linux-kernel - [Patch v3 10/15] media: s5p-mfc: Add support for UHD encoding.

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Date:   Tue, 11 Oct 2022 17:55:11 +0530
From:   aakarsh jain <aakarsh.jain@...sung.com>
To:     linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc:     m.szyprowski@...sung.com, andrzej.hajda@...el.com,
        mchehab@...nel.org, hverkuil-cisco@...all.nl,
        ezequiel@...guardiasur.com.ar, jernej.skrabec@...il.com,
        benjamin.gaignard@...labora.com, stanimir.varbanov@...aro.org,
        dillon.minfei@...il.com, david.plowman@...pberrypi.com,
        mark.rutland@....com, robh+dt@...nel.org, krzk+dt@...nel.org,
        andi@...zian.org, alim.akhtar@...sung.com,
        aswani.reddy@...sung.com, pankaj.dubey@...sung.com,
        linux-fsd@...la.com, smitha.t@...sung.com, aakarsh.jain@...sung.com
Subject: [Patch v3 10/15] media: s5p-mfc: Add support for UHD encoding.

From: Smitha T Murthy <smitha.t@...sung.com>

MFC driver had restriction on max resolution of 1080p, updated it for
UHD. Added corresponding support to set recommended profile and level
for H264 in UHD scenario.

Cc: linux-fsd@...la.com
Signed-off-by: Smitha T Murthy <smitha.t@...sung.com>
Signed-off-by: Aakarsh Jain <aakarsh.jain@...sung.com>
---
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c |  9 ++++++---
 .../media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c  | 12 ++++++++++++
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c
index b761b9a31383..f953a3ed7f20 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c
@@ -1628,9 +1628,12 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
 			mfc_err("Unsupported format by this MFC version.\n");
 			return -EINVAL;
 		}
-
-		v4l_bound_align_image(&pix_fmt_mp->width, 8, 1920, 1,
-			&pix_fmt_mp->height, 4, 1080, 1, 0);
+		if (IS_MFCV12(dev))
+			v4l_bound_align_image(&pix_fmt_mp->width, 8, 3840, 1,
+					&pix_fmt_mp->height, 4, 2160, 1, 0);
+		else
+			v4l_bound_align_image(&pix_fmt_mp->width, 8, 1920, 1,
+					&pix_fmt_mp->height, 4, 1080, 1, 0);
 	} else {
 		mfc_err("invalid buf type\n");
 		return -EINVAL;
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
index 2194df7b6fbf..c4953419be0e 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
@@ -1116,6 +1116,18 @@ static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
 	reg |= ((p->num_b_frame & 0x3) << 16);
 	writel(reg, mfc_regs->e_gop_config);
 
+	/* UHD encoding case */
+	if ((ctx->img_width == 3840) && ctx->img_height == 2160) {
+		if (p_h264->level < 51) {
+			mfc_debug(2, "Set Level 5.1 for UHD\n");
+			p_h264->level = 51;
+		}
+		if (p_h264->profile != 0x2) {
+			mfc_debug(2, "Set High profile for UHD\n");
+			p_h264->profile = 0x2;
+		}
+	}
+
 	/* profile & level */
 	reg = 0;
 	/** level */
-- 
2.17.1