[PATCH 05/10] i.MX23/28: Fix setting of lcd clock

Sascha Hauer s.hauer at pengutronix.de
Fri Jan 21 04:37:52 EST 2011


On Thu, Jan 20, 2011 at 06:52:39PM +0100, Gregory CLEMENT wrote:
> On 01/20/2011 03:57 PM, Sascha Hauer wrote:
> > On Thu, Jan 20, 2011 at 03:01:47PM +0100, Gregory CLEMENT wrote:
> >> On 01/20/2011 10:46 AM, Sascha Hauer wrote:
> >>> Use the correct bitmask for masking out which is
> >>> SET_PIXFRAC(MASK_PIXFRAC)
> >>>
> >>
> >> I was just about to send you the same kind of patch, as this bug bit me during
> >> kernel boot when using cpufreq.
> >>
> >> As you are working on imx23 and video driver, what do you think of my previous
> >> patches ? I sent them in January the 4th:
> >>
> >> ARM STM/i.MX: Add possibility to choose the bit per pixel for STM
> >>     video driver
> > 
> > This looks ok.
> > 
> >> ARM STM/i.MX: Add possibility to select the data mode for stm video
> >>       driver ( DCn signal is high )
> > 
> > Looks ok. What is this pin good for? Is this bit used in conjunction
> > with other bits which happen to have the right value for you?
> > 
> 
> You made me dig in the datasheet and check my code. And finally this
> patch is pointless! The DCn signal which seems related to LCD_RS is
> only used in MPU interface whereas we use Dotclock interface.
> I just checked again and without it, my LCD still worked. It seems
> that I forgot to test this patch alone, as my configuration need
> the following patch to work, I didn't notice this patch did nothing.
> Sorry for this fake patch :(
> 
> >> ARM STM/i.MX: Add the reset control of LCD
> > 
> > We use the same pin as gpio and toggle it in the platform specific hook,
> > so I could rebase my chumby patch on this one.
> > 
> > For the last two patches I prefer having flags in the platform data
> > rather than having a u32 for a single flag.
> > 
> How could we process?
> 
> Will you get the 1st patch as is ?
> 
> For the other, have you a git tree available where all your patches lie?

I merged my mx23 patches and your first patch to -next. You can rebase
your remaining patches on -next and I'll convert the chumby to use the
reset pin later.

Sascha

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