctx); + return ret; + } } + + return ret; +} + +dma_addr_t +hantro_postproc_get_dec_buf_addr(struct hantro_ctx *ctx, int index) +{ + struct hantro_aux_buf *priv = xa_load(&ctx->postproc.dec_refs_xa, index); + int ret; + + if (priv) + return priv->dma; + + /* buffer not already allocated, try getting a new one */ + ret = hantro_postproc_alloc(ctx, index); + if (ret < 0) + return 0; + + priv = xa_load(&ctx->postproc.dec_refs_xa, index); + if (priv) + return priv->dma; + return 0; } diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c index 61cfaaf4e927..0f615c1001c0 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -894,20 +894,10 @@ static int hantro_start_streaming(struct vb2_queue *q, unsigned int count) ret = ctx->codec_ops->init(ctx); if (ret) return ret; - } - - if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt)) { - ret = hantro_postproc_alloc(ctx); - if (ret) - goto err_codec_exit; + ret = hantro_postproc_init(ctx); } } return ret; - -err_codec_exit: - if (ctx->codec_ops->exit) - ctx->codec_ops->exit(ctx); - return ret; } static void