Re: [PATCH v3 1/7] media: hantro: Store HEVC bit depth in context

From: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
To: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Cc: mchehab@kernel.org, hverkuil@xs4all.nl, p.zabel@pengutronix.de,
	gregkh@linuxfoundation.org, mripard@kernel.org,
	paul.kocialkowski@bootlin.com, wens@csie.org,
	jernej.skrabec@gmail.com, samuel@sholland.org,
	nicolas.dufresne@collabora.com, andrzej.p@collabora.com,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	linux-staging@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, kernel@collabora.com
Subject: Re: [PATCH v3 1/7] media: hantro: Store HEVC bit depth in context
Date: Tue, 30 Aug 2022 15:17:16 -0300	[thread overview]
Message-ID: <Yw5ULOEDLWaHQav7@eze-laptop> (raw)
In-Reply-To: <20220829162159.881588-2-benjamin.gaignard@collabora.com>

Hi Benjamin,

On Mon, Aug 29, 2022 at 06:21:53PM +0200, Benjamin Gaignard wrote:
> Store HEVC bit depth in context.
> Bit depth is equal to hevc sps bit_depth_luma_minus8 + 8.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>

Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>

Looks good!

I have limited access to the hardware at the moment.

Can you make sure things look good not only for HEVC
but also for the other codecs?

Thanks!
Ezequiel

> ---
> version 3:
> - Based on top of Ezequiel's patch "media: destage Hantro VPU driver"
>  drivers/media/platform/verisilicon/hantro_drv.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c
> index 2036f72eeb4a..1dd8312d824c 100644
> --- a/drivers/media/platform/verisilicon/hantro_drv.c
> +++ b/drivers/media/platform/verisilicon/hantro_drv.c
> @@ -251,6 +251,11 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
>  
>  static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
>  {
> +	struct hantro_ctx *ctx;
> +
> +	ctx = container_of(ctrl->handler,
> +			   struct hantro_ctx, ctrl_handler);
> +
>  	if (ctrl->id == V4L2_CID_STATELESS_H264_SPS) {
>  		const struct v4l2_ctrl_h264_sps *sps = ctrl->p_new.p_h264_sps;
>  
> @@ -272,6 +277,8 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
>  		if (sps->bit_depth_luma_minus8 != 0)
>  			/* Only 8-bit is supported */
>  			return -EINVAL;
> +
> +		ctx->bit_depth = sps->bit_depth_luma_minus8 + 8;
>  	} else if (ctrl->id == V4L2_CID_STATELESS_VP9_FRAME) {
>  		const struct v4l2_ctrl_vp9_frame *dec_params = ctrl->p_new.p_vp9_frame;
>  
> -- 
> 2.32.0
> 

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