HDMI Resolutions testing

[davemf]

@Gouwa

We are pushing amlogic to do that, but still need some time, and will update asap when this got resolved.

Hi, Gouwa!
What is amlogic’s developers said on this issue?

[Tommy21]

I am not satisfied with this, most of the stuff needed depends on Amlogic and Arm, so if they are in a bad mood, they can reject you, this is so frustrating.

Come on Amlogic, Allwinner, Rockchip, Arm…, it’s 21st century, it would be normal for any sbc to run Gnu/Linux distributions, without having stupid driver and many other issues.

I think it’s in their interest, running multiple operating systems on a sbc is a plus for any manufacturer, this can only help them.

Why don’t they release their sources to community, so the community will maintain all that is needed, they won’t lose nothing, it can only help them.

There is a chance, that we could end up waiting for months, if Amlogic decides this, and i didn’t bought this board for collecting dust, i bought it as a mini pc.

[davemf]

Hi, terry & Gouwa!
How long to wait?

This display supports 1024600 and 800480 only, and does not support the 1280720 and 19201080.

[davemf]

Will there be a solution?

[prigaux]

I’m too waiting for a 800x480 output in Nougat and mmallow…

Any ETA for a solution?

Best

Philippe

[lTzXl]

Hello. Any news? I’m waiting for 1024x600 too.

[Gouwa]

We are applying the documentation from Amlogic, will share here and keep researching on this.

[davemf]

And Where is it?
How long to wait custom resolutions?

[Gouwa]

@Joseph confirm and update

[Joseph]

HI davemf，
AMLOGIC 's project manager have communicated with their shanghai engineer ,I conact him moriing,their software enginerr is filling the ducuments.
it will reply this week.

[Joseph]

HI davemf, sorry for lating to reply about the HDMI resolutions issue ,I have got a ducument from amlogic RD, I provide it to you first, any question pls contact me anytime,ths!

refer as below:
http://www.mediafire.com/file/xwdzebf8uj4q3fk/HDMI_CLOCK.pdf

[davemf]

@Joseph

refer as below:
HDMI CLOCK

Ok, we can answer the question#2

@Terry

2. How to set the P_HHI_HDMI_PLL_CNTL register ?

   github.com

   khadas/linux/blob/Vim/drivers/amlogic/hdmi/hdmi_tx_20/hw/hw_clk.c#L192-L259

static void set_gxl_hpll_clk_out(unsigned clk)
{
switch (clk) {
case 5940000:
hd_write_reg(P_HHI_HDMI_PLL_CNTL, 0x400002f7);
hd_write_reg(P_HHI_HDMI_PLL_CNTL2, 0x800cb200);
hd_write_reg(P_HHI_HDMI_PLL_CNTL3, 0x860f30c4);
hd_write_reg(P_HHI_HDMI_PLL_CNTL4, 0x0c8e0000);
hd_write_reg(P_HHI_HDMI_PLL_CNTL5, 0x001fa729);
hd_write_reg(P_HHI_HDMI_PLL_CNTL6, 0x01a31500);
hd_set_reg_bits(P_HHI_HDMI_PLL_CNTL, 0x1, 28, 1);
hd_set_reg_bits(P_HHI_HDMI_PLL_CNTL, 0x0, 28, 1);
WAIT_FOR_PLL_LOCKED(P_HHI_HDMI_PLL_CNTL);
pr_info(“HPLL: 0x%x\n”, hd_read_reg(P_HHI_HDMI_PLL_CNTL));
break;
case 3712500:
hd_write_reg(P_HHI_HDMI_PLL_CNTL, 0x4000029a);
hd_write_reg(P_HHI_HDMI_PLL_CNTL2, 0x800cb2c0);
hd_write_reg(P_HHI_HDMI_PLL_CNTL3, 0x860f30c4);
hd_write_reg(P_HHI_HDMI_PLL_CNTL4, 0x0c8e0000);

This file has been truncated. show original

But, what about #1 and #3

@Terry

1. How to add the configuration for custom resolution ?

   github.com

   khadas/linux/blob/Vim/drivers/amlogic/hdmi/hdmi_tx_20/hw/hw_clk.c#L567-L616

static struct hw_enc_clk_val_group setting_enc_clk_val = {
{{HDMI_720x480i60_16x9,
HDMI_720x576i50_16x9,
HDMI_VIC_END},
4320000, 4, 4, 1, VID_PLL_DIV_5, 1, 2, -1, 2},
{{HDMI_720x576p50_16x9,
HDMI_720x480p60_16x9,
HDMI_VIC_END},
4320000, 4, 4, 1, VID_PLL_DIV_5, 1, 2, 1, -1},
{{HDMI_1280x720p50_16x9,
HDMI_1280x720p60_16x9,
HDMI_VIC_END},
2970000, 4, 1, 1, VID_PLL_DIV_5, 1, 2, 1, -1},
{{HDMI_1920x1080i60_16x9,
HDMI_1920x1080i50_16x9,
HDMI_VIC_END},
2970000, 4, 1, 1, VID_PLL_DIV_5, 1, 2, 1, -1},
{{HDMI_1920x1080p60_16x9,
HDMI_1920x1080p50_16x9,
HDMI_VIC_END},

This file has been truncated. show original

@Terry

3. Is it necessary to reset the P_HHI_HDMI_PLL_CNTL3 register for custom resolution ?

   github.com

   khadas/linux/blob/Vim/drivers/amlogic/hdmi/hdmi_tx_20/hw/hw_clk.c#L281-L308

static void set_hpll_sspll(enum hdmi_vic vic)
{
switch (get_cpu_type()) {
case MESON_CPU_MAJOR_ID_GXBB:
break;
case MESON_CPU_MAJOR_ID_GXTVBB:
break;
case MESON_CPU_MAJOR_ID_GXL:
case MESON_CPU_MAJOR_ID_GXM:
switch (vic) {
case HDMI_1920x1080p60_16x9:
case HDMI_1920x1080p50_16x9:
hd_write_reg(P_HHI_HDMI_PLL_CNTL3, 0x868b48c4);
break;
case HDMI_1280x720p60_16x9:
case HDMI_1280x720p50_16x9:
case HDMI_1920x1080i60_16x9:
case HDMI_1920x1080i50_16x9:
hd_write_reg(P_HHI_HDMI_PLL_CNTL3, 0x864348c4);
break;

This file has been truncated. show original

[Terry]

@davemf

But, what about #1 and #3

terry:

How to add the configuration for custom resolution ?
github.com
khadas/linux/blob/Vim/drivers/amlogic/hdmi/hdmi_tx_20/hw/hw_clk.c#L567-L616

static struct hw_enc_clk_val_group setting_enc_clk_val = {
{{HDMI_720x480i60_16x9,
HDMI_720x576i50_16x9,
HDMI_VIC_END},
4320000, 4, 4, 1, VID_PLL_DIV_5, 1, 2, -1, 2},
{{HDMI_720x576p50_16x9,
HDMI_720x480p60_16x9,
HDMI_VIC_END},
4320000, 4, 4, 1, VID_PLL_DIV_5, 1, 2, 1, -1},
{{HDMI_1280x720p50_16x9,
HDMI_1280x720p60_16x9,
HDMI_VIC_END},
2970000, 4, 1, 1, VID_PLL_DIV_5, 1, 2, 1, -1},
{{HDMI_1920x1080i60_16x9,
HDMI_1920x1080i50_16x9,

The below code can answer the question

+	/* pll setting for VESA modes */
+	{{HDMIV_640x480p60hz, /* 4.028G / 16 = 251.75M */
+	  HDMI_VIC_END},
+		4028000, 4, 4, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_800x480p60hz,
+	  HDMI_VIC_END},
+		4761600, 4, 4, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_800x600p60hz,
+	  HDMI_VIC_END},
+		3200000, 4, 2, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1024x600p60hz,
+	  HDMI_VIC_END},
+		4115866, 4, 2, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1024x768p60hz,
+	  HDMI_VIC_END},
+		5200000, 4, 2, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1280x768p60hz,
+	  HDMI_VIC_END},
+		3180000, 4, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1280x800p60hz,
+	  HDMI_VIC_END},
+		5680000, 4, 2, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1152x864p75hz,
+	  HDMIV_1280x960p60hz,
+	  HDMIV_1280x1024p60hz,
+	  HDMIV_1600x900p60hz,
+	  HDMI_VIC_END},
+		4320000, 4, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1600x1200p60hz,
+	  HDMI_VIC_END},
+		3240000, 2, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1360x768p60hz,
+	  HDMIV_1366x768p60hz,
+	  HDMI_VIC_END},
+		3420000, 4, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1400x1050p60hz,
+	  HDMI_VIC_END},
+		4870000, 4, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1440x900p60hz,
+	  HDMI_VIC_END},
+		4260000, 4, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1680x1050p60hz,
+	  HDMI_VIC_END},
+		5850000, 4, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_1920x1200p60hz,
+	  HDMI_VIC_END},
+		3865000, 2, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},
+	{{HDMIV_2560x1600p60hz,
+	  HDMI_VIC_END},
+		3485000, 1, 1, 1, VID_PLL_DIV_5, 2, 1, 1, -1},

