From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 871C163D for ; Tue, 26 Apr 2022 12:58:47 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nicolas) with ESMTPSA id DCF2E1F439A0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1650977922; bh=OT93d1YFbCsPl7b/q8Q9Ng7KBwuAX7su/L0Pt2JnS6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cBZN0vuWa0CQYiFTtznCmJ69cnWWpBJjUsOTglusEeiqSVayUvm4THtei/qrnz+XU sxKfjpwT+fa/HTO2lmpV7wL724s3r+9mMdahR1qJH2P8t1iXck7NuGbaxaJly5vKqm +CnjtVkTT3iaegGldibqCE7Vq/khasZDDfEUwlJxfHfFV8bcR5uN90Z9I3HPpzsrwr H5DMc5649WTvQ9vq9OrnHgzL20sr2Z3Y9i6F2AjFq/IVQ6dGlbdqjLCg5i3ua4vQp1 94j5HRwXA2ySzWD6Zqm1P5Cu2nEMfyBeoAfYWvwy7OQ8HM7PJJY/Mr1lI+iWwHPo40 nEC1lF3RULBxw== From: Nicolas Dufresne To: Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman Cc: nicolas@ndufresne.ca, linux-media@vger.kernel.org, Sebastian Fricke , linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v4 24/24] media: hantro: Enable HOLD_CAPTURE_BUF for H.264 Date: Tue, 26 Apr 2022 08:57:50 -0400 Message-Id: <20220426125751.108293-25-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220426125751.108293-1-nicolas.dufresne@collabora.com> References: <20220426125751.108293-1-nicolas.dufresne@collabora.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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", -- 2.34.1