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From:   "Alim Akhtar" <alim.akhtar@samsung.com>
To:     "'Aakarsh Jain'" <aakarsh.jain@samsung.com>,
        <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>,
        <krzysztof.kozlowski+dt@linaro.org>, <dillon.minfei@gmail.com>,
        <david.plowman@raspberrypi.com>, <mark.rutland@arm.com>,
        <robh+dt@kernel.org>, <conor+dt@kernel.org>,
        <linux-samsung-soc@vger.kernel.org>, <andi@etezian.org>,
        <gost.dev@samsung.com>, <aswani.reddy@samsung.com>,
        <pankaj.dubey@samsung.com>, <ajaykumar.rs@samsung.com>,
        <linux-fsd@tesla.com>,
        "'Smitha T Murthy'" <smithatmurthy@gmail.com>
In-Reply-To: <20231025102216.50480-3-aakarsh.jain@samsung.com>
Subject: RE: [Patch v4 02/11] media: s5p-mfc: Rename IS_MFCV10 macro
Date:   Thu, 16 Nov 2023 10:30:00 +0530
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        <CGME20231025102237epcas5p28a5ad9db8d7dea072a6986d530810dde@epcas5p2.samsung.com>
        <20231025102216.50480-3-aakarsh.jain@samsung.com>
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Hi Aakarsh

> -----Original Message-----
> From: Aakarsh Jain <aakarsh.jain@samsung.com>
> Sent: Wednesday, October 25, 2023 3:52 PM
> 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;
> krzysztof.kozlowski+dt@linaro.org; dillon.minfei@gmail.com;
> david.plowman@raspberrypi.com; mark.rutland@arm.com;
> robh+dt@kernel.org; conor+dt@kernel.org; linux-samsung-
> soc@vger.kernel.org; andi@etezian.org; gost.dev@samsung.com;
> alim.akhtar@samsung.com; aswani.reddy@samsung.com;
> pankaj.dubey@samsung.com; ajaykumar.rs@samsung.com;
> aakarsh.jain@samsung.com; linux-fsd@tesla.com; Smitha T Murthy
> <smithatmurthy@gmail.com>
> Subject: [Patch v4 02/11] media: s5p-mfc: Rename IS_MFCV10 macro
> 
> Renames macro IS_MFCV10 to IS_MFCV10_PLUS so that the MFCv10 code
> can be resued for MFCv12 support. Since some part of MFCv10 specific code
> holds good for MFCv12 also.
> 
> Cc: linux-fsd@tesla.com
> Signed-off-by: Smitha T Murthy <smithatmurthy@gmail.com>
> Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
> ---

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>

>  .../platform/samsung/s5p-mfc/s5p_mfc_common.h | 10 +++----
>  .../platform/samsung/s5p-mfc/s5p_mfc_ctrl.c   |  2 +-
>  .../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 28 +++++++++----------
>  3 files changed, 20 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
> b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
> index 5304f42c8c72..e6ec4a43b290 100644
> --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
> +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
> @@ -771,11 +771,11 @@ void s5p_mfc_cleanup_queue(struct list_head *lh,
> struct vb2_queue *vq);
>  #define HAS_PORTNUM(dev)	(dev ? (dev->variant ? \
>  				(dev->variant->port_num ? 1 : 0) : 0) : 0)
>  #define IS_TWOPORT(dev)		(dev->variant->port_num == 2 ? 1 : 0)
> -#define IS_MFCV6_PLUS(dev)	(dev->variant->version >= 0x60 ? 1 :
> 0)
> -#define IS_MFCV7_PLUS(dev)	(dev->variant->version >= 0x70 ? 1 :
> 0)
> -#define IS_MFCV8_PLUS(dev)	(dev->variant->version >= 0x80 ? 1 :
> 0)
> -#define IS_MFCV10(dev)		(dev->variant->version >= 0xA0 ? 1 :
> 0)
> -#define FW_HAS_E_MIN_SCRATCH_BUF(dev) (IS_MFCV10(dev))
> +#define IS_MFCV6_PLUS(dev)	(dev->variant->version >= 0x60)
> +#define IS_MFCV7_PLUS(dev)	(dev->variant->version >= 0x70)
> +#define IS_MFCV8_PLUS(dev)	(dev->variant->version >= 0x80)
> +#define IS_MFCV10_PLUS(dev)	(dev->variant->version >= 0xA0)
> +#define FW_HAS_E_MIN_SCRATCH_BUF(dev) (IS_MFCV10_PLUS(dev))
> 
>  #define MFC_V5_BIT	BIT(0)
>  #define MFC_V6_BIT	BIT(1)
> diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
> b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
> index 6d3c92045c05..54b54b2fa9b1 100644
> --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
> +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
> @@ -236,7 +236,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
>  	else
>  		mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
> 
> -	if (IS_MFCV10(dev))
> +	if (IS_MFCV10_PLUS(dev))
>  		mfc_write(dev, 0x0, S5P_FIMV_MFC_CLOCK_OFF_V10);
> 
>  	mfc_debug(2, "Will now wait for completion of firmware
> transfer\n"); 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 c0df5ac9fcff..882166e4ac50 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
> @@ -72,9 +72,9 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
>  		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
>  	} else if (ctx->type == MFCINST_ENCODER) {
> -		if (IS_MFCV10(dev)) {
> +		if (IS_MFCV10_PLUS(dev))
>  			ctx->tmv_buffer_size = 0;
> -		} else if (IS_MFCV8_PLUS(dev))
> +		else if (IS_MFCV8_PLUS(dev))
>  			ctx->tmv_buffer_size =
> S5P_FIMV_NUM_TMV_BUFFERS_V6 *
> 
> 	ALIGN(S5P_FIMV_TMV_BUFFER_SIZE_V8(mb_width, mb_height),
>  			S5P_FIMV_TMV_BUFFER_ALIGN_V6);
> @@ -82,7 +82,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  			ctx->tmv_buffer_size =
> S5P_FIMV_NUM_TMV_BUFFERS_V6 *
> 
> 	ALIGN(S5P_FIMV_TMV_BUFFER_SIZE_V6(mb_width, mb_height),
>  			S5P_FIMV_TMV_BUFFER_ALIGN_V6);
> -		if (IS_MFCV10(dev)) {
> +		if (IS_MFCV10_PLUS(dev)) {
>  			lcu_width = S5P_MFC_LCU_WIDTH(ctx->img_width);
>  			lcu_height = S5P_MFC_LCU_HEIGHT(ctx-
> >img_height);
>  			if (ctx->codec_mode !=
> S5P_FIMV_CODEC_HEVC_ENC) { @@ -133,7 +133,7 @@ static int
> s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
>  	switch (ctx->codec_mode) {
>  	case S5P_MFC_CODEC_H264_DEC:
>  	case S5P_MFC_CODEC_H264_MVC_DEC:
> -		if (IS_MFCV10(dev))
> +		if (IS_MFCV10_PLUS(dev))
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  		else if (IS_MFCV8_PLUS(dev))
>  			ctx->scratch_buf_size =
> @@ -152,7 +152,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  			(ctx->mv_count * ctx->mv_size);
>  		break;
>  	case S5P_MFC_CODEC_MPEG4_DEC:
> -		if (IS_MFCV10(dev))
> +		if (IS_MFCV10_PLUS(dev))
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  		else if (IS_MFCV7_PLUS(dev)) {
>  			ctx->scratch_buf_size =
> @@ -172,7 +172,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  		break;
>  	case S5P_MFC_CODEC_VC1RCV_DEC:
>  	case S5P_MFC_CODEC_VC1_DEC:
> -		if (IS_MFCV10(dev))
> +		if (IS_MFCV10_PLUS(dev))
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  		else
>  			ctx->scratch_buf_size =
> @@ -189,7 +189,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  		ctx->bank2.size = 0;
>  		break;
>  	case S5P_MFC_CODEC_H263_DEC:
> -		if (IS_MFCV10(dev))
> +		if (IS_MFCV10_PLUS(dev))
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  		else
>  			ctx->scratch_buf_size =
> @@ -201,7 +201,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  		ctx->bank1.size = ctx->scratch_buf_size;
>  		break;
>  	case S5P_MFC_CODEC_VP8_DEC:
> -		if (IS_MFCV10(dev))
> +		if (IS_MFCV10_PLUS(dev))
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  		else if (IS_MFCV8_PLUS(dev))
>  			ctx->scratch_buf_size =
> @@ -230,7 +230,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  			DEC_VP9_STATIC_BUFFER_SIZE;
>  		break;
>  	case S5P_MFC_CODEC_H264_ENC:
> -		if (IS_MFCV10(dev)) {
> +		if (IS_MFCV10_PLUS(dev)) {
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  			ctx->me_buffer_size =
>  			ALIGN(ENC_V100_H264_ME_SIZE(mb_width,
> mb_height), 16); @@ -254,7 +254,7 @@ static int
> s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
>  		break;
>  	case S5P_MFC_CODEC_MPEG4_ENC:
>  	case S5P_MFC_CODEC_H263_ENC:
> -		if (IS_MFCV10(dev)) {
> +		if (IS_MFCV10_PLUS(dev)) {
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  			ctx->me_buffer_size =
> 
> 	ALIGN(ENC_V100_MPEG4_ME_SIZE(mb_width,
> @@ -273,7 +273,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct
> s5p_mfc_ctx *ctx)
>  		ctx->bank2.size = 0;
>  		break;
>  	case S5P_MFC_CODEC_VP8_ENC:
> -		if (IS_MFCV10(dev)) {
> +		if (IS_MFCV10_PLUS(dev)) {
>  			mfc_debug(2, "Use min scratch buffer size\n");
>  			ctx->me_buffer_size =
>  				ALIGN(ENC_V100_VP8_ME_SIZE(mb_width,
> mb_height), @@ -452,7 +452,7 @@ static void
> s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
> 
>  	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
>  			ctx->codec_mode ==
> S5P_MFC_CODEC_H264_MVC_DEC) {
> -		if (IS_MFCV10(dev)) {
> +		if (IS_MFCV10_PLUS(dev)) {
>  			ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V10(ctx-
> >img_width,
>  					ctx->img_height);
>  		} else {
> @@ -668,7 +668,7 @@ static int s5p_mfc_set_enc_ref_buffer_v6(struct
> s5p_mfc_ctx *ctx)
> 
>  	mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);
> 
> -	if (IS_MFCV10(dev)) {
> +	if (IS_MFCV10_PLUS(dev)) {
>  		/* start address of per buffer is aligned */
>  		for (i = 0; i < ctx->pb_count; i++) {
>  			writel(buf_addr1, mfc_regs->e_luma_dpb + (4 * i));
> @@ -2455,7 +2455,7 @@ const struct s5p_mfc_regs
> *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev)
>  	R(e_h264_options, S5P_FIMV_E_H264_OPTIONS_V8);
>  	R(e_min_scratch_buffer_size,
> S5P_FIMV_E_MIN_SCRATCH_BUFFER_SIZE_V8);
> 
> -	if (!IS_MFCV10(dev))
> +	if (!IS_MFCV10_PLUS(dev))
>  		goto done;
> 
>  	/* Initialize registers used in MFC v10 only.
> --
> 2.17.1