On Wed, Jan 26, 2022 at 04:08:32PM +0200, Andy Shevchenko wrote: > On Wed, Jan 26, 2022 at 02:46:08PM +0100, Javier Martinez Canillas wrote: > > On 1/26/22 14:12, Andy Shevchenko wrote: ... > > I've just bought a SSD1306 (I2C) based one and will attempt to write a DRM > > driver using drivers/staging/fbtft/fb_ssd1306.c as a reference. > > You should take ssd1307fb.c instead. And basically create a MIPI based driver > for I2C. Then we won't go same road again for other similar devices. For the record it supports your device: static const struct i2c_device_id ssd1307fb_i2c_id[] = { { "ssd1305fb", 0 }, { "ssd1306fb", 0 }, { "ssd1307fb", 0 }, { "ssd1309fb", 0 }, -- With Best Regards, Andy Shevchenko