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From:   Smitha T Murthy <smitha.t@samsung.com>
To:     linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Cc:     m.szyprowski@samsung.com, andrzej.hajda@intel.com,
        mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
        ezequiel@vanguardiasur.com.ar, jernej.skrabec@gmail.com,
        benjamin.gaignard@collabora.com, stanimir.varbanov@linaro.org,
        dillon.minfei@gmail.com, david.plowman@raspberrypi.com,
        mark.rutland@arm.com, robh+dt@kernel.org, krzk+dt@kernel.org,
        andi@etezian.org, alim.akhtar@samsung.com,
        aswani.reddy@samsung.com, pankaj.dubey@samsung.com,
        Smitha T Murthy <smitha.t@samsung.com>, linux-fsd@tesla.com
Subject: [PATCH 10/20] media: s5p-mfc: Add support for rate controls in
 MFCv12
Date:   Tue, 17 May 2022 18:25:38 +0530
Message-Id: <20220517125548.14746-11-smitha.t@samsung.com>
In-Reply-To: <20220517125548.14746-1-smitha.t@samsung.com>
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References: <20220517125548.14746-1-smitha.t@samsung.com>
        <CGME20220517125622epcas5p324e57e1a7d76f77898d54eb01686945a@epcas5p3.samsung.com>
Precedence: bulk

In MFCv12, the rc configs are changed with support for
CBR loose, CBR tight and Variable Bitrate (VBR) added.

Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
---
 .../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 22 +++++++++++++++----
 .../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h |  1 +
 2 files changed, 19 insertions(+), 4 deletions(-)

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 425c708eddcc..7db7945ea80f 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
@@ -1048,10 +1048,24 @@ static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
 
 	/* reaction coefficient */
 	if (p->rc_frame) {
-		if (p->rc_reaction_coeff < TIGHT_CBR_MAX) /* tight CBR */
-			writel(1, mfc_regs->e_rc_mode);
-		else					  /* loose CBR */
-			writel(2, mfc_regs->e_rc_mode);
+		if (IS_MFCV12(dev)) {
+			/* loose CBR */
+			if (p->rc_reaction_coeff < LOOSE_CBR_MAX)
+				writel(1, mfc_regs->e_rc_mode);
+			/* tight CBR */
+			else if (p->rc_reaction_coeff < TIGHT_CBR_MAX)
+				writel(0, mfc_regs->e_rc_mode);
+			/* VBR */
+			else
+				writel(2, mfc_regs->e_rc_mode);
+		} else {
+			/* tight CBR */
+			if (p->rc_reaction_coeff < TIGHT_CBR_MAX)
+				writel(1, mfc_regs->e_rc_mode);
+			/* loose CBR */
+			else
+				writel(2, mfc_regs->e_rc_mode);
+		}
 	}
 
 	/* seq header ctrl */
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
index ee2018ee95cc..f09499ba153d 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
@@ -44,6 +44,7 @@
 #define ENC_H264_LEVEL_MAX		42
 #define ENC_MPEG4_VOP_TIME_RES_MAX	((1 << 16) - 1)
 #define FRAME_DELTA_H264_H263		1
+#define LOOSE_CBR_MAX			5
 #define TIGHT_CBR_MAX			10
 #define ENC_HEVC_RC_FRAME_RATE_MAX	((1 << 16) - 1)
 #define ENC_HEVC_QP_INDEX_MIN		-12
-- 
2.17.1