linux-kernel - [RFC PATCH 6/8] media: hantro: Store VP9 bit depth in context

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Date:   Sun, 27 Feb 2022 15:49:24 +0100
From:   Jernej Skrabec <jernej.skrabec@...il.com>
To:     ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de
Cc:     mchehab@...nel.org, nicolas@...fresne.ca, hverkuil-cisco@...all.nl,
        gregkh@...uxfoundation.org, wens@...e.org, samuel@...lland.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        Jernej Skrabec <jernej.skrabec@...il.com>
Subject: [RFC PATCH 6/8] media: hantro: Store VP9 bit depth in context

Now that we have proper infrastructure for postprocessing 10-bit
formats, store VP9 bit depth in context.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
---
 drivers/staging/media/hantro/hantro_drv.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index 6a51f39dde56..305090365e74 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -320,6 +320,24 @@ static int hantro_hevc_s_ctrl(struct v4l2_ctrl *ctrl)
 	return 0;
 }
 
+static int hantro_vp9_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct hantro_ctx *ctx;
+
+	ctx = container_of(ctrl->handler,
+			   struct hantro_ctx, ctrl_handler);
+
+	switch (ctrl->id) {
+	case V4L2_CID_STATELESS_VP9_FRAME:
+		ctx->bit_depth = ctrl->p_new.p_vp9_frame->bit_depth;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static const struct v4l2_ctrl_ops hantro_ctrl_ops = {
 	.try_ctrl = hantro_try_ctrl,
 };
@@ -332,6 +350,10 @@ static const struct v4l2_ctrl_ops hantro_hevc_ctrl_ops = {
 	.s_ctrl = hantro_hevc_s_ctrl,
 };
 
+static const struct v4l2_ctrl_ops hantro_vp9_ctrl_ops = {
+	.s_ctrl = hantro_vp9_s_ctrl,
+};
+
 static const struct hantro_ctrl controls[] = {
 	{
 		.codec = HANTRO_JPEG_ENCODER,
@@ -478,6 +500,7 @@ static const struct hantro_ctrl controls[] = {
 		.codec = HANTRO_VP9_DECODER,
 		.cfg = {
 			.id = V4L2_CID_STATELESS_VP9_FRAME,
+			.ops = &hantro_vp9_ctrl_ops,
 		},
 	}, {
 		.codec = HANTRO_VP9_DECODER,
-- 
2.35.1