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[188.155.201.27]) by smtp.gmail.com with ESMTPSA id h30-20020a056402095e00b00412b81dd96esm7858108edz.29.2022.04.06.07.44.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 07:44:17 -0700 (PDT) Message-ID: <397e30c2-18c3-93d6-16f5-b113be77f51a@linaro.org> Date: Wed, 6 Apr 2022 16:44:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183 Content-Language: en-US To: Rex-BC Chen , chunkuang.hu@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org Cc: matthias.bgg@gmail.com, p.zabel@pengutronix.de, airlied@linux.ie, yongqiang.niu@mediatek.com, jason-jh.lin@mediatek.com, nancy.lin@mediatek.com, allen-kh.cheng@mediatek.com, 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, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220406094654.29722-1-rex-bc.chen@mediatek.com> <20220406094654.29722-2-rex-bc.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220406094654.29722-2-rex-bc.chen@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220406_074422_699134_02F2CF9E X-CRM114-Status: GOOD ( 11.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 06/04/2022 11:46, Rex-BC Chen wrote: > The driver data of MT8183 and MT8173 are different. > The value of has_gamma for MT8173 is true while the value of MT8183 is > false. Therefore, the compatible of disp_aal for MT8183 is not suitable > for the compatible for MT8173. Just because one feature is not supported, it does not mean they are incompatible, which you claim in the patch below. Are you sure they are really incompatible and MT8173 fallback cannot be used? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel