From patchwork Thu Mar 31 19:37:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Dufresne X-Patchwork-Id: 555436 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 777F4C433FE for ; Thu, 31 Mar 2022 19:38:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240929AbiCaTk3 (ORCPT ); Thu, 31 Mar 2022 15:40:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240919AbiCaTkF (ORCPT ); Thu, 31 Mar 2022 15:40:05 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC68823D776; Thu, 31 Mar 2022 12:38:08 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nicolas) with ESMTPSA id 3B01D1F47267 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1648755487; bh=OT93d1YFbCsPl7b/q8Q9Ng7KBwuAX7su/L0Pt2JnS6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BLW245FpFm1U2UG9Q60ps8Hy5eaR5MstdHCKZC9iaLqioT1JxP0Ik2h47Oz0cI5q+ nymV4c/TmmiMxn74T88xYmfybIfMYgJkv7o77E3jpk70cL23DhF7aRtguFzaLrnqoh dHiZNVYcZUOHsGjrnr6NITnlqQ6ObBxMZw3arQiNXg8cbPw49iMuSJwXkUE08cy0/+ wZyuoDSxWdCWvM3BZvad4t/+1W0pN6HEs7UWwzbMTzr4PkUwwp9hyRbQP1JYDxc0GM a04j+gWFgGlMgLmR/4lgoYf0zjTgy5IjANtDtQFDLV5J+K13RE4wF6N8SQaxZ8sHkO diWgQU/zMSnQQ== From: Nicolas Dufresne To: Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman Cc: kernel@collabora.com, Sebastian Fricke , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 20/23] media: hantro: Enable HOLD_CAPTURE_BUF for H.264 Date: Thu, 31 Mar 2022 15:37:22 -0400 Message-Id: <20220331193726.289559-21-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220331193726.289559-1-nicolas.dufresne@collabora.com> References: <20220331193726.289559-1-nicolas.dufresne@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This is needed to optimize field decoding. Each field will be decoded into the same capture buffer. To be able to queue multiple buffers, we need to be able to ask the driver to hold the capture buffer. Signed-off-by: Nicolas Dufresne Reviewed-by: Sebastian Fricke --- drivers/staging/media/hantro/hantro_v4l2.c | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c index 67148ba346f5..50d636678ff3 100644 --- a/drivers/staging/media/hantro/hantro_v4l2.c +++ b/drivers/staging/media/hantro/hantro_v4l2.c @@ -409,6 +409,30 @@ hantro_update_requires_request(struct hantro_ctx *ctx, u32 fourcc) } } +static void +hantro_update_requires_hold_capture_buf(struct hantro_ctx *ctx, u32 fourcc) +{ + struct vb2_queue *vq; + + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + + switch (fourcc) { + case V4L2_PIX_FMT_JPEG: + case V4L2_PIX_FMT_MPEG2_SLICE: + case V4L2_PIX_FMT_VP8_FRAME: + case V4L2_PIX_FMT_HEVC_SLICE: + case V4L2_PIX_FMT_VP9_FRAME: + vq->subsystem_flags &= ~(VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF); + break; + case V4L2_PIX_FMT_H264_SLICE: + vq->subsystem_flags |= VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF; + break; + default: + break; + } +} + static int hantro_set_fmt_out(struct hantro_ctx *ctx, struct v4l2_pix_format_mplane *pix_mp) { @@ -472,6 +496,7 @@ static int hantro_set_fmt_out(struct hantro_ctx *ctx, ctx->dst_fmt.quantization = pix_mp->quantization; hantro_update_requires_request(ctx, pix_mp->pixelformat); + hantro_update_requires_hold_capture_buf(ctx, pix_mp->pixelformat); vpu_debug(0, "OUTPUT codec mode: %d\n", ctx->vpu_src_fmt->codec_mode); vpu_debug(0, "fmt - w: %d, h: %d\n",