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Date: Tue, 2 May 2023 15:21:43 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Dikshita Agarwal <quic_dikshita@...cinc.com>,
linux-media@...r.kernel.org, stanimir.k.varbanov@...il.com,
quic_vgarodia@...cinc.com, agross@...nel.org, andersson@...nel.org,
mchehab@...nel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] venus: add support for 10 bit decoding.
On Tue, 2 May 2023 at 14:53, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
>
>
> On 26.04.2023 09:00, Dikshita Agarwal wrote:
> > - Add support for V4L2_PIX_FMT_P010 color format.
> > - Add handling of bit depth change from firmware.
> > - Return P010 as preferred format for 10 bit decode.
> Sounds like this should be 3 separate patches, preferably with
> some insight in each commit message.
Absolutely. I think there were several 'split one patch per feature'
feedbacks for the previous series.
>
> Konrad
> >
> > Signed-off-by: Vikash Garodia <quic_vgarodia@...cinc.com>
> > Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
> > ---
> > drivers/media/platform/qcom/venus/helpers.c | 25 ++++++++++++++++++++++
> > drivers/media/platform/qcom/venus/hfi_plat_bufs.h | 3 +++
> > .../media/platform/qcom/venus/hfi_plat_bufs_v6.c | 9 +++++++-
> > drivers/media/platform/qcom/venus/vdec.c | 18 +++++++++++++---
> > 4 files changed, 51 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> > index ab6a29f..193215c 100644
> > --- a/drivers/media/platform/qcom/venus/helpers.c
> > +++ b/drivers/media/platform/qcom/venus/helpers.c
> > @@ -612,6 +612,8 @@ static u32 to_hfi_raw_fmt(u32 v4l2_fmt)
> > return HFI_COLOR_FORMAT_NV12_UBWC;
> > case V4L2_PIX_FMT_QC10C:
> > return HFI_COLOR_FORMAT_YUV420_TP10_UBWC;
> > + case V4L2_PIX_FMT_P010:
> > + return HFI_COLOR_FORMAT_P010;
> > default:
> > break;
> > }
> > @@ -639,12 +641,16 @@ static int platform_get_bufreq(struct venus_inst *inst, u32 buftype,
> > if (is_dec) {
> > params.width = inst->width;
> > params.height = inst->height;
> > + params.out_width = inst->out_width;
> > + params.out_height = inst->out_height;
> > params.codec = inst->fmt_out->pixfmt;
> > params.hfi_color_fmt = to_hfi_raw_fmt(inst->fmt_cap->pixfmt);
> > params.dec.max_mbs_per_frame = mbs_per_frame_max(inst);
> > params.dec.buffer_size_limit = 0;
> > params.dec.is_secondary_output =
> > inst->opb_buftype == HFI_BUFFER_OUTPUT2;
> > + if (params.dec.is_secondary_output)
> > + params.hfi_dpb_color_fmt = inst->dpb_fmt;
> > params.dec.is_interlaced =
> > inst->pic_struct != HFI_INTERLACE_FRAME_PROGRESSIVE;
> > } else {
> > @@ -1764,6 +1770,25 @@ int venus_helper_get_out_fmts(struct venus_inst *inst, u32 v4l2_fmt,
> > if (!caps)
> > return -EINVAL;
> >
> > + if (inst->bit_depth == VIDC_BITDEPTH_10 &&
> > + inst->session_type == VIDC_SESSION_TYPE_DEC) {
> > + found_ubwc =
> > + find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT,
> > + HFI_COLOR_FORMAT_YUV420_TP10_UBWC);
> > + found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2,
> > + fmt);
> > + if (found_ubwc && found) {
> > + /*
> > + * Hard-code DPB buffers to be 10bit UBWC
> > + * until V4L2 is able to expose compressed/tiled
> > + * formats to applications.
