CM9 devs and users attention please! Severe clipping in CM9 based ROMS - Galaxy Note GT-N7000 General

I have installed Paranoid Android on my Note and noticed that there is severe clipping in the CM9 UI elements. Even the default ICS wallpaper , the one with the"rainbow" coloing stripes show severe clipping on the lockscreen. It looks just plain ugly. And since most of the CM9 UI backgrounds are a shade of grey, there is severe clipping of these grey elements to a purplish pixellation and to black. You can notice this if you take the settings page in Paranoid android or any other CM9 based ROM (assuming most CM9 based ROMS have the same default theme) Look under the status bar where the grey background fades to black and you may notice severe pixellation like issues at that area. Now, go to advanced, screen settings and MDNIE mode, you will notice that the clipping keeps changing when changing modes but its still there in every screen mode.
How many of you are experiencing this? Assuming a majority of the people who run Custom ROMS run a CM9 based ROM, why isnt this issue reported anywhere? I'm asking because, the issue is plainly visible in these grey areas and UI elements making the visual experience really bad. And why is Gamma Control disabled in these CM9 kernels? I believe lowering the gamma would solve the problem.
I've noticed that CM9 kernels have the worst clipping whereas in other stock based kernels, the clipping is comparitively lower, closer to the stock kernels.
So once again users of CM9, please do report if you face this issue.
CM9 users please report back because I havent seen anybody talking about this issue in any of the CM9 related ROMS thread. People seem to ignore an issue which stares back right at the face even in ambient lighting. Why havent this been reported?
I dont have much idea about who develops CM9 kernels for the note. How can we contact the CM9 developers and let them know of this issue and request to enable Gamma Control within the kernel?
Somebody please help me out here. Because its been a month after I bought my note and I've been struggling and doing my best to find a solution to this horrible clipping. I had got in touch with GSMArena and got this issue published, yet Samsung never responded, I tried kernel after kernel and realised that the intensity of the issue varies from kernel to kernel. I've seen that whomever I ask about the clipping in this forum says they have it but then everyone seems to be happy running different ROMS and in these CM9 based ROMs which look as close to stock Google ICS UI have severe clipping all over the UI and yet people dont seem to bother.
So what can I conclude from this? Is this an isolated issue or are all of you Note users who have this issue just keeping silent and living with it?
I do not mean to spoil anybody's peace or anything. I clearly dont know how to get in touch with the CM9 devs for the Note, somebody help me if possible. And if you feel that this is an isolated issue, do let me know otherwise. Because, when the basic UI shows severe clipping, the whole user experience is spoiled and nobody wants to live in fear with bright UI elements and bright wallpapers dreading the clipping if anything at all has to be dark. We paid a premium for this device and even Samsung seems to ignore. I have the SGS3 and there is no clipping on it but just that everything seems darker on the GS3 when compared to the Note. This alone shows that Gamma is a culprit here and I could just sell away my Note and just live with the GS3. But that doesn't help anybody who is facing this issue and wants to see a solution. Even I personally like the note more than the GS3 and I want to keep it but for this issue. Not everybody has the money to jump to the next flagship every now and then and for the people who spent their money on the Note doesn't have to "live with it" just because they decided to buy it without knowing such an issue existed. Not every store lets you try and trial their devices before buying them.
Samsung has even seemed to ignore the EMMC issue even after claiming they are "working on it" I dont see anything productive from Samsung's side as even a device which was previously unaffected had the affected kernels pushed to it via an update. So basically if it was not for people like Entropy who works day and night for that issue, Samsung could keep replacing motherboards for every random wipe a user does. They basically want to sell the note until the Note 2 and then this wouldn't be their problem anymore. Problems like the emmc bug is a MISTAKE from Samsung's part and they should be ready to repair devices even beyond warranty as the user may have only done the most harmless thing, i.e to reset the device to factory settings.
So, coming back to topic, how do we get in touch with the CM9 devs and enable gamma control on these ROMs? Most ROMS have gamma control under MDNIE settings which is greyed out, most probably because the kernel doesnt support it. This is the best I can do for the people who are affected by the clipping issue as I'm not a developer. This issue isnt an isolated case in my opinion and affects every Note I've got a chance to see.

It might help if you actually posted requests in the cm9 discussion thread? #commonsense

Seriously after reading TS long posts still*cannot figure out his problem
please post shots to show your issues
I have been using CM9 roms since build 2 and do not seem to notice such issues or maybe i am blind ?

mobile88 said:
Seriously after reading TS long posts still*cannot figure out his problem
please post shots to show your issues
I have been using CM9 roms since build 2 and do not seem to notice such issues or maybe i am blind ?
Click to expand...
Click to collapse
Yeah. OP is TL;DR complaining about some "severe" issue I've never seen and no one else has.
As to gamma control being disabled - I should remove that from the settings app, as that's something supported by the I9100/I777 display driver but not ours.

