linux-kernel - [PATCH v5 0/5] media: venus: Add QCM2290 support with AR50

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Message-Id: <20250626135931.700937-1-jorge.ramirez@oss.qualcomm.com>
Date: Thu, 26 Jun 2025 15:59:26 +0200
From: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
To: jorge.ramirez@....qualcomm.com, krzk+dt@...nel.org,
        bryan.odonoghue@...aro.org, quic_vgarodia@...cinc.com,
        quic_dikshita@...cinc.com, mchehab@...nel.org, robh@...nel.org,
        conor+dt@...nel.org, konradybcio@...nel.org, andersson@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 0/5] media: venus: Add QCM2290 support with AR50_LITE core

Changes since v4:
- patch 1/5:
  - added reviewed by: Krzysztof Kozlowski
  - updated example section
- patch 2/5:
  - added reviewed by: Bryan O'Donoghue
  - Fixed Co-developed-by order
- patch 3/5:
- patch 4/5:
 - removed encode-node (userspace exposure)
 - fixed Co-developed-by order
- patch 5/5:
 - fixed venus register region
 - power-domain-names: one per line
 - clock-names: one per line
 - fixed interconnect tags
 - empty line before subnode
 - enable the venus node

Changes since v3:
- Fixed schema commit subject.

Changes since v2:
- Removed IS_HFI/IS_VPU macros
- checkpatch.pl --strict fixes:
  - convert macro to static inline to avoid argument reuse side effect

Changes since v1:
- Added IS_HFI macro usage
- Moved schema patch to top
- Fixed commit messages

This patch series adds support for the Venus video decoder/encoder block
present on the Qualcomm QCM2290.

Only video decoding is supported in this set - video encoding should
follow up in the coming weeks.

The QCM2290 integrates an AR50_LITE core, a low-power implementation of
Venus supporting H.264, HEVC (H.265), and VP9 decoding.

The series includes:
  - DT binding schema for qcom,qcm2290-venus
  - SoC integration via qcm2290.dtsi
  - Resource table definitions and frequency scaling
  - Platform capability registration for the AR50_LITE core decoding block.

Decoding was verified on the QCOM RB1 platform using GStreamer with V4L2-based
decode plugins. The following pipelines were used for playback 1280x720 and
1920x1080 H.264, HEVC and VP9 videos from https://www.elecard.com/videos.

[H.264]
gst-launch-1.0 filesrc location=videos/xxxxx.mp4 \
  ! qtdemux name=demux demux.video_0 ! queue ! h264parse ! v4l2h264dec \
  ! videoconvert ! autovideosink

[H.265]
gst-launch-1.0 filesrc location=videos/xxxxx.mp4 \
  ! qtdemux name=demux demux.video_0 ! queue ! h265parse ! v4l2h265dec \
  ! videoconvert ! autovideosink

[VP9]
gst-launch-1.0 filesrc location=videos/xxxxx.webm \
  ! matroskademux ! queue ! v4l2vp9dec \
  ! videoconvert ! autovideosink

[Fluster]
The H.264 decoder was also tested using the Fluster test suite
(version: v0.4.0-12-g33566abd0964).
 Target: GStreamer-H.264-V4L2-Gst1.0, Test Suite: JVT-AVC_V1
 Result: 126/135 tests passed
 Failures:
 FM1_BT_B, FM1_FT_E, FM2_SVA_C, BA3_SVA_C, SP1_BT_A,
 SP2_BT_B, MR6_BT_B, MR7_BT_B, MR8_BT_B

---

Jorge Ramirez-Ortiz (5):
  media: dt-bindings: venus: Add qcm2290 dt schema
  media: venus: vdec: AR50_LITE video core support
  media: venus: hfi_plat_v6_lite: Populate decode capabilities
  media: venus: core: Add qcm2290 DT compatible and resource data
  arm64: dts: qcom: qcm2290: Add venus video node

 .../bindings/media/qcom,qcm2290-venus.yaml    | 127 +++++++++++++++
 arch/arm64/boot/dts/qcom/qcm2290.dtsi         |  57 +++++++
 drivers/media/platform/qcom/venus/Makefile    |   2 +-
 drivers/media/platform/qcom/venus/core.c      |  50 +++++-
 drivers/media/platform/qcom/venus/core.h      |  11 +-
 drivers/media/platform/qcom/venus/firmware.c  |   8 +-
 drivers/media/platform/qcom/venus/helpers.c   |  80 ++++++++++
 drivers/media/platform/qcom/venus/helpers.h   |   2 +
 .../media/platform/qcom/venus/hfi_helper.h    |  10 +-
 .../media/platform/qcom/venus/hfi_platform.c  |   2 +
 .../media/platform/qcom/venus/hfi_platform.h  |   1 +
 .../qcom/venus/hfi_platform_v6_lite.c         | 148 ++++++++++++++++++
 drivers/media/platform/qcom/venus/hfi_venus.c |  14 +-
 .../media/platform/qcom/venus/pm_helpers.c    |   1 +
 drivers/media/platform/qcom/venus/vdec.c      |  15 +-
 15 files changed, 503 insertions(+), 25 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
 create mode 100644 drivers/media/platform/qcom/venus/hfi_platform_v6_lite.c

-- 
2.34.1