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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id b5-20020ac25625000000b004a050ddc4ecsm1321680lff.125.2022.09.25.23.38.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 25 Sep 2022 23:38:23 -0700 (PDT) Message-ID: Date: Mon, 26 Sep 2022 08:38:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH v1 15/17] dt-bindings: display: mediatek: dpi: Add compatible for MediaTek MT8195 Content-Language: en-US To: Chen-Yu Tsai References: <20220919-v1-0-4844816c9808@baylibre.com> <20220919-v1-15-4844816c9808@baylibre.com> From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, David Airlie , Michael Turquette , dri-devel@lists.freedesktop.org, Krzysztof Kozlowski , linux-phy@lists.infradead.org, linux-clk@vger.kernel.org, Kishon Vijay Abraham I , Chun-Kuang Hu , Jitao shi , Chunfeng Yun , Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, Guillaume Ranquet , Stephen Boyd , Mattijs Korpershoek , linux-kernel@vger.kernel.org, Vinod Koul , Pablo Sun Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 26/09/2022 07:24, Chen-Yu Tsai wrote: > On Thu, Sep 22, 2022 at 3:20 PM Krzysztof Kozlowski > 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 >>> >>> 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. OK. Acked-by: Krzysztof Kozlowski Best regards, Krzysztof