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Sun, 25 Jul 2021 21:02:59 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 26 Jul 2021 12:02:57 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 26 Jul 2021 12:02:57 +0800 Message-ID: <1627272177.27642.1.camel@mtksdaap41> Subject: Re: [PATCH v3 2/2] dt-bindings: mediatek: add force_dsi_end_without_null for dsi From: CK Hu To: Jitao Shi CC: Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , "Daniel Vetter" , David Airlie , , , , , , , , , , Date: Mon, 26 Jul 2021 12:02:57 +0800 In-Reply-To: <20210726021104.80007-2-jitao.shi@mediatek.com> References: <20210726021104.80007-1-jitao.shi@mediatek.com> <20210726021104.80007-2-jitao.shi@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210725_210305_343038_FAE82267 X-CRM114-Status: GOOD ( 17.43 ) 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 Hi, Jitao: On Mon, 2021-07-26 at 10:11 +0800, Jitao Shi wrote: > Some bridge chip will shift screen when the dsi data does't ent at > the same time in line. > > Signed-off-by: Jitao Shi > --- > .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > index 8238a86686be..1c2f53f3ac3d 100644 > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > @@ -19,6 +19,10 @@ Required properties: > Documentation/devicetree/bindings/graph.txt. This port should be connected > to the input port of an attached DSI panel or DSI-to-eDP encoder chip. > > +Optional properties: > +- force_dsi_end_without_null: Some bridge chip(ex. ANX7625) requires the > + packets on lanes aligned at the end. > + I think you should add this property in [1] because this limitation is ANX7625's limitation. [1] Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml Regards, CK > MIPI TX Configuration Module > ============================ > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel