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[62.151.111.63]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd4562a38sm4399507f8f.21.2026.07.31.06.02.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Jul 2026 06:02:38 -0700 (PDT) From: Javier Martinez Canillas To: Jakub Turek , Helge Deller , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jakub Turek Subject: Re: [PATCH 1/2] fbdev: ssd1307fb: add support for Sino Wealth SH1107 controller In-Reply-To: <20260731-feat-sh1107-v1-1-e10977f76e6b@elsta.tech> References: <20260731-feat-sh1107-v1-0-e10977f76e6b@elsta.tech> <20260731-feat-sh1107-v1-1-e10977f76e6b@elsta.tech> Date: Fri, 31 Jul 2026 15:02:36 +0200 Message-ID: <871pcje2hf.fsf@ocarina.mail-host-address-is-not-set> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Jakub Turek writes: Hello Jakub, > The SH1107 display controller is very similar to SSD1307 but the main > difference is that SH1107 has different memory layout and uses page mode > adressation only. > > The SH1107 relies primarily on vertical page addressing mode where the > internal 128x128 GDDRAM is split into 16 vertical pages, rather than > the horizontal/tile addressing modes natively utilized by the > SSD1306/SSD1307. > > Signed-off-by: Jakub Turek > --- The fbdev driver is obsolete and likely to be removed soon. Instead please use the KMS driver (drivers/gpu/drm/solomon/ssd130x*). This already has support for the sh1106, so adding ssh1307 support should be trivial (basically just adding an entry to the device ID tables I believe). -- Best regards, Javier Martinez Canillas Core Platforms Red Hat