Database Users

Changing HDMI Resolution

I don't know about you guys, but my Ouya stays on 1080p all of the time. This would normally be great for most uses, but Mupen64plus is a tad laggy at 1080p. I'd rather play at 720p so things might be smoother.
I googled a bunch, but couldn't find much on how to force a manual resolution change (short of buying a 720p-only TV…not an option).
I did some digging of my own. Here's what I found:
In /sys/class/graphics/fb0 are several files I believe are related to HDMI output:
"cat mode" displays:
D:1920x1080p-60
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Click to collapse
"cat modes" displays:
D:1360x768p-60
D:1280x720p-60
D:640x480p-60
D:640x480p-72
D:640x480p-74
D:800x600p-59
D:800x600p-72
D:800x600p-74
D:1024x768p-60
D:1024x768p-70
D:1024x768p-74
D:720x480p-59
D:1920x1080p-60
D:1920x1080p-24
D:1920x1080p-30
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Click to collapse
I figured I would take a shot at changing the resolution to 720p. I performed the following as root:
echo "D:1280x720p-60" > mode
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When I ran the command, the screen went blank (at least it did something, lol).
I then tried to change back to D:1920x1080p60 with the following
echo "D:1920x1080p-60" > mode
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Click to collapse
The screen remained blank. I tried several other modes in the list 600p, 480p, 768p, but none worked. I set mode to D:1280x720p-60 and rebooted the Ouya. The console booted back up, but it was still in 1080p. I checked the mode file. It had reverted back to D:1920x1080p-60.
Hopefully this helps us get somewhere

I need this on my TV, I haven't checked what it's outputting thru adb(it's connected to comp atm) but it's oversizing when I first got the console. My guess is it's forcing 1080p on the TV.
Sent from my GT-P1000 using Tapatalk HD

I've got the same issue, there's really no reason to not have settings for this, it's really stupid :/

GizmoTheGreen said:
I've got the same issue, there's really no reason to not have settings for this, it's really stupid :/
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If it's just leaking a bit off the screen you need to go into your TV settings and adjust overscan. I've plug it into 2 1080 and 2 720 tvs and have had no issue besides that.

I have a cheap insignia tv with no overscan settings, only zoom, and even the best one doesn't show everything...

For years I didn't know my tv had it. Mine calls it "hd size" hidden 3 menus deep.
Size 2 is what I set it to
Sent from my SAMSUNG-SGH-I337 using xda app-developers app

FrostyWolf said:
If it's just leaking a bit off the screen you need to go into your TV settings and adjust overscan. I've plug it into 2 1080 and 2 720 tvs and have had no issue besides that.
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it's quite alot missing and my tv has no overscan settings. there was 16:9, 4:3, zoom 1 and zoom 2. neither helped any (zoom just made it worse)
it's a 1366x768 resolution tv but it obviously takes 1080p and scales it down (my ps3 works fine in 1080p!)
I'm hoping 720p output from the ouya would solve it.

GizmoTheGreen said:
it's quite alot missing and my tv has no overscan settings. there was 16:9, 4:3, zoom 1 and zoom 2. neither helped any (zoom just made it worse)
it's a 1366x768 resolution tv but it obviously takes 1080p and scales it down (my ps3 works fine in 1080p!)
I'm hoping 720p output from the ouya would solve it.
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Strange! I've tried in on a couple of monitors of various resolutions and sizes since my last post, but same on all of them, so I can't even replicate this to test options to fix it :/

FrostyWolf said:
Strange! I've tried in on a couple of monitors of various resolutions and sizes since my last post, but same on all of them, so I can't even replicate this to test options to fix it :/
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I seem to have slight more luck doing this:
1. echo 0 > /sys/class/graphics/fb0/device/enable
2. echo (videomodefrommodesfile) > /sys/class/graphics/fb0/mode
3 echo 1 > /sys/class/graphics/fb0/device/enable
atleast I get picture after doing this but it's the top half center of the screen only... :/

I don't have my ouya yet but try an app like anycut that allows you to make activity shortcuts. I used it on my htc evo 4g lte to make a shortcut that would change the screen resolution to 480p. Also maybe a build.prop edit would work.
Nope tested out anycut it's a no go

I intend to use this primarily on a 4:3 display, through a VGA adapter.
What sucks is that no matter what /sys/class/graphics/fb0/mode is set to (1280x1024 in my case), the Ouya insists on only using a 16:9 viewable area... restricting games like Towerfall and retro emulators to a little box in the middle of the screen.
Also, if 1080p or 720p modes are not read in the monitor EDID, it defaults to a letterboxed 640x480 which is even worse.
Heck the 360 supports 4:3 displays appropriately, even if the game doesn't. At least if the game has a 4:3 mode it can use it, and isn't forced into letterbox.

