From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 12/17] lcd: Add support for flushing LCD fb from dcache after update
Date: Sat, 14 Jan 2012 21:16:58 -0500 [thread overview]
Message-ID: <201201142116.59100.vapier@gentoo.org> (raw)
In-Reply-To: <CAPnjgZ1AXqO2QG5-E-_kmbASBZS+EDYEfJDLQ9Z5Aq3goLryvw@mail.gmail.com>
On Saturday 14 January 2012 20:57:25 Simon Glass wrote:
> On Sat, Jan 14, 2012 at 5:42 PM, Mike Frysinger wrote:
> > On Saturday 14 January 2012 19:47:24 Simon Glass wrote:
> >> --- a/common/cmd_echo.c
> >> +++ b/common/cmd_echo.c
> >> @@ -44,8 +44,9 @@ int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char
> >> * const argv[]) }
> >> }
> >>
> >> + /* Use puts() so that the LCD sees it as a new line */
> >> if (putnl)
> >> - putc('\n');
> >> + puts("\n");
> >>
> >> return 0;
> >> }
> >
> > this sounds like a hack for a broken LCD core and so the fix should be
> > somewhere in there
>
> Well it's actually that I don't want to flush after every character
> (it slows things down a lot)
right, but ...
> so puts is a good place to look
most puts() that i've seen are simple loops that call putc()
> I suppose we could flush after every newline we see in lcd_putc().
that would be the right way to go i think
-mike
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next prev parent reply other threads:[~2012-01-15 2:16 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-15 0:47 [U-Boot] [PATCH 0/17] tegra: Add display driver and LCD support for Seaboard Simon Glass
[not found] ` <1326588449-1794-1-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2012-01-15 0:47 ` [PATCH 01/17] fdt: Add function to look up a phandle's register address Simon Glass
2012-01-15 0:47 ` [U-Boot] " Simon Glass
2012-01-15 0:47 ` [PATCH 02/17] fdt: Add header guard to fdtdec.h Simon Glass
2012-01-15 0:47 ` [U-Boot] " Simon Glass
2012-01-15 0:47 ` [PATCH 03/17] fdt: Correct GPIO name access in fdtdec Simon Glass
2012-01-15 0:47 ` [U-Boot] " Simon Glass
2012-01-15 0:47 ` [PATCH 05/17] tegra: fdt: Add LCD definitions for Tegra Simon Glass
2012-01-15 0:47 ` [U-Boot] " Simon Glass
2012-01-15 0:47 ` [PATCH 15/17] tegra: fdt: Add LCD definitions for Seaboard Simon Glass
2012-01-15 0:47 ` [U-Boot] " Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 04/17] tegra: Add display support to funcmux Simon Glass
2012-01-15 1:36 ` Mike Frysinger
2012-06-13 12:15 ` Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 06/17] tegra: Add support for PWFM Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 07/17] tegra: Add SOC support for display/lcd Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 08/17] tegra: Add LCD driver Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 09/17] tegra: Add LCD support to Nvidia boards Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 10/17] arm: Add control over cachability of memory regions Simon Glass
2012-02-10 20:38 ` Albert ARIBAUD
2012-03-04 6:20 ` Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 11/17] lcd: Add CONFIG_ALIGN_LCD_TO_SECTION to align lcd for MMU Simon Glass
2012-01-15 1:38 ` Mike Frysinger
2012-06-13 12:23 ` Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 12/17] lcd: Add support for flushing LCD fb from dcache after update Simon Glass
2012-01-15 1:42 ` Mike Frysinger
2012-01-15 1:57 ` Simon Glass
2012-01-15 2:16 ` Mike Frysinger [this message]
2012-06-13 12:25 ` Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 13/17] tegra: Align LCD frame buffer to section boundary Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 14/17] tegra: Support control of cache settings for LCD Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 16/17] lcd: Add CONSOLE_SCROLL_LINES option to speed console Simon Glass
2012-01-15 0:47 ` [U-Boot] [PATCH 17/17] tegra: Enable display/lcd support on Seaboard Simon Glass
2012-04-19 12:41 ` [U-Boot] [PATCH 0/17] tegra: Add display driver and LCD support for Seaboard Christian Kroehnert
2012-07-14 8:03 ` Simon Glass
2012-07-17 16:11 ` Thierry Reding
2012-07-18 6:51 ` Simon Glass
2012-07-19 12:01 ` Christian Kroehnert
2012-07-24 19:16 ` Stephen Warren
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