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SubjectRe: [Patch v3 06/11] [media] s5p-mfc: Add support for HEVC decoder
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On Mon, 2017-04-03 at 10:13 +0200, Hans Verkuil wrote:
> On 03/31/2017 11:06 AM, Smitha T Murthy wrote:
> > Add support for codec definition and corresponding buffer
> > requirements for HEVC decoder.
> >
> > Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
> > Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
> > ---
> > drivers/media/platform/s5p-mfc/regs-mfc-v10.h | 1 +
> > drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c | 3 +++
> > drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 1 +
> > drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 8 ++++++++
> > drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 17 +++++++++++++++--
> > drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h | 3 +++
> > 6 files changed, 31 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > index 3f0dab3..953a073 100644
> > --- a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > +++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > @@ -33,6 +33,7 @@
> > #define MFC_NUM_PORTS_V10 1
> >
> > /* MFCv10 codec defines*/
> > +#define S5P_FIMV_CODEC_HEVC_DEC 17
> > #define S5P_FIMV_CODEC_HEVC_ENC 26
> >
> > /* Encoder buffer size for MFC v10.0 */
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
> > index b1b1491..76eca67 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
> > @@ -101,6 +101,9 @@ static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
> > case S5P_MFC_CODEC_VP8_DEC:
> > codec_type = S5P_FIMV_CODEC_VP8_DEC_V6;
> > break;
> > + case S5P_MFC_CODEC_HEVC_DEC:
> > + codec_type = S5P_FIMV_CODEC_HEVC_DEC;
> > + break;
> > case S5P_MFC_CODEC_H264_ENC:
> > codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
> > break;
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > index 8368d5c2..f49fa34 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > @@ -79,6 +79,7 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
> > #define S5P_MFC_CODEC_H263_DEC 5
> > #define S5P_MFC_CODEC_VC1RCV_DEC 6
> > #define S5P_MFC_CODEC_VP8_DEC 7
> > +#define S5P_MFC_CODEC_HEVC_DEC 17
> >
> > #define S5P_MFC_CODEC_H264_ENC 20
> > #define S5P_MFC_CODEC_H264_MVC_ENC 21
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> > index db6d9fa..4fdaec2 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> > @@ -144,6 +144,14 @@ static struct s5p_mfc_fmt formats[] = {
> > .num_planes = 1,
> > .versions = MFC_V6PLUS_BITS,
> > },
> > + {
> > + .name = "HEVC Encoded Stream",
> > + .fourcc = V4L2_PIX_FMT_HEVC,
> > + .codec_mode = S5P_FIMV_CODEC_HEVC_DEC,
> > + .type = MFC_FMT_DEC,
> > + .num_planes = 1,
> > + .versions = MFC_V10_BIT,
> > + },
> > };
>
> The '.name' should probably be removed completely in this driver. The name is now filled
> in by v4l_fill_fmtdesc() in v4l2-ioctl.c, so there is no longer any need to set it in a
> driver.
>
> This can be done in a separate patch before this patch is applied.
>
> Doing this in v4l2-ioctl.c ensures consistent format naming across drivers.
>
> Regards,
>
> Hans
>
>
I will remove the ".name" field in the next patch version. Also I will
create a separate patch for adding it in v4l_fill_fmtdesc().
Thank you for the review.
Regards,
Smitha


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