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[89.27.92.210]) by smtp.gmail.com with ESMTPSA id n2-20020a2e7202000000b00261d619fb16sm329148ljc.82.2022.08.23.01.38.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Aug 2022 01:38:27 -0700 (PDT) Message-ID: <2bbafb3f-3f69-c014-b86c-476f56d93659@linaro.org> Date: Tue, 23 Aug 2022 11:38:26 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [PATCH 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: <20220822091945.21343-1-zheng-yan.chen@mediatek.com> <20220822091945.21343-2-zheng-yan.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220822091945.21343-2-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 22/08/2022 12:19, zheng-yan.chen wrote: > mt8195 uses 10bit-to-12bit gamma-LUT, which is different from > current 9bit-to-10bit gamma-LUT, so this patch add its own compatible > for mt8195. I am not sure if this explains the need for change. Is mt8195 still compatible with mt8183 or not? Your driver change suggests that it is and points that this commit is wrong. > > 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 > - items: > - enum: > - mediatek,mt8186-disp-gamma > - mediatek,mt8192-disp-gamma > - - mediatek,mt8195-disp-gamma Best regards, Krzysztof