Dear Kaspter
I'm afraid I can't comment it out, I couldn't find any CONFIG_SUNXI_DISPLAY
define in my u-boot source tree.
I use this version: git clone https://github.com/RobertCNelson/u-boot
I grepped like this: cd u-boot; grep -r CONFIG_SUNXI_DISPLAY *
Have You got any idea, or could You offer
Hi Attila,
Just comment out CONFIG_SUNXI_DISPLAY
--- a/u-boot-2011.09/include/configs/sun7i.h
+++ b/u-boot-2011.09/include/configs/sun7i.h
@@ -150,7 +150,7 @@
#define CONFIG_CMD_BOOTA
#define CONFIG_SUN7I_DMA
#define CONFIG_CMD_MEMORY
-#define CONFIG_SUNXI_DISPLAY
+//#define CONFIG_SUNXI_DISP
Dear Kaspter,
Could You explain how did You disable lvds in u-boot?
I have the exatly same problem, with my olimex a20 som,
I dont have lvds clock, just constant high signal.
Thanks in advance
Attila HOFFEREK
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thank you George,
After some testing, 2 channel LVDS panel worked well if i disable lvds
output in uboot, hope this help others.
On 01/21/2015 10:13 PM, George Ioakimedes wrote:
I don't have that system on the workbench right now but it was off of
the 3.4 branch and pulled within the last few
I don't have that system on the workbench right now but it was off of the
3.4 branch and pulled within the last few months. For reference here is the
display portion of my FEX:
[disp_init]
>
> disp_init_enable = 1
>
> disp_mode = 4
>
> screen0_output_type = 1
>
> screen0_output_mode = 4
>
> screen
Hi George,
thanks for your input, what kernel code did you use?
https://github.com/linux-sunxi/linux-sunxi.git branch sunxi-3.4?
thanks again,
Best Regards.
On 01/20/2015 10:32 PM, George Ioakimedes wrote:
I recently connected a 2 channel LVDS panel to Cubieboard2 (A20) and it
worked well w
I recently connected a 2 channel LVDS panel to Cubieboard2 (A20) and it
worked well with just the normal FEX file changes.
On Mon, Jan 19, 2015 at 11:45 PM, Kaspter Ju wrote:
> Hi all
>
> LVDS two channels pannel can't works well, Can you explain how you write
> directly in PLL registers and whi
Hi all
LVDS two channels pannel can't works well, Can you explain how you write
directly in PLL registers and which values ?
many thanks.
-Kaspter
On 01/07/2014 02:38 PM, TsvetanUsunov wrote:
LVDS works, but as I reported a month ago LVDS driver is buggy, if the
LVDS is one channel clock is
> LVDS works, but as I reported a month ago LVDS driver is buggy, if the LVDS
> is one channel clock is OK, if the LVDS is two channels (like for Full HD
> 1980x1080p LCDs) the clock gets divided by the number of the channels which
> is wrong and we fix this manually by writing directly in PLL
Just to let you know I have tested many LVDS panels with both A10 and A20
as well as several kernels and have them working for more than 1 year now.
I have not tested a dual channel (odd/even) in a long time so I can't say
if the pixel clock is divided or not.
On Sunday, January 12, 2014 3:51:1
Hello,
Trying to reproduce bug on cubieboard2 brought me a solution.
In fex file of my tablet there wasn't initialized pll3.
I will send this oneliner patch.
Korneliusz Osmenda
On Wednesday, January 8, 2014 1:15:05 AM UTC+1, Michal Suchanek wrote:
>
> Hello,
>
> On 7 January 2014 07:38, Tsveta
Hello,
On 7 January 2014 07:38, TsvetanUsunov wrote:
> LVDS works, but as I reported a month ago LVDS driver is buggy, if the LVDS
> is one channel clock is OK, if the LVDS is two channels (like for Full HD
> 1980x1080p LCDs) the clock gets divided by the number of the channels which
> is wrong a
>
> Where was this reported?
>
> Luc Verhaegen.
>
do not remember, probably on IRC
Tsvetan
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On Mon, Jan 06, 2014 at 10:38:21PM -0800, TsvetanUsunov wrote:
> LVDS works, but as I reported a month ago LVDS driver is buggy, if the LVDS
> is one channel clock is OK, if the LVDS is two channels (like for Full HD
> 1980x1080p LCDs) the clock gets divided by the number of the channels which
>
linux-sunxi 3.4.67+
07 януари 2014, вторник, 09:04:24 UTC+2, Dmitriy B. написа:
>
> 2014/1/7 TsvetanUsunov
>
>> LVDS works, but as I reported a month ago LVDS driver is buggy
>>
> Thanks for rapid answer, but could you clarify, what kernel do you use?
