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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id t11-20020a2e8e6b000000b0025ebaef9570sm1684850ljk.40.2022.08.30.02.10.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Aug 2022 02:10:47 -0700 (PDT) Message-ID: <23d2764d-17da-5d26-29ed-0b1f5418d004@linaro.org> Date: Tue, 30 Aug 2022 12:10:46 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Subject: Re: [PATCH v2 1/3] dt-bindings: mediatek: Add gamma compatible for mt8195 Content-Language: en-US To: "zheng-yan.chen" , Chun-Kuang Hu , Rob Herring , Krzysztof Kozlowski , Matthias Brugger Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Jason-JH . Lin" , Singo Chang , Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220830063929.13390-1-zheng-yan.chen@mediatek.com> <20220830063929.13390-2-zheng-yan.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220830063929.13390-2-zheng-yan.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/08/2022 09:39, zheng-yan.chen wrote: > mt8195 uses 10bit-to-12bit gamma-LUT, which is not compatible with > current 9bit-to-10bit gamma-LUT. > > This patch thus add constant compatible for mt8195, which means that > mt8195 should only use specified mt8195 gamma driver data. > > Also, delete related compatible from enum, to ensure that > mt8195 will not accidentally get others' gamma driver data and thus > cause fatal error. > > Fixes: a79257bae9bf ("dt-bindings: display: mediatek: add mt8195 SoC binding for vdosys0") > Signed-off-by: zheng-yan.chen > --- > .../devicetree/bindings/display/mediatek/mediatek,gamma.yaml | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml > index a89ea0ea7542..fbd7b9664a78 100644 > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml > @@ -25,11 +25,12 @@ properties: > - const: mediatek,mt8173-disp-gamma > - items: > - const: mediatek,mt8183-disp-gamma > + - items: > + - const: mediatek,mt8195-disp-gamma This is one item, so not a list. With all such cases this should be dedicated enum. Best regards, Krzysztof