Re: [PATCH v5 3/5] media: venus: hfi_plat_v6_lite: Populate decode capabilities

Jorge Ramirez
2025-07-07T09:56:59Z

On 07/07/25 14:59:05, Dikshita Agarwal wrote:
>
>
> On 7/7/2025 2:43 PM, Jorge Ramirez wrote:
> > On 27/06/25 19:02:13, Dikshita Agarwal wrote:
> >>
> >>
> >> On 6/26/2025 7:29 PM, Jorge Ramirez-Ortiz wrote:
> >>> Add hfi platform file with decoding capabilities for hfi v6_lite.
> >>>
> >>> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@oss.qualcomm.com>
> >>> ---
> >>> drivers/media/platform/qcom/venus/Makefile | 2 +-
> >>> .../media/platform/qcom/venus/hfi_platform.c | 2 +
> >>> .../media/platform/qcom/venus/hfi_platform.h | 1 +
> >>> .../qcom/venus/hfi_platform_v6_lite.c | 148 ++++++++++++++++++
> >>> 4 files changed, 152 insertions(+), 1 deletion(-)
> >>> create mode 100644 drivers/media/platform/qcom/venus/hfi_platform_v6_lite.c
> >>>
> >>> diff --git a/drivers/media/platform/qcom/venus/Makefile b/drivers/media/platform/qcom/venus/Makefile
> >>> index 91ee6be10292..4a6a942db58b 100644
> >>> --- a/drivers/media/platform/qcom/venus/Makefile
> >>> +++ b/drivers/media/platform/qcom/venus/Makefile
> >>> @@ -5,7 +5,7 @@ venus-core-objs += core.o helpers.o firmware.o \
> >>> hfi_venus.o hfi_msgs.o hfi_cmds.o hfi.o \
> >>> hfi_parser.o pm_helpers.o dbgfs.o \
> >>> hfi_platform.o hfi_platform_v4.o \
> >>> - hfi_platform_v6.o hfi_plat_bufs_v6.o \
> >>> + hfi_platform_v6.o hfi_plat_bufs_v6.o hfi_platform_v6_lite.o \
> >> s/hfi_platform_v6_lite/hfi_platform_v4_lite
> >
> > will remove, will use platform_v4 instead
> >
> >>>
> >>> venus-dec-objs += vdec.o vdec_ctrls.o
> >>> venus-enc-objs += venc.o venc_ctrls.o
> >>> diff --git a/drivers/media/platform/qcom/venus/hfi_platform.c b/drivers/media/platform/qcom/venus/hfi_platform.c
> >>> index 643e5aa138f5..f56b8f9946d7 100644
> >>> --- a/drivers/media/platform/qcom/venus/hfi_platform.c
> >>> +++ b/drivers/media/platform/qcom/venus/hfi_platform.c
> >>> @@ -13,6 +13,8 @@ const struct hfi_platform *hfi_platform_get(enum hfi_version version)
> >>> return &hfi_plat_v4;
> >>> case HFI_VERSION_6XX:
> >>> return &hfi_plat_v6;
> >>> + case HFI_VERSION_6XX_LITE:
> >>> + return &hfi_plat_v6_lite;
> >> update here as well.
> >
> > yes, this function wont get changed
> >
> >>> default:
> >>> break;
> >>> }
> >>> diff --git a/drivers/media/platform/qcom/venus/hfi_platform.h b/drivers/media/platform/qcom/venus/hfi_platform.h
> >>> index ec89a90a8129..6356e4bd0de2 100644
> >>> --- a/drivers/media/platform/qcom/venus/hfi_platform.h
> >>> +++ b/drivers/media/platform/qcom/venus/hfi_platform.h
> >>> @@ -58,6 +58,7 @@ struct hfi_platform {
> >>>
> >>> extern const struct hfi_platform hfi_plat_v4;
> >>> extern const struct hfi_platform hfi_plat_v6;
> >>> +extern const struct hfi_platform hfi_plat_v6_lite;
> >> ditto
> >
> > neither this one
> >
> >>>
> >>> const struct hfi_platform *hfi_platform_get(enum hfi_version version);
> >>> unsigned long hfi_platform_get_codec_vpp_freq(enum hfi_version version, u32 codec,
> >>> diff --git a/drivers/media/platform/qcom/venus/hfi_platform_v6_lite.c b/drivers/media/platform/qcom/venus/hfi_platform_v6_lite.c
> >>> new file mode 100644
> >>> index 000000000000..41958a3e353b
> >>> --- /dev/null
> >>> +++ b/drivers/media/platform/qcom/venus/hfi_platform_v6_lite.c
> >>> @@ -0,0 +1,148 @@
> >>> +// SPDX-License-Identifier: GPL-2.0-only
> >>> +/*
> >>> + * Copyright (c) 2025, The Linux Foundation. All rights reserved.
> >>> + */
> >>> +#include "hfi_platform.h"
> >>> +
> >>> +static const struct hfi_plat_caps caps[] = {
> >>> +{
> >>> + .codec = HFI_VIDEO_CODEC_H264,
> >>> + .domain = VIDC_SESSION_TYPE_DEC,
> >>> + .caps[0] = {HFI_CAPABILITY_FRAME_WIDTH, 128, 1920, 1},
> >>> + .caps[1] = {HFI_CAPABILITY_FRAME_HEIGHT, 128, 1080, 1},
> >>> + .caps[2] = {HFI_CAPABILITY_MBS_PER_FRAME, 64, 8160, 1},
> >>> + .caps[3] = {HFI_CAPABILITY_BITRATE, 1, 60000000, 1 },
> >>> + .caps[4] = {HFI_CAPABILITY_MBS_PER_SECOND, 64, 244800, 1},
> >>> + .caps[5] = {HFI_CAPABILITY_FRAMERATE, 1, 120, 1},
> >>> + .caps[6] = {HFI_CAPABILITY_MAX_VIDEOCORES, 0, 1, 1},
> >>> + .num_caps = 7,
> >>> + .pl[0] = {HFI_H264_PROFILE_BASELINE, HFI_H264_LEVEL_1},
> >>> + .pl[1] = {HFI_H264_PROFILE_MAIN, HFI_H264_LEVEL_41},
> >>> + .pl[2] = {HFI_H264_PROFILE_HIGH, HFI_H264_LEVEL_5},
> >>> + .pl[3] = {HFI_H264_PROFILE_CONSTRAINED_BASE, HFI_H264_LEVEL_41},
> >>> + .pl[4] = {HFI_H264_PROFILE_CONSTRAINED_HIGH, HFI_H264_LEVEL_41},
> >> what is the reference for these values?
> >
> > what do you mean? what should be the reference? I didnt see a downstream
> > equivalente to base on so based on the 4XX settings these seem
> > consistent.
> >
> My question was regarding the profile and level mapping.
> The profiles added are consistent with 4xx, I agree. But the value of
> levels mapped with each profile is not matching with [1], hence the
> question about the reference used for this mapping.
>
> [1]
> https://elixir.bootlin.com/linux/v6.16-rc4/source/drivers/media/platform/qcom/venus/hfi_platform_v4.c#L23

ah right, AR50_LITE does not support 52 (the highest is 5).
I see your point - you are right of course.
I was doing a quite a bit of testing with fluster and I left the wrong values. My fault.
will fix.

thanks!