> > + */
> > + *out_fmt = HFI_COLOR_FORMAT_YUV420_TP10_UBWC;
> > + *out2_fmt = fmt;
> > + return 0;
> > + }
> > + }
> > +
> > if (ubwc) {
> > ubwc_fmt = fmt | HFI_COLOR_FORMAT_UBWC_BASE;
> > found_ubwc = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT,
> > diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs.h b/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
> > index 52a51a3..25e6074 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
> > +++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
> > @@ -12,8 +12,11 @@
> > struct hfi_plat_buffers_params {
> > u32 width;
> > u32 height;
> > + u32 out_width;
> > + u32 out_height;
> > u32 codec;
> > u32 hfi_color_fmt;
> > + u32 hfi_dpb_color_fmt;
> > enum hfi_version version;
> > u32 num_vpp_pipes;
> > union {
> > diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
> > index ea25c45..08caab1 100644
> > --- a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
> > +++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
> > @@ -1185,6 +1185,7 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
> > enum hfi_version version = params->version;
> > u32 codec = params->codec;
> > u32 width = params->width, height = params->height, out_min_count;
> > + u32 out_width = params->out_width, out_height = params->out_height;
> > struct dec_bufsize_ops *dec_ops;
> > bool is_secondary_output = params->dec.is_secondary_output;
> > bool is_interlaced = params->dec.is_interlaced;
> > @@ -1235,7 +1236,13 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
> > bufreq->count_min = out_min_count;
> > bufreq->size =
> > venus_helper_get_framesz_raw(params->hfi_color_fmt,
> > - width, height);
> > + out_width, out_height);
> > +
> > + if (buftype == HFI_BUFFER_OUTPUT &&
> > + params->dec.is_secondary_output)
> > + bufreq->size =
> > + venus_helper_get_framesz_raw(params->hfi_dpb_color_fmt,
> > + out_width, out_height);
> > } else if (buftype == HFI_BUFFER_INTERNAL_SCRATCH(version)) {
> > bufreq->size = dec_ops->scratch(width, height, is_interlaced);
> > } else if (buftype == HFI_BUFFER_INTERNAL_SCRATCH_1(version)) {
> > diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
> > index 4ceaba3..99d0e96 100644
> > --- a/drivers/media/platform/qcom/venus/vdec.c
> > +++ b/drivers/media/platform/qcom/venus/vdec.c
> > @@ -43,6 +43,10 @@ static const struct venus_format vdec_formats[] = {
> > .num_planes = 1,
> > .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
> > }, {
> > + .pixfmt = V4L2_PIX_FMT_P010,
> > + .num_planes = 1,
> > + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
> > + }, {
> > .pixfmt = V4L2_PIX_FMT_MPEG4,
> > .num_planes = 1,
> > .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
> > @@ -697,6 +701,9 @@ static int vdec_set_work_route(struct venus_inst *inst)
> > }
> >
> > #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))
> > +#define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \
> > + HFI_COLOR_FORMAT_UBWC_BASE))
> > +
> >
> > static int vdec_output_conf(struct venus_inst *inst)
> > {
> > @@ -744,7 +751,7 @@ static int vdec_output_conf(struct venus_inst *inst)
> > inst->opb_fmt = out2_fmt;
> > inst->dpb_buftype = HFI_BUFFER_OUTPUT;
> > inst->dpb_fmt = out_fmt;
> > - } else if (is_ubwc_fmt(out2_fmt)) {
> > + } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) {
> > inst->opb_buftype = HFI_BUFFER_OUTPUT;
> > inst->opb_fmt = out_fmt;
> > inst->dpb_buftype = HFI_BUFFER_OUTPUT2;
> > @@ -1420,7 +1427,7 @@ static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
> > static void vdec_event_change(struct venus_inst *inst,
> > struct hfi_event_data *ev_data, bool sufficient)
> > {
> > - static const struct v4l2_event ev = {
> > + struct v4l2_event ev = {
> > .type = V4L2_EVENT_SOURCE_CHANGE,
> > .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
> > struct device *dev = inst->core->dev_dec;
> > @@ -1461,8 +1468,13 @@ static void vdec_event_change(struct venus_inst *inst,
> > inst->out_width = ev_data->width;
> > inst->out_height = ev_data->height;
> >
> > - if (inst->bit_depth != ev_data->bit_depth)
> > + if (inst->bit_depth != ev_data->bit_depth) {
> > inst->bit_depth = ev_data->bit_depth;
> > + if (inst->bit_depth == VIDC_BITDEPTH_10)
> > + inst->fmt_cap = &vdec_formats[3];
> > + else
> > + inst->fmt_cap = &vdec_formats[0];
> > + }
> >
> > if (inst->pic_struct != ev_data->pic_struct)
> > inst->pic_struct = ev_data->pic_struct;
--
With best wishes
Dmitry
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