On Thu, Dec 14, 2017 at 11:30:21AM +0800, Chen-Yu Tsai wrote: > >> > + /* Map output pins to channel 0 */ > >> > + regmap_update_bits(tcon->regs, SUN4I_TCON_GCTL_REG, > >> > + SUN4I_TCON_GCTL_IOMAP_MASK, > >> > + SUN4I_TCON_GCTL_IOMAP_TCON0); > >> > + > >> > + /* Enable the output on the pins */ > >> > + regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG, 0xe0000000); > >> > >> Is this still needed? You are no longer using the TCON LCD pins > >> with LVDS. > > > > We do. It's a separate function of the pins, but it's the same pins. > > OK. I assume you've tried it without setting it and it failed? > I just assume that these refer to the TCON LCD output, whereas > LVDS looks like a separate module and function, and shouldn't > need it.
Argh, I forgot to test that. I'll test it for real this time and will update that part with a comment if that's needed. Sorry :/ Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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