Entropy512 said:
Yeah. OP is TL;DR complaining about some "severe" issue I've never seen and no one else has.
As to gamma control being disabled - I should remove that from the settings app, as that's something supported by the I9100/I777 display driver but not ours.
Click to expand...
Click to collapse
Oops..I'm sorry for the long post. Its basically about the severe "black clipping" which has been affecting the Note since release. This issue is best seen when displaying dark shadows in images and videos. There were many threads discussing this issue. And GSMArena had published this issue in their news after I mailed them about the same.
What I wanted to tell was, I feel this is caused by the Note's screen having the gamma cranked up quite high and I believe lowering the gamma would resolve this issue.
The default CM9 theme shows severe clipping in backgrounds and UI elements. All the grey backgrounds, (the default theme) clip to black just below the status bar.
Even all the videos which have dark shadows are totally blocky due to this and the clipping makes them literally unwatchable.
I had reported this issue to GSMArena
http://www.gsmarena.com/samsung_galaxy_note_plagued_by_display_issues-news-4513.php
I wanted the Gamma Control feature which is presently disabled to be enabled in the CM9 kernels so that we can tune down the Gamma to eliminate this clipping
The same issues existed on the GNexus and was fixed with the Lean Kernel which had Gamma Tuning.
So once again, in short, I'm talking about the "Black clipping\crush" on the Note when displaying darker shades of colours.

All the notes have this problem, and we need to access to gamma control but as supercurio said it won't solve all the problems of the black clipping and banding issues
Sent from my GT-N7000 using xda premium

Satishp, i know what are you talking about. Just take a picture of your note and post it here. Of course, you won't use a screenshot feature but a camera.
I sold my note bc of the black clipping issue, but now I cannot buy an s3 or HoX cause their screens are just to small, that is, narrow. Gonna buy Note again and hope some solution will come out. It is too bad to buy a phone for its screen and get a crappy quality. Issue on s3 is solved with lowered gamma. Comparing with the Note, s3 has much darker screen. Sometimes too much.

Entropy512 said:
Yeah. OP is TL;DR complaining about some "severe" issue I've never seen and no one else has.
As to gamma control being disabled - I should remove that from the settings app, as that's something supported by the I9100/I777 display driver but not ours.
Click to expand...
Click to collapse
It's a very real issue affecting EVERY Note, derp

NotablyNice said:
It's a very real issue affecting EVERY Note, derp
Click to expand...
Click to collapse
http://www.gsmarena.com/samsung_galaxy_note_plagued_by_display_issues-news-4513.php

Huh?
Everytime I turn my screen on I smile at how awesome it is..Hell it seems even better now that I have been using cm10 but i think thats just because its brightness seems to be overall set higher.

MrDSL said:
Huh?
Everytime I turn my screen on I smile at how awesome it is..Hell it seems even better now that I have been using cm10 but i think thats just because its brightness seems to be overall set higher.
Click to expand...
Click to collapse
Same. I don't often stare at my phone from a distance of 3cm to see any imperfections.
Sent from my GT-N7000 using xda premium

All of the speculation and misinformation of this issue is really starting to get frustrating. First, the issue IS with the hardware. It may be possible to reduce it's impact using software but the fact remains this is a hardware issue. How do I know? I have replaced my Note's screen and the newer screen I have isn't as good as the old one.
The new one isn't awful, it simply isn't as good as the other.
2nd point - everyone will have this issue. It is simply an inherent problem with the screen hardware and it is completely implausible that there are 1 or 2 'perfect' screens out there. There will simply be variations. Some people WILL have better screens than others. For some people the issue may be completely unnoticeable and for others it will be glaringly obvious. Don't judge or hate on people because their screen is worse than yours and vice versa.
3rd the issue is MORE noticeable at lower brightness values than high brightness values. If you have your note on higher brightness values then you're unlikely to notice it. In my case, I can not see any clipping if I am in a lit room. The only time I can see it is when I'm sat in the dark with very low brightness. As I said above this will vary from person to person.
I have attached 2 photos below. One is a normal exposure where you can see the clipping is hard to see. Another is a long exposure which amplifies the issue more and makes it more noticeable (I used a longer exposure on my camera to show this). Fortunately it isn't so bad for me, but for some people my long exposure image is the reality unfortunately.
Standard: http://i48.tinypic.com/4uxnia.jpg
Long Exposure: http://i48.tinypic.com/5akew3.jpg
Why have we got a clipping problem and can software solve it? I believe it is highly unlikely that this issue can be solvable. I also think the issue stems from one simple shortcoming to the screen; the minimum brightness achievable per pixel. The problem is the jump from this minimum brightness to the 'off' (perfectly black) pixel is too great. There is no transition. Can gamma control solve this? I'm not convinced. I think the issue is more to do with what the lowest pixel brightness the screen is capable of. For the poorer people this minimum brightness will be quite bright. For others the minimum brightness will be lower.
If any devs know of a way of controlling pixel brightness on a level where it can be noticeably changed and if it is possible to reduce this minimum brightness then sure, it would certainly be a possibility. But I don't think this is possible.

