On 18.01.2017 11:02, Smitha T Murthy wrote: > After MFC v8.0, mfc f/w lets the driver know how much scratch buffer > size is required for decoder. If mfc f/w has the functionality, > E_MIN_SCRATCH_BUFFER_SIZE, driver can know how much scratch buffer size > is required for encoder too. Subject says "Use min scratch buffer size" but it is already used. Maybe it should be changed to sth like: Use min scratch buffer size provided by F/W > > Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx> > --- > drivers/media/platform/s5p-mfc/regs-mfc-v8.h | 2 + > drivers/media/platform/s5p-mfc/s5p_mfc.c | 2 + > drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 1 + > drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 7 ++ > drivers/media/platform/s5p-mfc/s5p_mfc_opr.h | 4 + > drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 68 +++++++++++++++++------ > 6 files changed, 67 insertions(+), 17 deletions(-) > > diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v8.h b/drivers/media/platform/s5p-mfc/regs-mfc-v8.h > index 4d1c375..2cd396b 100644 > --- a/drivers/media/platform/s5p-mfc/regs-mfc-v8.h > +++ b/drivers/media/platform/s5p-mfc/regs-mfc-v8.h > @@ -17,6 +17,7 @@ > > /* Additional registers for v8 */ > #define S5P_FIMV_D_MVC_NUM_VIEWS_V8 0xf104 > +#define S5P_FIMV_D_MIN_SCRATCH_BUFFER_SIZE_V8 0xf108 > #define S5P_FIMV_D_FIRST_PLANE_DPB_SIZE_V8 0xf144 > #define S5P_FIMV_D_SECOND_PLANE_DPB_SIZE_V8 0xf148 > #define S5P_FIMV_D_MV_BUFFER_SIZE_V8 0xf150 > @@ -84,6 +85,7 @@ > > #define S5P_FIMV_E_VBV_BUFFER_SIZE_V8 0xf78c > #define S5P_FIMV_E_VBV_INIT_DELAY_V8 0xf790 > +#define S5P_FIMV_E_MIN_SCRATCH_BUFFER_SIZE_V8 0xf894 > > #define S5P_FIMV_E_ASPECT_RATIO_V8 0xfb4c > #define S5P_FIMV_E_EXTENDED_SAR_V8 0xfb50 > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c > index a043cce..b014038 100644 > --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c > @@ -520,6 +520,8 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx, > dev); > ctx->mv_count = s5p_mfc_hw_call(dev->mfc_ops, get_mv_count, > dev); > + ctx->scratch_buf_size = s5p_mfc_hw_call(dev->mfc_ops, > + get_min_scratch_buf_size, dev); > if (ctx->img_width == 0 || ctx->img_height == 0) > ctx->state = MFCINST_ERROR; > else > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h > index 1941c63..998e24b 100644 > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h > @@ -724,6 +724,7 @@ struct mfc_control { > #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 MFC_V5_BIT BIT(0) > #define MFC_V6_BIT BIT(1) > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c > index 9042378..ef15831 100644 > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c > @@ -818,6 +818,13 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx) > get_enc_dpb_count, dev); > if (ctx->pb_count < enc_pb_count) > ctx->pb_count = enc_pb_count; > + if (FW_HAS_E_MIN_SCRATCH_BUF(dev)) { > + ctx->scratch_buf_size = s5p_mfc_hw_call(dev->mfc_ops, > + get_e_min_scratch_buf_size, dev); > + ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, > + S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); Do we really need to align it here? Does firmware return unaligned value? Even then the alignment (if necessary) should be moved rather to get_e_min_scratch_buf_size. > + ctx->bank1.size += ctx->scratch_buf_size; > + } > ctx->state = MFCINST_HEAD_PRODUCED; > } > > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h > index b6ac417..6478f70 100644 > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h > @@ -169,6 +169,7 @@ struct s5p_mfc_regs { > void __iomem *d_decoded_third_addr;/* only v7 */ > void __iomem *d_used_dpb_flag_upper;/* v7 and v8 */ > void __iomem *d_used_dpb_flag_lower;/* v7 and v8 */ > + void __iomem *d_min_scratch_buffer_size; /* v10 */ > > /* encoder registers */ > void __iomem *e_frame_width; > @@ -268,6 +269,7 @@ struct s5p_mfc_regs { > void __iomem *e_vp8_hierarchical_qp_layer0;/* v7 and v8 */ > void __iomem *e_vp8_hierarchical_qp_layer1;/* v7 and v8 */ > void __iomem *e_vp8_hierarchical_qp_layer2;/* v7 and v8 */ > + void __iomem *e_min_scratch_buffer_size; /* v10 */ > }; > > struct s5p_mfc_hw_ops { > @@ -311,6 +313,8 @@ struct s5p_mfc_hw_ops { > unsigned int (*get_pic_type_bot)(struct s5p_mfc_ctx *ctx); > unsigned int (*get_crop_info_h)(struct s5p_mfc_ctx *ctx); > unsigned int (*get_crop_info_v)(struct s5p_mfc_ctx *ctx); > + int (*get_min_scratch_buf_size)(struct s5p_mfc_dev *dev); > + int (*get_e_min_scratch_buf_size)(struct s5p_mfc_dev *dev); > }; > > void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev); > 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 63dce5a..faceee6 100644 > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c > @@ -110,7 +110,9 @@ 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_MFCV8_PLUS(dev)) > + if (IS_MFCV10(dev)) > + mfc_debug(2, "Use min scratch buffer size\n"); Here and below you are adding empty case for MFCV10, this is wrong, patch subject says "Use min scratch buffer size", but you do nothing here. I see it is added in the next patch, probably it should be merged here, I will comment it more in the next patch. Regards Andrzej > + else if (IS_MFCV8_PLUS(dev)) > ctx->scratch_buf_size = > S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V8( > mb_width, > @@ -127,7 +129,9 @@ 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_MFCV7_PLUS(dev)) { > + if (IS_MFCV10(dev)) > + mfc_debug(2, "Use min scratch buffer size\n"); > + else if (IS_MFCV7_PLUS(dev)) { > ctx->scratch_buf_size = > S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_DEC_V7( > mb_width, > @@ -145,10 +149,14 @@ 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: > - ctx->scratch_buf_size = > - S5P_FIMV_SCRATCH_BUF_SIZE_VC1_DEC_V6( > - mb_width, > - mb_height); > + if (IS_MFCV10(dev)) > + mfc_debug(2, "Use min scratch buffer size\n"); > + else > + ctx->scratch_buf_size = > + S5P_FIMV_SCRATCH_BUF_SIZE_VC1_DEC_V6( > + mb_width, > + mb_height); > + > ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, > S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); > ctx->bank1.size = ctx->scratch_buf_size; > @@ -158,16 +166,21 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) > ctx->bank2.size = 0; > break; > case S5P_MFC_CODEC_H263_DEC: > - ctx->scratch_buf_size = > - S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6( > - mb_width, > - mb_height); > + if (IS_MFCV10(dev)) > + mfc_debug(2, "Use min scratch buffer size\n"); > + else > + ctx->scratch_buf_size = > + S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6( > + mb_width, > + mb_height); > ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, > S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); > ctx->bank1.size = ctx->scratch_buf_size; > break; > case S5P_MFC_CODEC_VP8_DEC: > - if (IS_MFCV8_PLUS(dev)) > + if (IS_MFCV10(dev)) > + mfc_debug(2, "Use min scratch buffer size\n"); > + else if (IS_MFCV8_PLUS(dev)) > ctx->scratch_buf_size = > S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V8( > mb_width, > @@ -182,7 +195,9 @@ 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_H264_ENC: > - if (IS_MFCV8_PLUS(dev)) > + if (IS_MFCV10(dev)) { > + mfc_debug(2, "Use min scratch buffer size\n"); > + } else if (IS_MFCV8_PLUS(dev)) > ctx->scratch_buf_size = > S5P_FIMV_SCRATCH_BUF_SIZE_H264_ENC_V8( > mb_width, > @@ -202,10 +217,13 @@ 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: > - ctx->scratch_buf_size = > - S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_ENC_V6( > - mb_width, > - mb_height); > + if (IS_MFCV10(dev)) { > + mfc_debug(2, "Use min scratch buffer size\n"); > + } else > + ctx->scratch_buf_size = > + S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_ENC_V6( > + mb_width, > + mb_height); > ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, > S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6); > ctx->bank1.size = > @@ -215,7 +233,9 @@ 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_MFCV8_PLUS(dev)) > + if (IS_MFCV10(dev)) { > + mfc_debug(2, "Use min scratch buffer size\n"); > + } else if (IS_MFCV8_PLUS(dev)) > ctx->scratch_buf_size = > S5P_FIMV_SCRATCH_BUF_SIZE_VP8_ENC_V8( > mb_width, > @@ -1911,6 +1931,16 @@ static int s5p_mfc_get_mv_count_v6(struct s5p_mfc_dev *dev) > return readl(dev->mfc_regs->d_min_num_mv); > } > > +static int s5p_mfc_get_min_scratch_buf_size(struct s5p_mfc_dev *dev) > +{ > + return readl(dev->mfc_regs->d_min_scratch_buffer_size); > +} > + > +static int s5p_mfc_get_e_min_scratch_buf_size(struct s5p_mfc_dev *dev) > +{ > + return readl(dev->mfc_regs->e_min_scratch_buffer_size); > +} > + > static int s5p_mfc_get_inst_no_v6(struct s5p_mfc_dev *dev) > { > return readl(dev->mfc_regs->ret_instance_id); > @@ -2169,6 +2199,7 @@ static unsigned int s5p_mfc_get_crop_info_v_v6(struct s5p_mfc_ctx *ctx) > R(d_ret_picture_tag_bot, S5P_FIMV_D_RET_PICTURE_TAG_BOT_V8); > R(d_display_crop_info1, S5P_FIMV_D_DISPLAY_CROP_INFO1_V8); > R(d_display_crop_info2, S5P_FIMV_D_DISPLAY_CROP_INFO2_V8); > + R(d_min_scratch_buffer_size, S5P_FIMV_D_MIN_SCRATCH_BUFFER_SIZE_V8); > > /* encoder registers */ > R(e_padding_ctrl, S5P_FIMV_E_PADDING_CTRL_V8); > @@ -2184,6 +2215,7 @@ static unsigned int s5p_mfc_get_crop_info_v_v6(struct s5p_mfc_ctx *ctx) > R(e_aspect_ratio, S5P_FIMV_E_ASPECT_RATIO_V8); > R(e_extended_sar, S5P_FIMV_E_EXTENDED_SAR_V8); > R(e_h264_options, S5P_FIMV_E_H264_OPTIONS_V8); > + R(e_min_scratch_buffer_size, S5P_FIMV_E_MIN_SCRATCH_BUFFER_SIZE_V8); > > done: > return &mfc_regs; > @@ -2232,6 +2264,8 @@ static unsigned int s5p_mfc_get_crop_info_v_v6(struct s5p_mfc_ctx *ctx) > .get_pic_type_bot = s5p_mfc_get_pic_type_bot_v6, > .get_crop_info_h = s5p_mfc_get_crop_info_h_v6, > .get_crop_info_v = s5p_mfc_get_crop_info_v_v6, > + .get_min_scratch_buf_size = s5p_mfc_get_min_scratch_buf_size, > + .get_e_min_scratch_buf_size = s5p_mfc_get_e_min_scratch_buf_size, > }; > > struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void) -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html