> Our community one, or Allwinner SDK Android
2014/1/7 TsvetanUsunov
> LVDS works, but as I reported a month ago LVDS driver is buggy
>
Thanks for rapid answer, but could you clarify, what kernel do you use? Our
community one, or Allwinner SDK Android?
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LVDS works, but as I reported a month ago LVDS driver is buggy, if the LVDS
is one channel clock is OK, if the LVDS is two channels (like for Full HD
1980x1080p LCDs) the clock gets divided by the number of the channels which
is wrong and we fix this manually by writing directly in PLL registers
Interesting detail is, OLIMEX now sells LVDS panel
https://www.olimex.com/Products/OLinuXino/A20/A20-LCD15.6/
http://olimex.wordpress.com/2013/12/09/new-product-in-stock-monster-lvds-15-6-lcd-for-a20-olinuxino/
They claim that it works with A20-OLinuXino-MICRO.
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On 6 January 2014 20:06, Luc Verhaegen wrote:
> On Mon, Jan 06, 2014 at 05:41:27PM +0100, Michal Suchanek wrote:
>>
>> Goerge Ioakimedes (the baseboard guy) has some LVDS lcds in his shop
>> and presumably has them working on a10. So maybe at some point in
>> time this actually worked.
>
> Could b
On Mon, Jan 06, 2014 at 01:55:36PM -0800, Korneliusz Osmenda wrote:
>
>
> On Monday, January 6, 2014 8:15:29 PM UTC+1, Luc Verhaegen wrote:
> >
> > On Mon, Jan 06, 2014 at 08:18:03AM -0800, Korneliusz Osmenda wrote:
> > >
> >
> > Do fill out that page more, and get us some pictures.
> >
> > Lu
On Monday, January 6, 2014 8:15:29 PM UTC+1, Luc Verhaegen wrote:
>
> On Mon, Jan 06, 2014 at 08:18:03AM -0800, Korneliusz Osmenda wrote:
> >
>
> Do fill out that page more, and get us some pictures.
>
> Luc Verhaegen.
>
Camera in my phone cannot focus on glossy display and case. I will need
On Mon, Jan 06, 2014 at 08:18:03AM -0800, Korneliusz Osmenda wrote:
>
Do fill out that page more, and get us some pictures.
Luc Verhaegen.
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On Mon, Jan 06, 2014 at 05:41:27PM +0100, Michal Suchanek wrote:
>
> Goerge Ioakimedes (the baseboard guy) has some LVDS lcds in his shop
> and presumably has them working on a10. So maybe at some point in
> time this actually worked.
Could be, and could be that it still works on A10, with the ri
On 6 January 2014 17:05, Luc Verhaegen wrote:
> On Mon, Jan 06, 2014 at 07:21:14AM -0800, Korneliusz Osmenda wrote:
>>
>> There are support files in sunxi-boards and sunxi-uboot.
>> Now I have added basic wiki page (sorry that I haven't done sooner)
>> I use sunxi-bsp to make hwpack.
>> I use sunx
On Monday, January 6, 2014 5:05:37 PM UTC+1, Luc Verhaegen wrote:
>
> On Mon, Jan 06, 2014 at 07:21:14AM -0800, Korneliusz Osmenda wrote:
> >
> > There are support files in sunxi-boards and sunxi-uboot.
> > Now I have added basic wiki page (sorry that I haven't done sooner)
> > I use sunxi-bs
On Mon, Jan 06, 2014 at 07:21:14AM -0800, Korneliusz Osmenda wrote:
>
> There are support files in sunxi-boards and sunxi-uboot.
> Now I have added basic wiki page (sorry that I haven't done sooner)
> I use sunxi-bsp to make hwpack.
> I use sunxi-v3.4.75-r0-1-g9cfbbed kernel
Please do spend a bit
On Monday, January 6, 2014 3:46:41 PM UTC+1, Luc Verhaegen wrote:
>
> On Mon, Jan 06, 2014 at 05:41:36AM -0800, Korneliusz Osmenda wrote:
> > Hi,
> >
> > I'm trying to run linux on my tablet. (K1001L1C)
> >
> > I have probed PD7 pin to get know what is going on.
> > On android I get 52MHz L
On Mon, Jan 06, 2014 at 05:41:36AM -0800, Korneliusz Osmenda wrote:
> Hi,
>
> I'm trying to run linux on my tablet. (K1001L1C)
>
> I have probed PD7 pin to get know what is going on.
> On android I get 52MHz LVDS signal.
> On linux-sunxi I get high LVDS state (1,4V)
>
> I tried to tweak fex file
Hi,
I'm trying to run linux on my tablet. (K1001L1C)
I have probed PD7 pin to get know what is going on.
On android I get 52MHz LVDS signal.
On linux-sunxi I get high LVDS state (1,4V)
I tried to tweak fex file but I haven't got anywhere.
Regards.
Korneliusz Osmenda
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