Re: [PATCH v4 0/3] drm: xlnx: zynqmp: Add DP audio support

[Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>]

Hi,

On 23/10/2024 14:52, Tomi Valkeinen wrote:
> Add DisplayPort audio support for Xilinx ZynqMP platforms.
>
> The current DT is, for some reason, missing the DMA channels for the
> audio. This series adds that to the bindings and the dts file, but to
> support older dtb files without the audio DMA, the driver will not fail
> if the audio DMA is missing, but will just mark the audio support as
> disabled.
>
> To: Lars-Peter Clausen <lars@xxxxxxxxxx>
> To: Jaroslav Kysela <perex@xxxxxxxx>
> To: Takashi Iwai <tiwai@xxxxxxxx>
> To: Liam Girdwood <lgirdwood@xxxxxxxxx>
> To: Mark Brown <broonie@xxxxxxxxxx>
> To: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> To: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> To: Maxime Ripard <mripard@xxxxxxxxxx>
> To: Thomas Zimmermann <tzimmermann@xxxxxxx>
> To: David Airlie <airlied@xxxxxxxxx>
> To: Daniel Vetter <daniel@xxxxxxxx>
> To: Rob Herring <robh+dt@xxxxxxxxxx>
> To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
> To: Conor Dooley <conor+dt@xxxxxxxxxx>
> To: Michal Simek <michal.simek@xxxxxxx>
> To: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
> Cc: linux-sound@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: Vishal Sagar <vishal.sagar@xxxxxxx>
> Cc: Anatoliy Klymenko <anatoliy.klymenko@xxxxxxx>
> Cc: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
> Cc: Markus Elfring <Markus.Elfring@xxxxxx>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
>
> Changes in v4:
> - Update copyright year
> - Use guard(mutex) in the zynqmp_dp_audio.c
> - Add Rb and Ab tags
> - Link to v3: https://lore.kernel.org/r/20240910-xilinx-dp-audio-v3-0-75560793f4d0@xxxxxxxxxxxxxxxx
>
> Changes in v3:
> - Expand the description in "dt-bindings: display/xlnx/zynqmp-dpsub: Add
>    audio DMAs" to be more clear about the DT binding change.
> - Rebased on top of current upstream
> - Link to v2: https://lore.kernel.org/r/20240319-xilinx-dp-audio-v2-0-92d6d3a7ca7e@xxxxxxxxxxxxxxxx
>
> Changes in v2:
> - Fix a missing double-quote in the DT binding
> - Link to v1: https://lore.kernel.org/r/20240312-xilinx-dp-audio-v1-0-696c79facbb9@xxxxxxxxxxxxxxxx
>
> ---
> Tomi Valkeinen (3):
>        dt-bindings: display/xlnx/zynqmp-dpsub: Add audio DMAs
>        arm64: dts: zynqmp: Add DMA for DP audio
>        drm: xlnx: zynqmp_dpsub: Add DP audio support
>
>   .../bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml   |  10 +-
>   arch/arm64/boot/dts/xilinx/zynqmp.dtsi             |   7 +-
>   drivers/gpu/drm/xlnx/Kconfig                       |   9 +
>   drivers/gpu/drm/xlnx/Makefile                      |   1 +
>   drivers/gpu/drm/xlnx/zynqmp_disp.c                 |  48 ---
>   drivers/gpu/drm/xlnx/zynqmp_disp_regs.h            |   7 +-
>   drivers/gpu/drm/xlnx/zynqmp_dp.c                   |  54 ++-
>   drivers/gpu/drm/xlnx/zynqmp_dp.h                   |   7 +
>   drivers/gpu/drm/xlnx/zynqmp_dp_audio.c             | 447 +++++++++++++++++++++
>   drivers/gpu/drm/xlnx/zynqmp_dpsub.c                |  39 +-
>   drivers/gpu/drm/xlnx/zynqmp_dpsub.h                |  15 +-
>   11 files changed, 539 insertions(+), 105 deletions(-)
> ---
> base-commit: 42f7652d3eb527d03665b09edac47f85fb600924
> change-id: 20240312-xilinx-dp-audio-468ad12f9f64
>
> Best regards,

Pushed to drm-misc-next.

 Tomi