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Message-ID: <fea7e8a9-385a-4a51-8f66-4e92e14684ea@ideasonboard.com>
Date:   Mon, 27 Nov 2023 11:32:19 +0200
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Subject: Re: [PATCH v3 0/2] Add DSS support for TI AM62A7 SoC
To:     Aradhya Bhatia <a-bhatia1@ti.com>, Jyri Sarha <jyri.sarha@iki.fi>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     DRI Development List <dri-devel@lists.freedesktop.org>,
        Devicetree List <devicetree@vger.kernel.org>,
        Linux Kernel List <linux-kernel@vger.kernel.org>,
        Nishanth Menon <nm@ti.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Devarsh Thakkar <devarsht@ti.com>,
        Jayesh Choudhary <j-choudhary@ti.com>,
        Jai Luthra <j-luthra@ti.com>
References: <20231108171619.978438-1-a-bhatia1@ti.com>
Content-Language: en-US
From:   Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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In-Reply-To: <20231108171619.978438-1-a-bhatia1@ti.com>
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Precedence: bulk

Hi,

On 08/11/2023 19:16, Aradhya Bhatia wrote:
> This patch series adds a new compatible for the Display SubSystem (DSS)
> controller on TI's AM62A7 SoC. It further adds the required support, for
> the same, in the tidss driver.
> 
> The DSS controller is similar to the recently added AM625 DSS, with the
> key difference being the absence of VP1 output on the SoC. The VP1 in
> AM62A7 DSS is tied off and cannot be used, unlike in AM625, where the
> VP1 was connected to 2 OLDI TXes. The video pipeline that corresponds to
> VP1 still exists and can be used to overlay planes on the VP2's primary
> plane. This can be done using the overlay managers inside the SoC.
> Moreover, DSS VP2 can output Full-HD RGB888 DPI video signals.
> 
> I have tested these patches on AM62A7 SK-EVM, which converts DPI signals
> to HDMI on the platform using the Sil9022A HDMI transmitter. All the
> patches, required to enable display on AM62A7-SK, can be found on my
> github fork[0] in the branch "next_am62a-v3".
> 
> Regards
> Aradhya
> 
> [0]: https://github.com/aradhya07/linux-ab/tree/next_am62a-v3
> 
> Change Log:
> V2 -> V3:
>    - Add Krzysztof Kozlowski's R-b in patch 1/2.
>    - Add new DISPC_VP_TIED_OFF for tied-off video-ports in patch 2/2.
> 
> V1 -> V2:
>    - Correctly sort DISPC_AM62A7 macro after DISPC_AM625 in patch 2/2.
> 
> Previous Versions:
> V1: https://lore.kernel.org/all/20230818131750.4779-1-a-bhatia1@ti.com/
> V2: https://lore.kernel.org/all/20230818142124.8561-1-a-bhatia1@ti.com/
> 
> Aradhya Bhatia (2):
>    dt-bindings: display: ti: Add support for am62a7 dss
>    drivers/tidss: Add support for AM62A7 DSS
> 
>   .../bindings/display/ti/ti,am65x-dss.yaml     | 14 +++++
>   drivers/gpu/drm/tidss/tidss_dispc.c           | 59 +++++++++++++++++++
>   drivers/gpu/drm/tidss/tidss_dispc.h           |  3 +
>   drivers/gpu/drm/tidss/tidss_drv.c             |  1 +
>   4 files changed, 77 insertions(+)
> 
> 
> base-commit: 2220f68f4504aa1ccce0fac721ccdb301e9da32f

For the series:

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

  Tomi