You can change resolutions using the activity manager command.
'am display-size'
eg.
am display-size 1920x1080
am display-size 1080x720
am display-size 720x480

That only changes the virtual size, not the actual displayed resolutions. So far nothing works to actually display at 1280x720 on ouya, whereas some android stick I have lets you just choose that resolution and works fine at the same monitor. With the ouya I'm stuck to 640x480, so I can't use with the screen I intended and have to buy a new screen now :/

GizmoTheGreen said:
1. echo 0 > /sys/class/graphics/fb0/device/enable
2. echo (videomodefrommodesfile) > /sys/class/graphics/fb0/mode
3 echo 1 > /sys/class/graphics/fb0/device/enable
Click to expand...
Click to collapse
That works to some extent for me, through my VGA adapter.
For example, if I echo D:1280x1024p-74 > /sys/class/graphics/fb0/mode
then I'll get a 1280x1024 screen on my 4:3 LCD, but with only a 16:9 play area.
Using am display-size 1280x1024 will crop it down to a 4:3 720p instead of filling out the rest of the screen.
At this point I'm not sure if I'm running into limitations on the ouya, or fighting the VGA adapter. Eventually this all does have to go through the VGA adapter as the display I'll be using has no DVI or HDMI input.
E: While connected directly to my LCD via HDMI->DVI, it's actually quite curious, if I set the resolution to 1024x768, and confirm on the monitor that it is receiving that res, I have a letterboxed 640x480 play area in the corner.
When I am display-size 1024x768, the play area SHRINKS further. I think this does not quite what we expect.

muriani said:
E: While connected directly to my LCD via HDMI->DVI, it's actually quite curious, if I set the resolution to 1024x768, and confirm on the monitor that it is receiving that res, I have a letterboxed 640x480 play area in the corner.
When I am display-size 1024x768, the play area SHRINKS further. I think this does not quite what we expect.
Click to expand...
Click to collapse
Same thing happens to me with HDMI-DVI into a widescreen monitor. Curious part is that none of the widescreen resolutions actually show up in the modes file. On the off chance, I tried echo D:1280x720p-60 > /sys/class/graphics/fb0/modes, but it didn't work.

TopherBarnett said:
Same thing happens to me with HDMI-DVI into a widescreen monitor. Curious part is that none of the widescreen resolutions actually show up in the modes file. On the off chance, I tried echo D:1280x720p-60 > /sys/class/graphics/fb0/modes, but it didn't work.
Click to expand...
Click to collapse
You have to use one of the modes listed in /sys/class/graphics/fb0/modes.
Also, echo it to /sys/class/graphics/fb0/mode, not modes.
Before you do, echo 0 > /sys/class/graphics/fb0/device/enable, echo your mode, and then echo 1 > /sys/class/graphics/fb0/device/enable
If your screen is still blank, try hitting a button on the controller.

muriani said:
You have to use one of the modes listed in /sys/class/graphics/fb0/modes.
Also, echo it to /sys/class/graphics/fb0/mode, not modes.
Before you do, echo 0 > /sys/class/graphics/fb0/device/enable, echo your mode, and then echo 1 > /sys/class/graphics/fb0/device/enable
If your screen is still blank, try hitting a button on the controller.
Click to expand...
Click to collapse
Sorry, should have been more clear. I did all that, I was just trying to see if I could add an extra resolution into the 'modes' with "echo D:1280x720p-60 > /sys/class/graphics/fb0/modes", then activate it in the 'mode' with "echo D:1280x720p-60 > /sys/class/graphics/fb0/mode". No luck.

