Enable DCI-P3 for OP3T with S6E3FA5 display panel

soccerwuedo5 · Jun 28, 2017

Update: Thanks to @MishaalRahman for the great summary article. More discussion there.
Update: Thanks to @GR0S for the app solution, available in this post
Update: Thanks to @doubleaykay for the magisk module, available in this post

I am no developer but I was researching the OP5 DCI-P3 calibration, saw that some international users were able to activate the calibration on their OP3T, and thought I would share what I have found so far. Long story short, this probably works if your device is a OP3T with the S6E3FA5 display panel, but not if your device is a OP3T with the S6E3FA3 display panel.

Note: I believe this changes the actual calibration for the "Default" selection in the display settings, but you will not see the name "Default" change to "DCI-P3"

Sources:

Procedure:

Find out if your display panel is compatible (looking for S6E3FA5)
Install AIDA64 and check Display > "Panel ID"

(optional) I also checked to see if the profiles were available on my OP3T running Oxygen OS Open Beta 9 using a file explorer.
Open Terminal Emulator on your phone and enter these two commands:
Code:
```
su
echo 1 > sys/devices/virtual/graphics/fb0/DCI_P3
```

The changes will revert to previous configuration on reboot, so this must be re-applied after reboot.

To revert changes

Open Terminal Emulator on your phone and enter these two commands:
Code:
```
su
echo 0 > sys/devices/virtual/graphics/fb0/DCI_P3
```

redsmith · Jun 28, 2017

I'm on VertexOS and DCI-P3 profile is not available in said location. Will flash OB9 and report back.

---------- Post added at 03:53 PM ---------- Previous post was at 03:20 PM ----------

It works perfectly, no need to reboot. Looks great, think I will keep it for a while.

twoxa · Jun 28, 2017

I have S6E3FA5. DCI-P3 file is available in it's location. Just tried on Freedom OS 4.1.6, and nothing. Phone switches back to sRGB after reboot... not sure how to actually confirm it's DCI-P3....

redsmith · Jun 28, 2017

twoxa said:
I have S6E3FA5. DCI-P3 file is available in it's location. Just tried on Freedom OS 4.1.6, and nothing. Phone switches back to sRGB after reboot... not sure how to actually confirm it's DCI-P3....

You can immediately see the difference in color after issuing the command on Terminal Emulator, especially if sRGB is enabled. DCI-P3 is a lot more colorful, but not quite as the default calibration, which is borderline psychodelic. The selected calibration will still read "sRGB" though, as this new standard isn't officialy included in OP3T software. And yes, after a reboot, calibration will return either to standard values, or sRGB.

twoxa · Jun 28, 2017

Yup got it now, thanks. Looks nice. Too bad it doesn't stick after reboot.

redsmith · Jun 28, 2017

twoxa said:
Yup got it now, thanks. Looks nice. Too bad it doesn't stick after reboot.

Yup, that's a shame. Nothing a quick script in Tasker can't fix, though.

soccerwuedo5 · Jun 28, 2017

redsmith said:
You can immediately see the difference in color after issuing the command on Terminal Emulator, especially if sRGB is enabled.

Cool, sounds like it works even if you don't select "Default" before running the commands. Thanks!

redsmith said:
It works perfectly, no need to reboot. Looks great, think I will keep it for a while.

twoxa said:
Phone switches back to sRGB after reboot...

redsmith said:
after a reboot, calibration will return either to standard values, or sRGB.

I'll update the instructions accordingly. Thanks!

Midomad · Jun 29, 2017

redsmith said:
Yup, that's a shame. Nothing a quick script in Tasker can't fix, though.

So i think it's useless for now!
Let's hope for a magisk module,maybe...

soccerwuedo5 · Jun 29, 2017

Still trying to see if there's a way to enable a setting to allow this to work on S6E3FA3 display panels.

Found this mention of a "OPScreenColorMode.java" configuration file on the OP3T but I can't find where that would be on the device.

I decompiled the Settings.apk and couldn't find the file, but I did see a mention of that synonym (as well as OPNightMode and OPReadingMode) inside "display_settings.xml":

Code:

<PreferenceScreen android:title="@string/oneplus_night_mode_enabled_op" android:key="oneplus_night_mode" android:fragment="com.oneplus.settings.better.OPNightMode" />
<PreferenceScreen android:title="@string/oneplus_reading_mode" android:key="oneplus_reading_mode" android:fragment="com.oneplus.settings.better.OPReadingMode" />
<PreferenceScreen android:title="@string/oneplus_screen_color_mode_title" android:key="screen_color_mode" android:fragment="com.oneplus.settings.better.OPScreenColorMode" />

Not sure where to go from here, though.

nicesoni_ash · Jun 29, 2017

soccerwuedo5 said:
Not sure where to go from here, though.

It won't be there on not supported devices as there is a condition to remove that preference as shown in your attached screenshot.

doubleaykay · Jun 29, 2017

Hi all,

I packaged this into a Magisk module for everyone to enjoy. It simply runs the provided command as part of the Magisk late_start service.

Here is a link to the GitHub repo: https://github.com/doubleaykay/DCI-P3_Enabler_OP3T. I have submitted it to the repo.

In the meantime, I have attached a zip you can install in Magisk.

I have tested it on my own device and it works perfectly!

Enjoy!

Edit: Yes, this allows it to persist through reboots!

soccerwuedo5 · Jun 29, 2017

nicesoni_ash said:
It won't be there on not supported devices as there is a condition to remove that preference as shown in your attached screenshot.

Thanks for taking a look! It seems the guys on OnePlusBBS have overridden that removal for compatible devices to add the menu items back in on the OP3T. It's over my head but maybe someone can replicate their efforts here.

GR0S · Jun 29, 2017

Root required
Will add srgb button tomorrow

vampire36 · Jun 29, 2017

GR0S said:
Root required
Will add srgb button tomorrow

I have an A3 display and I still see a change when using DCI-P3!

soccerwuedo5 · Jun 29, 2017

vampire36 said:
I have an A3 display and I still see a change when using DCI-P3!

That's awesome! I tried the app and saw no change but maybe there's some other variable involved.

Navi44 · Jun 29, 2017

Magisk module isn't working for me, but the command is

SpasilliumNexus · Jun 29, 2017

Navi44 said:
Magisk module isn't working for me, but the command is

You could at least be more specific and include OxygenOS version and Magisk version for him/her to compare. . .

BIGWORM · Jun 29, 2017

I have the A5 panel on my 3T, and magisk module isn't working for me. Currently running FreedomOS 2.11.2 with Blu_Spark kernel r151 and Magisk v13. Let me know if there's any other information I should add.

doubleaykay · Jun 29, 2017

tzbigworm said:
I have the A5 panel on my 3T, and magisk module isn't working for me. Currently running FreedomOS 2.11.2 with Blu_Spark kernel r151 and Magisk v13. Let me know if there's any other information I should add.

That is bizzare, maybe it's an issue with Magisk v13. Could you post your Magisk log?

I am using Magisk v12, the stable release, and it works perfectly fine for me.... odd.

Could we have more people test the Magisk module to make sure it works?

Incanity · Jun 29, 2017

GR0S said:
Root required
Will add srgb button tomorrow

This works like a charm! The colours take a bit of getting used to though.

Enable DCI-P3 for OP3T with S6E3FA5 display panel

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