@davemf

Is it necessary to reset the P_HHI_HDMI_PLL_CNTL3 register for custom resolution ?
github.com
khadas/linux/blob/Vim/drivers/amlogic/hdmi/hdmi_tx_20/hw/hw_clk.c#L281-L308

static void set_hpll_sspll(enum hdmi_vic vic)
{
switch (get_cpu_type()) {
case MESON_CPU_MAJOR_ID_GXBB:
break;
case MESON_CPU_MAJOR_ID_GXTVBB:
break;
case MESON_CPU_MAJOR_ID_GXL:
case MESON_CPU_MAJOR_ID_GXM:
switch (vic) {
case HDMI_1920x1080p60_16x9:
case HDMI_1920x1080p50_16x9:
hd_write_reg(P_HHI_HDMI_PLL_CNTL3, 0x868b48c4);
break;
case HDMI_1280x720p60_16x9:
case HDMI_1280x720p50_16x9:
case HDMI_1920x1080i60_16x9:
case HDMI_1920x1080i50_16x9:
hd_write_reg(P_HHI_HDMI_PLL_CNTL3, 0x864348c4);
break;
This file has been truncated. show original

It is included by HDMI_CLOCK.pdf

[kenny]

Hi,davemf:
I add some HDMI output resolutions supporting, but we don’t have so much monitor. Would you help me do some test for that list below? thx

•    "640x480p60hz",
  

•    "800x480p60hz",
  

•    "800x600p60hz",
  

•    "1024x600p60hz",
  

•    "1024x768p60hz",
  

•    "1280x800p60hz",
  

•    "1280x1024p60hz",
  

•    "1360x768p60hz",
  

•    "1366x768p60hz",
  

•    "1440x900p60hz",
  

•    "1600x900p60hz",
  

•    "1680x1050p60hz",
  

•    "1920x1200p60hz"
  

Test image download:

Vim_Nougat_V170629_HDMI_Test

$ md5sum Vim_Nougat_V170629_HDMI_Test.7z
e4c9ff14b673a01c1768b98fc585645c Vim_Nougat_V170629_HDMI_Test.7z

[Terry]

Hi,davemf

@kenny

Test image download:

mediafire.com

Vim_Nougat_V170629_HDMI_Test.7z

MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.

$ md5sum Vim_Nougat_V170629_HDMI_Test.7z
e4c9ff14b673a01c1768b98fc585645c Vim_Nougat_V170629_HDMI_Test.7z

Can you try to flash the firmware and give us some feedbacks?
Thanks very much!

[lTzXl]

Hello. Can you provide source code patches for self compilation?
Thx.

[kenny]

Hi lTzXl:

Here is the HDMI patch,just for test, if any question please feedback here.

• nougat_common.tar
  this patch local at: your-project-path/nougat/common/

• nougat_packages_apps_TvSettings.tar
  this patch local at: your-project-path/nougat/packages/apps/TvSettings/

@xmsaf @davemf

MediaFire

[davemf]

Hi, terry & kenny.
I was on vacation.

I’ll test it…

[qaz22]

I have a Philips 298X4QJAB 29 X-Line Monitor
Resolution 2560x1080
On give me the modified file with that resolution i can test it
I am willing to test ubuntu

[TomasFilip]

Hi Kenny,

when I’m saw pop-up that thread, I’m quickly make some test with ROM

The “native” HDMI resolutions like 1080p, 720p (finally ) either 480p is working. So I’m see progress here, because 720p, 480p not well working either previous advices was applied.

unfortunatelly non of the 640x480, 800x480, 800x600, 1024x600 is working for me. Try either native HDMI cable or HDMI-DVI cable. Others resolutions isn’t avalaible in my monitors, it’s system finally use EDID info?