Ah, no.
I may be way off, but from what I can tell the entries in modes are more like aliases to the stored monitor EDID settings.
Oddly enough, the -60 modes almost never worked for me. I tended to use -74 modes if they were available and those worked better.
Out of curiosity, what are the contents of your modes file?

muriani said:
Ah, no.
I may be way off, but from what I can tell the entries in modes are more like aliases to the stored monitor EDID settings.
Oddly enough, the -60 modes almost never worked for me. I tended to use -74 modes if they were available and those worked better.
Out of curiosity, what are the contents of your modes file?
Click to expand...
Click to collapse
D:640x480p-60
D:640x480p-74
D:800x600p-59
D:800x600p-74
D:1024x768p-60
D:1024x768p-74
D:1280x1024p-74
D:1280x1024p-59
D:1152x864p-74

...huh. And this is a widescreen monitor? Those are all 4:3/5:4 aspects.
Try D:1280x1024p-74 if you don't mind, and let me know what happens.
That's worked best for me, but with a 4:3 monitor. Not sure how it'll act on yours.
The only other option I can think of is one from the other thread - the HDMI switch with the EDID spoofer.

Resize screen

Is there any way to resize the screen very annoying that most apps stretch out of the screen..Not real Impressed with Google TV.Lacking a ton of features.Lack of Apps is total Garbage..

It sounds like you are asking if there are any options to compensate for the overscan your TV is applying.
You should have an option on your display to ensure the image is 1:1.

I will have to check..I noticed a lot of apps everything is stretched out past the screen very annoying..

your tv is doing that.

Had the same issues. LG TV by chance?
Go in and change the HDMI profile for your Shield on the TV. I had mine set for 16x9, but there was an option called "variable" or "fit" or something like that. Once I changed to that? Shield TV displays perfectly.

It's called overscan. This should allow you to fix the overscan issues of your TV, and the DPI issues to show more.
http://forum.xda-developers.com/android/apps-games/app-screen-shift-change-screen-t3138718

While we are talking about display issues does anyone know how to change the Shield TV to 3440*1440. I have a 34" LG 21:9 monitor wall mounted in my office but it will only output 1080p on it.

Pilz said:
While we are talking about display issues does anyone know how to change the Shield TV to 3440*1440. I have a 34" LG 21:9 monitor wall mounted in my office but it will only output 1080p on it.
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http://www.addictivetips.com/android/resolution-changer-for-android/
Android doesn't support 21:9, but that should get you a few more options.

kdb424 said:
http://www.addictivetips.com/android/resolution-changer-for-android/
Android doesn't support 21:9, but that should get you a few more options.
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Click to collapse
I though about that but I wasn't sure what dpi I should use plus my Shield TV won't flash SuperSU when I try in TWRP. Once I root it I'll give it a go

First you have to unlock the device with fastboot. It may erase all of your userdata when you do that. I suggest backing it up with TWRP before you unlock to an external SD or USB drive. I personally run anywhere between 160 and 200 depending on the application and screen size. I use an xposed module for per app dpi, though my global is 180 right now (the build.prop edit method). You can expariment with them depending on your screen. It's all up to you what you want.

I mean you are asking how you can resize your screen .plz clear your demand.

mohinipollob said:
I mean you are asking how you can resize your screen .plz clear your demand.
Click to expand...
Click to collapse
If you mean to make things display larger or smaller, like bigger or smaller text and icons, that's DPI settings.
If you mean things are shown off the screen, that's called overscan. Both were discussed here.

kdb424 said:
http://www.addictivetips.com/android/resolution-changer-for-android/
Android doesn't support 21:9, but that should get you a few more options.
Click to expand...
Click to collapse
How do we install that from Play since Play only shows Android TV apps?

Lower Resolution issues with Daydream VR

Alright, I'm reaching out to the community for help on this one. With the recent sale on Daydream VR (they're $50 from Google and Verizon right now), I have been trying to optimize my 6P with the VR set. I have tried some of the suggestions on the form, but I'm still having stuttering issues. So I had the idea about lowering the resolution. So I used the "wm size 1080x1920" trick and successfully dropped by resolution down, and adjusted the DPI accordingly. It runs well, however, when I put it in the VR set, the viewing angles are messed up. When I put the headset on, both eyes are not lined up with each other. I fiddled around with all the wm settings I could find (overscan, scaling, etc), and I can confirm that the viewing angle is messed up in the opposite direction when I set the size over 4k.
I used a Display Settings app to look at my settings, and it seems as though the device thinks the actual screen size is changing when I change the resolution, which may be why Daydream is maligning the eye points.
Is there a way to change the resolution while making the device think the screen size has stayed the same? Or is there a way to change this info just for Daydream?
If it's any encouragement, the Daydream apps ran very smoothly with one eye closed at 1080p. The Google Photos app stuttered at 4k but had no problem at 1080. So if we can figure this out, we could have a smoothly running Daydream setup.

