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Message-ID: <CAMuHMdV3Z-BH+c1B7wB7PBn+WEih35H77OZi=FarBiB9GkdGOQ@mail.gmail.com> Date: Sun, 6 Jul 2025 12:27:31 +0200 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Finn Thain <fthain@...ux-m68k.org> Cc: linux-m68k@...ts.linux-m68k.org, stable@...r.kernel.org, linux-kernel@...r.kernel.org, Andreas Schwab <schwab@...ux-m68k.org> Subject: Re: [PATCH v3 1/3] m68k: Fix lost column on framebuffer debug console On Thu, 27 Mar 2025 at 23:44, Finn Thain <fthain@...ux-m68k.org> wrote: > Move the cursor position rightward after rendering the character, > not before. This avoids complications that arise when the recursive > console_putc call has to wrap the line and/or scroll the display. > This also fixes the linewrap bug that crops off the rightmost column. > > When the cursor is at the bottom of the display, a linefeed will not > move the cursor position further downward. Instead, the display scrolls > upward. Avoid the repeated add/subtract sequence by way of a single > subtraction at the initialization of console_struct_num_rows. > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Cc: stable@...r.kernel.org > Signed-off-by: Finn Thain <fthain@...ux-m68k.org> > --- > Changed since v2: > - addil and subil are now addql and subql resp. Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org> i.e. will queue in the m68k tree for v6.17. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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