Hi Tom, On Wed, Jun 27, 2012 at 7:11 AM, Simon Glass <s...@chromium.org> wrote:
> Hi Tom, > > On Mon, Jun 25, 2012 at 2:03 PM, Tom Warren <twar...@nvidia.com> wrote: > >> Simon, >> >> > -----Original Message----- >> > From: Stephen Warren [mailto:swar...@wwwdotorg.org] >> > Sent: Wednesday, June 13, 2012 3:58 PM >> > To: Simon Glass >> > Cc: U-Boot Mailing List; Tom Warren >> > Subject: Re: [PATCH v2 0/19] tegra: Add display driver and LCD support >> for >> > Seaboard >> > >> > On 06/13/2012 10:19 AM, Simon Glass wrote: >> > > This series adds support for the Tegra2x's display peripheral. This >> > > supports the LCD display on Seaboard and we use this to enable console >> > > output in U-Boot on the LCD. >> > >> > Simon, >> > >> > This series doesn't apply to u-boot-tegra/master cleanly; there are a >> couple >> > trivial conflicts in arch/arm/cpu/armv7/tegra2/Makefile to resolve, but >> I >> > had to apply the final patch completely by hand. >> > >> > When I run the resultant binary, I see the LCD backlight turn on, but >> the >> > image on the LCD is wrong; it starts completely black without any text >> > showing, then slowly fills in to white/gray with many horizontal and >> > vertical black lines; I guess the LCD timing is incorrect - are there >> > multiple different LCD models? Note that I am using a real Seaboard not >> a >> > Springbank for this test. >> >> I don't see Stephen's LCD problems, but I don't see clear text on my >> Seaboard T20-A03 dev system LCD, either. The text is blurred / almost >> unreadable, especially the last line (cmd prompt). I don't know if it's the >> scrolling change or the cache change, as previous incarnations (in the >> Google repo, at least) were just fine. Power-cycling doesn't fix it. I >> didn't test Ventana or Harmony. >> >> Please update the patchset so it (a) applies to u-boot-tegra/master >> and/or /next, and (b) fixes the text corruption on the LCD. >> > > Yes will do. > > I am not sure about the text corruption as I didn't see that, but perhaps > the rebase has caused something to change. Will take a look. > I am still not seeing any text corruption here, nor Stephen's LCD problems. Are you running with the cache on or off? (not that it should matter - have tested both). Regards, Simon > > Regards > Simon > > >> >> Tom >> -- >> nvpublic >> > >
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