razgriz8426 said:
Alright, I'm reaching out to the community for help on this one. With the recent sale on Daydream VR (they're $50 from Google and Verizon right now), I have been trying to optimize my 6P with the VR set. I have tried some of the suggestions on the form, but I'm still having stuttering issues. So I had the idea about lowering the resolution. So I used the "wm size 1080x1920" trick and successfully dropped by resolution down, and adjusted the DPI accordingly. It runs well, however, when I put it in the VR set, the viewing angles are messed up. When I put the headset on, both eyes are not lined up with each other. I fiddled around with all the wm settings I could find (overscan, scaling, etc), and I can confirm that the viewing angle is messed up in the opposite direction when I set the size over 4k.
I used a Display Settings app to look at my settings, and it seems as though the device thinks the actual screen size is changing when I change the resolution, which may be why Daydream is maligning the eye points.
Is there a way to change the resolution while making the device think the screen size has stayed the same? Or is there a way to change this info just for Daydream?
If it's any encouragement, the Daydream apps ran very smoothly with one eye closed at 1080p. The Google Photos app stuttered at 4k but had no problem at 1080. So if we can figure this out, we could have a smoothly running Daydream setup.
Click to expand...
Click to collapse
It's just a guess, but have you tried to edit the build.prop file in order to "mess around" with declared display density over there?

chk27 said:
It's just a guess, but have you tried to edit the build.prop file in order to "mess around" with declared display density over there?
Click to expand...
Click to collapse
Yes, I messed with any of the build.prop settings that dealt with display. I long ago gave up and now have an Axon 7. Good luck to anyone else trying it!

(Root) Always 4K Screen Resolution

When it comes to screen Sony definitely tops the list above other manufacturers but our Xperia Z5 Premium doesn't always use 4K HD Resolution Screen, only when watching 4k video or things right? so why not to make it work in always 4K mode? more pixels- more fun
Warning: Note that on high brightness battery usage will be much more than 1080p screen mode
it requires Rooted device also
1.Download Terminal Emulator from play store
2. open app and write "su" without quotes
3. give it root access and write " wm size 2160×3840 " also without quotes
Screen will became "ugly", to fix it now type "wm density 820" also without quotes. after that all should work fine, play any video and you'll notice color changes and much More improvements, however there's always a way back to 1080p
to do it
wm size 1080×1920
wm density 420
Don't forget to click Thanks Button

感谢楼主的分享，支持楼主！

Just thank you! It gave it a different and nice appearance but I noted two things. First the phone works a little slower and the other thing is when I tried to make a call the caller interface didn’t open so I was not able to make the normal functions like turning off the microphone, hanging up the call, etc. Unfortunately I had to put it back to 1080p.

you don't need root for this, you can do it with adb command though a pc without root
"adb shell wm size 2160×3840"
"adb shell wm density 820"
cheers

Elfmirth said:
you don't need root for this, you can do it with adb command though a pc without root
"adb shell wm size 2160×3840"
"adb shell wm density 820"
cheers
Click to expand...
Click to collapse
its really good

Zur75 said:
Just thank you! It gave it a different and nice appearance but I noted two things. First the phone works a little slower and the other thing is when I tried to make a call the caller interface didn’t open so I was not able to make the normal functions like turning off the microphone, hanging up the call, etc. Unfortunately I had to put it back to 1080p.
Click to expand...
Click to collapse
Is there any way to solve the problem for now?

HD2killers said:
Is there any way to solve the problem for now?
Click to expand...
Click to collapse
Hi Guys! I know you have lurking about that unutilized 4k screen of our phone, Why not enjoy "1440x2560" density of 534 works perfectly fine the only down side are glitchy looking start-up since it was designed to in 1080p and multi tasking has no thumbnails on it about it looks and feels good!
Just do
adb shell wm size 1440x2560
adb shell wm density 534 <-----------IMO this is the density, fonts looks smaller but legible.
ENJOY!

"You can do the same also on your Z1, Z2, Z3, Z4 Tablet, Z5, Z5 Compact ..... and on your crapold device, because this is not changing the display resolution
Seriously guys..... this is changing the resolution of the VIRTUAL display (not the physical one), so like this you are getting 4k emulation on 1080p physical resolution.
To change the physical display resolution you need to do "quite a few more steps", which cannot be done in a simple way like this (and surely not without root).
Moreover, even if -- yes, there is a way -- it's not doable on stock ROMs, as it misses the required implementation.
I am almost done here so, on Open Devices, you will be able to get real [email protected] whenever you want."
Copied from this discussion...

