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From: Chen-Yu Tsai <wenst@chromium.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Guillaume Ranquet <granquet@baylibre.com>,
	Vinod Koul <vkoul@kernel.org>,  Stephen Boyd <sboyd@kernel.org>,
	David Airlie <airlied@linux.ie>, Rob Herring <robh+dt@kernel.org>,
	 Philipp Zabel <p.zabel@pengutronix.de>,
	 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Daniel Vetter <daniel@ffwll.ch>,
	 Chunfeng Yun <chunfeng.yun@mediatek.com>,
	CK Hu <ck.hu@mediatek.com>,  Jitao shi <jitao.shi@mediatek.com>,
	Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	 Michael Turquette <mturquette@baylibre.com>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	 Matthias Brugger <matthias.bgg@gmail.com>,
	devicetree@vger.kernel.org,
	 Mattijs Korpershoek <mkorpershoek@baylibre.com>,
	linux-kernel@vger.kernel.org,  dri-devel@lists.freedesktop.org,
	linux-clk@vger.kernel.org,  linux-mediatek@lists.infradead.org,
	linux-phy@lists.infradead.org,
	 Pablo Sun <pablo.sun@mediatek.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v1 15/17] dt-bindings: display: mediatek: dpi: Add compatible for MediaTek MT8195
Date: Mon, 26 Sep 2022 13:24:20 +0800	[thread overview]
Message-ID: <CAGXv+5FYjj6=WHWBvNRDmpw2Ux8RJ4a2fT1gXk3+eXSqt9poeQ@mail.gmail.com> (raw)
In-Reply-To: <e993c25e-f334-e1ca-73f8-58cf141c521e@linaro.org>

On Thu, Sep 22, 2022 at 3:20 PM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 19/09/2022 18:56, Guillaume Ranquet wrote:
> > Add dt-binding documentation of dpi for MediaTek MT8195 SoC.
> >
> > Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
> >
> > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> > index 5bb23e97cf33..2c7ecef54986 100644
> > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> > @@ -24,6 +24,7 @@ properties:
> >        - mediatek,mt8183-dpi
> >        - mediatek,mt8186-dpi
> >        - mediatek,mt8192-dpi
> > +      - mediatek,mt8195-dpi
> >        - mediatek,mt8195-dp-intf
>
> Aren't these the same?

*-dpi are MIPI DPI (as in parallel data with DDR modes) encoders.
*-dp-intf are Display Port encoder.

Totally distinguishable. :)

The hardware blocks seem similar upon cursory comparison of the register
tables, with the base layout being the same, and sharing registers for
basic settings such as the display timings.

The DPI ones have some extra registers, presumably to control the signals
or output width. The DP one has some registers of its own that only make
sense for Display Port.


