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 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
screen1_output_type = 3
screen1_output_mode = 4
fb0_framebuffer_num = 4
fb0_format = 10
fb0_pixel_sequence = 0
fb0_scaler_mode_enable = 1
fb1_framebuffer_num = 2
fb1_format = 10
fb1_pixel_sequence = 0
fb1_scaler_mode_enable = 1
lcd0_bright = 197
lcd1_bright = 197
lcd0_screen_bright = 50
lcd0_screen_contrast = 50
lcd0_screen_saturation = 57
lcd0_screen_hue = 50
lcd1_screen_bright = 50
lcd1_screen_contrast = 50
lcd1_screen_saturation = 57
lcd1_screen_hue = 50
[lcd0_para]
lcd_used = 1
lcd_x = 1920
lcd_y = 1080
lcd_dclk_freq = 69
lcd_pwm_not_used = 0
lcd_pwm_ch = 0
lcd_pwm_freq = 10000
lcd_pwm_pol = 0
lcd_if = 3
lcd_hbp = 160
lcd_ht = 2084
lcd_vbp = 31
lcd_vt = 2226
lcd_hv_if = 0
lcd_hv_smode = 0
lcd_hv_s888_if = 0
lcd_hv_syuv_if = 0
lcd_hv_vspw = 0
lcd_hv_hspw = 0
lcd_lvds_ch = 1
lcd_lvds_mode = 0
lcd_lvds_bitwidth = 1
lcd_lvds_io_cross = 0
lcd_cpu_if = 0
lcd_frm = 1
lcd_io_cfg0 = 268435456
lcd_gamma_correction_en = 0
lcd_gamma_tbl_0 = 0x0
lcd_gamma_tbl_1 = 0x10101
lcd_gamma_tbl_255 = 0xffffff
lcd_bl_en_used = 1
lcd_bl_en = port:PH07<1><0><default><1>
lcd_power_used = 1
lcd_power = port:PH08<1><0><default><1>
lcd_pwm_used = 1
lcd_pwm = port:PB02<2><0><default><default>
On Tue, Jan 20, 2015 at 9:57 PM, Kaspter Ju <[email protected]
<mailto:[email protected]>> wrote:
Hi George,
thanks for your input, what kernel code did you use?
https://github.com/linux-__sunxi/linux-sunxi.git
<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 with just the normal FEX file changes.
On Mon, Jan 19, 2015 at 11:45 PM, Kaspter Ju
<[email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>__>
wrote:
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 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
Tsvetan
07 януари 2014, вторник, 08:33:08 UTC+2, Dmitriy B. написа:
Interesting detail is, OLIMEX now sells LVDS panel
https://www.olimex.com/____Products/OLinuXino/A20/A20-____LCD15.6/
<https://www.olimex.com/__Products/OLinuXino/A20/A20-__LCD15.6/>
<https://www.olimex.com/__Products/OLinuXino/A20/A20-__LCD15.6/
<https://www.olimex.com/Products/OLinuXino/A20/A20-LCD15.6/>>
<https://www.olimex.com/____Products/OLinuXino/A20/A20-____LCD15.6/
<https://www.olimex.com/__Products/OLinuXino/A20/A20-__LCD15.6/>
<https://www.olimex.com/__Products/OLinuXino/A20/A20-__LCD15.6/
<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/
<http://olimex.wordpress.com/__2013/12/09/new-product-in-__stock-monster-lvds-15-6-lcd-__for-a20-olinuxino/>
<http://olimex.wordpress.com/__2013/12/09/new-product-in-__stock-monster-lvds-15-6-lcd-__for-a20-olinuxino/
<http://olimex.wordpress.com/2013/12/09/new-product-in-stock-monster-lvds-15-6-lcd-for-a20-olinuxino/>>
<http://olimex.wordpress.com/____2013/12/09/new-product-in-____stock-monster-lvds-15-6-lcd-____for-a20-olinuxino/
<http://olimex.wordpress.com/__2013/12/09/new-product-in-__stock-monster-lvds-15-6-lcd-__for-a20-olinuxino/>
<http://olimex.wordpress.com/__2013/12/09/new-product-in-__stock-monster-lvds-15-6-lcd-__for-a20-olinuxino/
<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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