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Tue, 27 Oct 2026 15:09:18 -0700 (PDT) Received: from localhost.localdomain ([2a01:e0a:9d2:5a71:5cfb:af57:9834:741b]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e3ebcb958sm25306661f8f.21.2026.10.27.15.09.17 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 27 Oct 2026 15:09:17 -0700 (PDT) From: Olivier Louvignes To: Krzysztof Kozlowski , Paul Cercueil Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Neil Armstrong , David Airlie , Simona Vetter , Jessica Zhang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "H. Nikolaus Schaller" , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Olivier Louvignes Subject: Re: [PATCH v2 2/5] dt-bindings: display: Add the Ingenic X1600 LCD controller Date: Tue, 27 Oct 2026 23:08:02 +0100 Message-ID: <20261027220802.56348-1-olivier@mgcrea.io> X-Mailer: git-send-email 2.54.0 In-Reply-To: <465cb935-2648-458b-9cfc-9b7fd5dc53c5@kernel.org> References: <270ef5220fdd5ec3e0b88ba5c4ce044992fca41a.camel@crapouillou.net> <465cb935-2648-458b-9cfc-9b7fd5dc53c5@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Krzysztof, No, it does not. The X1600's controller fetches its frames from memory itself, through its own descriptors and DMA (programming manual, section 10.3.1 and Figure 10-1: AXI -> DMA -> async FIFO -> TFT/SLCD), and the manual has no IPU or other block in front of it. So the only link in its datapath is the output, to the panel or bridge, which the binding's port describes. Will send a v3 with your other points after -rc1. Thanks, Olivier