ChenYu

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  reply	other threads:[~2022-09-26  5:25 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-19 16:55 [PATCH v1 00/17] Add MT8195 HDMI support Guillaume Ranquet
2022-09-19 16:55 ` [PATCH v1 01/17] dt-bindings: clk: mediatek: Add MT8195 DPI clocks Guillaume Ranquet
2022-09-21  2:48   ` Bo-Chen Chen
2022-09-22  7:11   ` Krzysztof Kozlowski
2022-09-22 12:45     ` Guillaume Ranquet
2022-09-22 12:51       ` Krzysztof Kozlowski
2022-09-22 19:31         ` Konstantin Ryabitsev
2022-09-22 12:51   ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 02/17] clk: mediatek: add VDOSYS1 clock Guillaume Ranquet
2022-09-26  5:09   ` Chen-Yu Tsai
2022-09-26  5:35     ` Chen-Yu Tsai
2022-09-19 16:56 ` [PATCH v1 03/17] dt-bindings: phy: mediatek: hdmi-phy: Add mt8195 compatible Guillaume Ranquet
2022-09-22  7:12   ` Krzysztof Kozlowski
2022-09-22 12:52   ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 04/17] dt-bindings: display: mediatek: add MT8195 hdmi bindings Guillaume Ranquet
2022-09-22  7:18   ` Krzysztof Kozlowski
2022-09-27 13:54     ` Guillaume Ranquet
2022-09-27 14:31       ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 05/17] drm/mediatek: hdmi: use a syscon/regmap instead of iomem Guillaume Ranquet
2022-09-20 10:18   ` AngeloGioacchino Del Regno
2022-09-27 13:06     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 06/17] dt-bindings: mediatek: set the hdmi to be compatible with syscon Guillaume Ranquet
2022-09-20 10:19   ` AngeloGioacchino Del Regno
2022-09-22  7:19   ` Krzysztof Kozlowski
2022-09-27 14:03     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 07/17] drm/mediatek: extract common functions from the mtk hdmi driver Guillaume Ranquet
2022-09-20 10:25   ` AngeloGioacchino Del Regno
2022-09-27 13:08     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 08/17] drm/mediatek: hdmi: add cec flag Guillaume Ranquet
2022-09-20 10:34   ` AngeloGioacchino Del Regno
2022-09-19 16:56 ` [PATCH v1 09/17] drm/mediatek: hdmi: add connector flag Guillaume Ranquet
2022-09-20 10:38   ` AngeloGioacchino Del Regno
2022-10-03 15:39     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 10/17] drm/mediatek: hdmi: add frame_colorimetry flag Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 11/17] drm/mediatek: hdmi: add mt8195 support Guillaume Ranquet
2022-09-20 11:04   ` AngeloGioacchino Del Regno
2022-10-14 13:54     ` Guillaume Ranquet
2022-09-22  7:24   ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 12/17] drm/mediatek: hdmi: mt8195: add audio support Guillaume Ranquet
2022-09-20 11:11   ` AngeloGioacchino Del Regno
2022-09-27 13:13     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 13/17] phy: phy-mtk-hdmi: Add generic phy configure callback Guillaume Ranquet
2022-09-20 11:41   ` AngeloGioacchino Del Regno
2022-09-19 16:56 ` [PATCH v1 14/17] phy: mediatek: add support for phy-mtk-hdmi-mt8195 Guillaume Ranquet
2022-09-20  7:46   ` Chunfeng Yun
2022-09-27 13:23     ` Guillaume Ranquet
2022-09-28  2:40       ` Chunfeng Yun
2022-09-28 12:23         ` Guillaume Ranquet
2022-09-20 12:17   ` AngeloGioacchino Del Regno
2022-09-27 13:18     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 15/17] dt-bindings: display: mediatek: dpi: Add compatible for MediaTek MT8195 Guillaume Ranquet
2022-09-22  7:20   ` Krzysztof Kozlowski
2022-09-26  5:24     ` Chen-Yu Tsai [this message]
2022-09-26  6:38       ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 16/17] drm/mediatek: dpi: Add mt8195 hdmi to DPI driver Guillaume Ranquet
2022-09-20 12:22   ` AngeloGioacchino Del Regno
2022-09-27 13:34     ` Guillaume Ranquet
2022-09-28 13:09       ` AngeloGioacchino Del Regno
2022-09-22  7:22   ` Krzysztof Kozlowski
2022-09-27 13:38     ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 17/17] drm/mediatek: Add mt8195-dpi support to drm_drv Guillaume Ranquet
2022-09-22  7:20   ` Krzysztof Kozlowski
2022-09-27 13:04     ` Guillaume Ranquet
2022-09-27 14:28       ` Krzysztof Kozlowski
2022-10-03 15:29         ` Guillaume Ranquet
2022-10-04 10:49           ` Krzysztof Kozlowski
2022-10-04 11:55             ` Guillaume Ranquet
2022-10-04 15:05               ` Krzysztof Kozlowski
2022-10-05  9:34                 ` Guillaume Ranquet
2022-10-05 14:53                   ` Krzysztof Kozlowski

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