Re: [Patch v2 02/11] s5p-mfc: Adding initial support for MFC v10.10

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On Mon, 2017-03-06 at 14:58 +0100, Andrzej Hajda wrote: 
> On 03.03.2017 10:07, Smitha T Murthy wrote:
> > Adding the support for MFC v10.10, with new register file and
> > necessary hw control, decoder, encoder and structural changes.
> >
> > Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
> Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> 
> Few nitpicks below.
> 
Thank you for the review. I will take care of these in the next version.

> > CC: Rob Herring <robh+dt@xxxxxxxxxx>
> > CC: devicetree@xxxxxxxxxxxxxxx
> > ---
> >  .../devicetree/bindings/media/s5p-mfc.txt          |    1 +
> >  drivers/media/platform/s5p-mfc/regs-mfc-v10.h      |   36 ++++++++++++++++
> >  drivers/media/platform/s5p-mfc/s5p_mfc.c           |   30 +++++++++++++
> >  drivers/media/platform/s5p-mfc/s5p_mfc_common.h    |    4 +-
> >  drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c      |    4 ++
> >  drivers/media/platform/s5p-mfc/s5p_mfc_dec.c       |   44 +++++++++++---------
> >  drivers/media/platform/s5p-mfc/s5p_mfc_enc.c       |   21 +++++----
> >  drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c    |    9 +++-
> >  drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h    |    2 +
> >  9 files changed, 118 insertions(+), 33 deletions(-)
> >  create mode 100644 drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> >
> > diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt
> > index 2c90128..b83727b 100644
> > --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt
> > +++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt
> > @@ -13,6 +13,7 @@ Required properties:
> >  	(c) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC
> >  	(d) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC
> >  	(e) "samsung,exynos5433-mfc" for MFC v8 present in Exynos5433 SoC
> > +	(f) "samsung,mfc-v10" for MFC v10 present in Exynos7880 SoC
> >  
> >    - reg : Physical base address of the IP registers and length of memory
> >  	  mapped region.
> > diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > new file mode 100644
> > index 0000000..bd671a5
> > --- /dev/null
> > +++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > @@ -0,0 +1,36 @@
> > +/*
> > + * Register definition file for Samsung MFC V10.x Interface (FIMV) driver
> > + *
> > + * Copyright (c) 2017 Samsung Electronics Co., Ltd.
> > + *     http://www.samsung.com/
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License version 2 as
> > + * published by the Free Software Foundation.
> > + */
> > +
> > +#ifndef _REGS_MFC_V10_H
> > +#define _REGS_MFC_V10_H
> > +
> > +#include <linux/sizes.h>
> > +#include "regs-mfc-v8.h"
> > +
> > +/* MFCv10 register definitions*/
> > +#define S5P_FIMV_MFC_CLOCK_OFF_V10			0x7120
> > +#define S5P_FIMV_MFC_STATE_V10				0x7124
> > +
> > +/* MFCv10 Context buffer sizes */
> > +#define MFC_CTX_BUF_SIZE_V10		(30 * SZ_1K)	/* 30KB */
> > +#define MFC_H264_DEC_CTX_BUF_SIZE_V10	(2 * SZ_1M)	/* 2MB */
> > +#define MFC_OTHER_DEC_CTX_BUF_SIZE_V10	(20 * SZ_1K)	/* 20KB */
> > +#define MFC_H264_ENC_CTX_BUF_SIZE_V10	(100 * SZ_1K)	/* 100KB */
> > +#define MFC_OTHER_ENC_CTX_BUF_SIZE_V10	(15 * SZ_1K)	/* 15KB */
> > +
> > +/* MFCv10 variant defines */
> > +#define MAX_FW_SIZE_V10		(SZ_1M)		/* 1MB */
> > +#define MAX_CPB_SIZE_V10	(3 * SZ_1M)	/* 3MB */
> 
> These comments seems redundant, definition is clear enough, you could
> remove them if there will be next iteration.
> 
Yes true, I will remove them in the next version.

> > +#define MFC_VERSION_V10		0xA0
> > +#define MFC_NUM_PORTS_V10	1
> > +
> > +#endif /*_REGS_MFC_V10_H*/
> > +
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > index bb0a588..a043cce 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > @@ -1542,6 +1542,33 @@ static int s5p_mfc_resume(struct device *dev)
> >  	.num_clocks	= 3,
> >  };
> >  
> > +static struct s5p_mfc_buf_size_v6 mfc_buf_size_v10 = {
> > +	.dev_ctx        = MFC_CTX_BUF_SIZE_V10,
> > +	.h264_dec_ctx   = MFC_H264_DEC_CTX_BUF_SIZE_V10,
> > +	.other_dec_ctx  = MFC_OTHER_DEC_CTX_BUF_SIZE_V10,
> > +	.h264_enc_ctx   = MFC_H264_ENC_CTX_BUF_SIZE_V10,
> > +	.other_enc_ctx  = MFC_OTHER_ENC_CTX_BUF_SIZE_V10,
> > +};
> > +
> > +static struct s5p_mfc_buf_size buf_size_v10 = {
> > +	.fw     = MAX_FW_SIZE_V10,
> > +	.cpb    = MAX_CPB_SIZE_V10,
> > +	.priv   = &mfc_buf_size_v10,
> > +};
> > +
> > +static struct s5p_mfc_buf_align mfc_buf_align_v10 = {
> > +	.base = 0,
> > +};
> > +
> > +static struct s5p_mfc_variant mfc_drvdata_v10 = {
> > +	.version        = MFC_VERSION_V10,
> > +	.version_bit    = MFC_V10_BIT,
> > +	.port_num       = MFC_NUM_PORTS_V10,
> > +	.buf_size       = &buf_size_v10,
> > +	.buf_align      = &mfc_buf_align_v10,
> > +	.fw_name[0]     = "s5p-mfc-v10.fw",
> > +};
> > +
> >  static const struct of_device_id exynos_mfc_match[] = {
> >  	{
> >  		.compatible = "samsung,mfc-v5",
> > @@ -1558,6 +1585,9 @@ static int s5p_mfc_resume(struct device *dev)
> >  	}, {
> >  		.compatible = "samsung,exynos5433-mfc",
> >  		.data = &mfc_drvdata_v8_5433,
> > +	}, {
> > +		.compatible = "samsung,mfc-v10",
> > +		.data = &mfc_drvdata_v10,
> >  	},
> >  	{},
> >  };
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > index b45d18c..1941c63 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > @@ -23,7 +23,7 @@
> >  #include <media/v4l2-ioctl.h>
> >  #include <media/videobuf2-v4l2.h>
> >  #include "regs-mfc.h"
> > -#include "regs-mfc-v8.h"
> > +#include "regs-mfc-v10.h"
> >  
> >  #define S5P_MFC_NAME		"s5p-mfc"
> >  
> > @@ -723,11 +723,13 @@ struct mfc_control {
> >  #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 MFC_V5_BIT	BIT(0)
> >  #define MFC_V6_BIT	BIT(1)
> >  #define MFC_V7_BIT	BIT(2)
> >  #define MFC_V8_BIT	BIT(3)
> > +#define MFC_V10_BIT	BIT(5)
> >  
> >  
> >  #endif /* S5P_MFC_COMMON_H_ */
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
> > index 484af6b..0ded23c 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
> > @@ -267,6 +267,10 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
> >  	}
> >  	else
> >  		mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
> > +
> > +	if (IS_MFCV10(dev))
> > +		mfc_write(dev, 0x0, S5P_FIMV_MFC_CLOCK_OFF_V10);
> > +
> >  	mfc_debug(2, "Will now wait for completion of firmware transfer\n");
> >  	if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_FW_STATUS_RET)) {
> >  		mfc_err("Failed to load firmware\n");
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> > index 0ec2928..784b28e 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> > @@ -54,7 +54,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_NONE,
> >  		.type		= MFC_FMT_RAW,
> >  		.num_planes	= 2,
> > -		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
> > +		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT |
> > +								MFC_V10_BIT,
> 
> I think these lengthy alternatives could be replaced by alias
> MFC_V6PLUS_BITS or MFC_V5PLUS_BITS.
> 
I will replace these by aliases in the next version.

Regards,
Smitha T Murthy 
> >  	},
> >  	{
> >  		.name		= "4:2:0 2 Planes Y/CrCb",
> > @@ -62,7 +63,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_NONE,
> >  		.type		= MFC_FMT_RAW,
> >  		.num_planes	= 2,
> > -		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
> > +		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT |
> > +								MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "H264 Encoded Stream",
> > @@ -70,8 +72,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_H264_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "H264/MVC Encoded Stream",
> > @@ -79,7 +81,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_H264_MVC_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
> > +		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT |
> > +								MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "H263 Encoded Stream",
> > @@ -87,8 +90,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_H263_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "MPEG1 Encoded Stream",
> > @@ -96,8 +99,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_MPEG2_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "MPEG2 Encoded Stream",
> > @@ -105,8 +108,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_MPEG2_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "MPEG4 Encoded Stream",
> > @@ -114,8 +117,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_MPEG4_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "XviD Encoded Stream",
> > @@ -123,8 +126,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_MPEG4_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "VC1 Encoded Stream",
> > @@ -132,8 +135,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_VC1_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "VC1 RCV Encoded Stream",
> > @@ -141,8 +144,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_VC1RCV_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "VP8 Encoded Stream",
> > @@ -150,7 +153,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_VP8_DEC,
> >  		.type		= MFC_FMT_DEC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
> > +		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT |
> > +								MFC_V10_BIT,
> >  	},
> >  };
> >  
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > index e39d9e0..9042378 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > @@ -57,8 +57,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_NONE,
> >  		.type		= MFC_FMT_RAW,
> >  		.num_planes	= 2,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "4:2:0 2 Planes Y/CrCb",
> > @@ -66,7 +66,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_NONE,
> >  		.type		= MFC_FMT_RAW,
> >  		.num_planes	= 2,
> > -		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
> > +		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT |
> > +								MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "H264 Encoded Stream",
> > @@ -74,8 +75,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_H264_ENC,
> >  		.type		= MFC_FMT_ENC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "MPEG4 Encoded Stream",
> > @@ -83,8 +84,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_MPEG4_ENC,
> >  		.type		= MFC_FMT_ENC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "H263 Encoded Stream",
> > @@ -92,8 +93,8 @@
> >  		.codec_mode	= S5P_MFC_CODEC_H263_ENC,
> >  		.type		= MFC_FMT_ENC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
> > -								MFC_V8_BIT,
> > +		.versions	= MFC_V5_BIT | MFC_V6_BIT |
> > +					MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  	{
> >  		.name		= "VP8 Encoded Stream",
> > @@ -101,7 +102,7 @@
> >  		.codec_mode	= S5P_MFC_CODEC_VP8_ENC,
> >  		.type		= MFC_FMT_ENC,
> >  		.num_planes	= 1,
> > -		.versions	= MFC_V7_BIT | MFC_V8_BIT,
> > +		.versions	= MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> >  	},
> >  };
> >  
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > index 7682b0e..9dc106e 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > @@ -358,6 +358,7 @@ static int calc_plane(int width, int height)
> >  
> >  static void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
> >  {
> > +	struct s5p_mfc_dev *dev = ctx->dev;
> >  	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN_V6);
> >  	ctx->buf_height = ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN_V6);
> >  	mfc_debug(2, "SEQ Done: Movie dimensions %dx%d,\n"
> > @@ -374,8 +375,12 @@ 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) {
> > -		ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
> > -				ctx->img_height);
> > +		if (IS_MFCV10(dev))
> > +			ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V10(ctx->img_width,
> > +					ctx->img_height);
> > +		else
> > +			ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
> > +					ctx->img_height);
> >  		ctx->mv_size = ALIGN(ctx->mv_size, 16);
> >  	} else {
> >  		ctx->mv_size = 0;
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
> > index 8055848..021b8db 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
> > @@ -24,6 +24,8 @@
> >  #define MB_HEIGHT(y_size)		DIV_ROUND_UP(y_size, 16)
> >  #define S5P_MFC_DEC_MV_SIZE_V6(x, y)	(MB_WIDTH(x) * \
> >  					(((MB_HEIGHT(y)+1)/2)*2) * 64 + 128)
> > +#define S5P_MFC_DEC_MV_SIZE_V10(x, y)	(MB_WIDTH(x) * \
> > +					(((MB_HEIGHT(y)+1)/2)*2) * 64 + 512)
> >  
> >  /* Definition */
> >  #define ENC_MULTI_SLICE_MB_MAX		((1 << 30) - 1)
> 
> 
> 



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