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 ADCB03216 for ; Tue, 5 Apr 2022 20:45:24 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nicolas) with ESMTPSA id 1784D1F448E3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1649191523; bh=OT93d1YFbCsPl7b/q8Q9Ng7KBwuAX7su/L0Pt2JnS6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nNvEk9FSqJ+Zr8rUxgKxyJSmv6mX4qQyAS+tDBzhdTzBvK71pbtUjfCi32itjn3dB bt32fyf4cP3I7CJmuyPKvK0UJvZFE0r4V0b9yrhHXajgEfKLUNFdiBUXnGGRmzKqjc 2Ye9J38BecODqViFHR05ROYN/bKVTU3K/+Mn9I3/cVLGPmTvB2C/hsWGWiyPWM3aQX Jst3N1NJctC3fkzp2h9zFGrHiDf432EHwN8wiv2lIORH/CW6rvAn7dt3WjTUmMfECD 4oD08X/MZoh3NhOUyTUw3kZAH1GTL74v5hAq8cDJYwQDW3wF5FXWKiHyOwkZyIUXEe /w5Rxy1mhcmyQ== From: Nicolas Dufresne To: Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, Sebastian Fricke , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev Subject: [PATCH v3 24/24] media: hantro: Enable HOLD_CAPTURE_BUF for H.264 Date: Tue, 5 Apr 2022 16:44:25 -0400 Message-Id: <20220405204426.259074-25-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220405204426.259074-1-nicolas.dufresne@collabora.com> References: <20220405204426.259074-1-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