I wana buy Xperia Z5 Premium only for VR to watch 4K videos. Is still good? Can I play UHD 180° videos smooth, without any reboot with this mod?

hi does anyone have issues taking screenshots with these settings enabled? every screen shot says error app does not allow?

crusader0071 said:
hi does anyone have issues taking screenshots with these settings enabled? every screen shot says error app does not allow?
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I try resurrection os but disabled

4K option or forced 1080p?

Was wondering if this display shows native 4K all the time or has user selectable option for it?
Was super pissed with my XZ Premium being forced to render at 1080p in all but a few apps.
4K is only useful on this size screen for VR, so won't make the same mistake again.

gaijin1% said:
Was wondering if this display shows native 4K all the time or has user selectable option for it?
Was super pissed with my XZ Premium being forced to render at 1080p in all but a few apps.
4K is only useful on this size screen for VR, so won't make the same mistake again.
Click to expand...
Click to collapse
Forced 1080p but you could make the xz 4k all the time through adb look it up

ariy11 said:
Forced 1080p but you could make the xz 4k all the time through adb look it up
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Click to collapse
Thanks for the reply. You answered my question.
Actually, the adb method was only emulated 4K, not native. Still selected the resources from xxhdpi folders and blew them up. Doesn't even select the xxxhdpi higher resolution images for 2K. For the best I guess. then it would scale it down to 1080p before enlarging to 4K adding extra blur.

ariy11 said:
Forced 1080p but you could make the xz 4k all the time through adb look it up
Click to expand...
Click to collapse
What command in adb can force this screen resolution?

For the XZ Premium apparently the following would have worked:
In an ADB shell:
wm size 2160×3840
wm density 820
In my case the wb size command gives me:
Error: bad size 2160×3840
Probably we need another resolution

After change it to 4K, the screenshot have an issue ( not capturing the whole screen as 4k but the screen at a corner with other space in black. How do you guys solve this issue?

wm size 2160×3840
wm density 820
In my case the wb size command gives me:
Error: bad size 2160×3840
Try....2160x3840
Not ....2160*3840

I just placed my xz2p into native 4k mode with the dpi set at 640/xxxhdpi. I really like the increase in real estate and the integer scaling makes everything look crisp.
That said, I've currently got two hiccups (not already mentioned, I also have the screenshoting issue hereto described) related to dpi change:
(1) The monochrome viewfinder is behaving strangely, but still serviceable (wrong aspect ratio & tap to focus doesn't move the focus indicator)
(2) The rotation animation is really broken and is either firing twice or has some other timing related issue.
#1 I can live with, but #2 is a real drag. I've turned the transition animations off in the dev setting, but it still looks really weird when i rotate.
Any ideas? It seems like sony has made some additional changes to deal with the 4k/1080p pop in and out. Simply setting the WM mode doesn't appear to manipulate those hidden settings. Perhaps one of the on phone apps needs to be disabled?
Edit: https://forum.xda-developers.com/xz...20hz-quest-t3852052/post78603665#post78603665
...according to the xzp forums, its not actually 4k? how can one verify this?
Edit2: Saying things that will have me eating crow in no time!
I'm at least somewhat convinced the xzp peps are wrong. I have been swapping the phone from [email protected] dpi to [email protected] dpi. If they are correct either both would look exactly the same or the 4k version would look worse (because of the double scaling). It clearly looks better. A good test to try; make the icons and text as large as you can in nova launcher and switch between the two. If you look at the top and bottom of the dark ring inside the camera icon you'll see clear aliasing at 1080p and smooth curves at 4k. Just a reminder anything that is not a perfect multiple of 160 will always cause scaling on android. same with dpi values over 640.
I've got a pretty decent canon camera(xc10) with 10x optical zoom, once I find the charger for it I'm going to try to get some clean photos of the screen in the two mode and post 100% crops here.

blinksilver said:
I've got a pretty decent canon camera(xc10) with 10x optical zoom, once I find the charger for it I'm going to try to get some clean photos of the screen in the two mode and post 100% crops here.
Click to expand...
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Can you do that? Also a comparison of Instagram, or VSCO high quality photos?