Hi Anatolij,
I hate to come in late to the discussion, but while testing [1] with cache
enabled, I started down the path of fixing up code paths within
drivers/video/cfb_console.c that are followed by SABRE Lite as you did in [2].
[1] [PATCH V2 0/2] i.MX6: mx6qsabrelite: Add splash screen
On Thursday 19 July 2012 11:49:20 Marek Vasut wrote:
> Dear Mike Frysinger,
> > On Tuesday 05 June 2012 03:28:40 Anatolij Gustschin wrote:
> > > On Sat, 28 Apr 2012 17:04:07 +0200 Anatolij Gustschin wrote:
> > > > Data cache flushing is required for frame buffer in RAM to fix the
> > > > distorted
Dear Mike Frysinger,
> On Tuesday 05 June 2012 03:28:40 Anatolij Gustschin wrote:
> > On Sat, 28 Apr 2012 17:04:07 +0200 Anatolij Gustschin wrote:
> > > Data cache flushing is required for frame buffer in RAM to fix the
> > > distorted console text output. Currently this text distortion is
> > > o
On Tuesday 05 June 2012 03:28:40 Anatolij Gustschin wrote:
> On Sat, 28 Apr 2012 17:04:07 +0200 Anatolij Gustschin wrote:
> > Data cache flushing is required for frame buffer in RAM to fix the
> > distorted console text output. Currently this text distortion is
> > observed with cfb on beageboard a
On Sat, 28 Apr 2012 17:04:07 +0200
Anatolij Gustschin wrote:
> Data cache flushing is required for frame buffer in RAM to fix the
> distorted console text output. Currently this text distortion is
> observed with cfb on beageboard and N900 when running with data
> cache enabled.
>
> Reported-by:
On Monday 30 April 2012 11:32:21 Anatolij Gustschin wrote:
> On Sat, 28 Apr 2012 14:16:39 -0400 Mike Frysinger wrote:
> > On Saturday 28 April 2012 11:04:07 Anatolij Gustschin wrote:
> > > +static int cfb_fb_is_in_dram(void)
> > > +{
> > > + bd_t *bd = gd->bd;
> > > + ulong start, end;
> > > + int
Hi Simon,
On Sun, 29 Apr 2012 22:56:01 -0700
Simon Glass wrote:
...
> Regarding this patch, can I suggest also looking at this possibly more
> generic patch that I originally did for Tegra? The series is here:
>
> http://patchwork.ozlabs.org/user/bundle/2869/
>
> and in particular these patches
Dear Anatolij Gustschin,
> Hi,
>
> On Mon, 30 Apr 2012 17:21:51 +0200
> Marek Vasut wrote:
> ...
>
> > > > Can't you have SRAM cached too? ;-)
> > >
> > > I do not know. But who will put the framebuffer into SRAM?
> > > It is not big enough.
> >
> > Someone who has small LCD and wants to save
Hi Mike,
On Sat, 28 Apr 2012 14:16:39 -0400
Mike Frysinger wrote:
> On Saturday 28 April 2012 11:04:07 Anatolij Gustschin wrote:
> > +static int cfb_fb_is_in_dram(void)
> > +{
> > + bd_t *bd = gd->bd;
> > + ulong start, end;
> > + int i;
> > +
> > + for (i = 0; i < CONFIG_NR_DRAM_BANKS;
Hi,
On Mon, 30 Apr 2012 17:21:51 +0200
Marek Vasut wrote:
...
> > > Can't you have SRAM cached too? ;-)
> >
> > I do not know. But who will put the framebuffer into SRAM?
> > It is not big enough.
>
> Someone who has small LCD and wants to save dram bandwidth (oh, this sentence
> sounds stupid
Dear Anatolij Gustschin,
> Hi,
>
> On Mon, 30 Apr 2012 04:25:50 +0200
> Marek Vasut wrote:
> ...
>
> > > observed with cfb on beageboard and N900 when running with data
> > > cache enabled.
> >
> > beagleboard ;-)
>
> Thanks for catching that!!
>
> ...
>
> > > @@ -553,6 +557,8 @@ static voi
Hi,
On Mon, 30 Apr 2012 04:25:50 +0200
Marek Vasut wrote:
...
> > observed with cfb on beageboard and N900 when running with data
> > cache enabled.
>
> beagleboard ;-)
Thanks for catching that!!
...
> > @@ -553,6 +557,8 @@ static void video_drawchars(int xx, int yy, unsigned
> > char *s, int
Hi,
On Sun, Apr 29, 2012 at 7:25 PM, Marek Vasut wrote:
> Dear Anatolij Gustschin,
>
> > Data cache flushing is required for frame buffer in RAM to fix the
> > distorted console text output. Currently this text distortion is
> > observed with cfb on beageboard and N900 when running with data
> >
Dear Anatolij Gustschin,
> Data cache flushing is required for frame buffer in RAM to fix the
> distorted console text output. Currently this text distortion is
> observed with cfb on beageboard and N900 when running with data
> cache enabled.
beagleboard ;-)
>
> Reported-by: Pali Rohár
> Sign
On Saturday 28 April 2012 11:04:07 Anatolij Gustschin wrote:
> +static int cfb_fb_is_in_dram(void)
> +{
> + bd_t *bd = gd->bd;
> + ulong start, end;
> + int i;
> +
> + for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
> +#if defined(CONFIG_ARM) || defined(CONFIG_AVR32) || defined(COFNIG_
On Saturday 28 April 2012 17:04:07 you wrote:
> Data cache flushing is required for frame buffer in RAM to fix
> the distorted console text output. Currently this text
> distortion is observed with cfb on beageboard and N900 when
> running with data cache enabled.
>
> Reported-by: Pali Rohár
> Sig
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