Part of this might be a limitation of the HD Pentile AMOLED technology. But if you notice, both the Galaxy Nexus and the Galaxy S3 share the same technology. For people who argue that the S3 uses a different manufacturing procedure, Samsung has no where mentioned this and its just an assumption.
The GNexus had the same issue but was solved with the LEAN kernel which implemented a gamma control within the kernel. If you've seen the S3's screen ( I own an S3 too, So I've spent a good time comparing), you will notice that the S3's screen is visibly darker than the Note's screen. Images tend to look darker and this shows that the S3's screen has its gamma set to a lower value which eliminates the clipping.
More proof for you, lets take the gammatest image and view it on our PC. Most PCs use an LCD display and still you can see the greys gradually fading to black.
Now increase the gamma of your display from your display adapter's color settings and view the same image again. You will see that you can see all the way upto 1 and then black just like how the image is displayed by the note.
http://forum.xda-developers.com/showthread.php?t=1800117
Now view a 720p or 1080p clip on your PC with the gamma values still high, you will see the clipping in every dark scene. Try it yourself.
This shows that gamma calibration can correct the issue to atleast some extent.

Hmm. There appears to be truth in what you say. Unfortunately the Note is lacking somewhat in the developer department. And the few devs there are have other pressing issues to deal with so the question becomes who can implement gamma control on the Note?

MrDSL said:
Huh?
Everytime I turn my screen on I smile at how awesome it is..Hell it seems even better now that I have been using cm10 but i think thats just because its brightness seems to be overall set higher.
Click to expand...
Click to collapse
Yup. Despite being pentile, compared to my I9100/I777 the screen is even more gorgeous.
I'm on minimum brightness nearly all the time. No clipping issues whatsoever.

MrDSL said:
Huh?
Everytime I turn my screen on I smile at how awesome it is..Hell it seems even better now that I have been using cm10 but i think thats just because its brightness seems to be overall set higher.
Click to expand...
Click to collapse
Yup, and it's even better when you switch the screen mode to "Dynamic" (Advanced Settings).
Sent from my GT-N7000 using xda premium

I have the clipping regardless of which mode I put it in, apart from the clipping the screen is mint, which makes me even more pissed off when I watch a movie and a dark scene comes on, then the shade between black and grey turns into a lego block mess. I really cant beleive so many people are happy with it, half of u guys must be blind, I exchanged my Note twice, tested my cousins and my bosses Notes, all have the exact same problem. I even bluetoothed the gamma test image to a few in carphone warehouse , same with them, even the samsung rep I spoke to over the phone said the one they have in the office also has the issue. Total crap imo, Samsung total FAIL.

Entropy512 said:
Yup. Despite being pentile, compared to my I9100/I777 the screen is even more gorgeous.
I'm on minimum brightness nearly all the time. No clipping issues whatsoever.
Click to expand...
Click to collapse
Actually use your Note and go watch a dark movie... It's there

NotablyNice said:
Actually use your Note and go watch a dark movie... It's there
Click to expand...
Click to collapse
I've watched plenty of dark movies... As good as if not better than my I9100/I777.

Entropy512 said:
I've watched plenty of dark movies... As good as if not better than my I9100/I777.
Click to expand...
Click to collapse
Please take a picture if your note displaying the gamma test image (blocks numbered 1 to 20) with stock gallery app in a dark room, screen mode dynamic, max brightnes with auto adjust switched off, I bet number 4 is light grey, then number 3 is black, if so your device has black clipping. There should be no abrupt drop from grey to black, it should be a gentle fade.
Thanks.

Related

Kernel makers, please add the ability to adjust auto brightness.

Please add the option of modifying auto-brightness levels, like CM 6.1. I suppose that it would require a kernel modification + an app to do this through gui.
Thanks.
What can CM do? I've been thinking it would be nice to be able to modify the min and max, and maybe the curve.
Thread moved to General.
Noxious Ninja said:
What can CM do? I've been thinking it would be nice to be able to modify the min and max, and maybe the curve.
Click to expand...
Click to collapse
It allows one to arbitrarily edit a table of sensor output vs brightness/button brightness.
It's really nifty.
CM6.1 reports these sensor values:
10, 160, 225, 320, 640, 1280, 2600, 10240
10-160 is in dimly lit indoors, 320-640-1280, in moderately to brightly lit indoors, and the rest is outside.
So I set those to brightness something like 50,60,70,80, 110, 140, 180, 255. A it was perfect to my eye. Not too bright, not too dim.
Didn't ever have to mess with brightness after that.
I'd really like to hear from developers like Netarchy and King, as well as from regular users - if they would like that option.
I would love to see this.
I always feel the auto-sensor tends to be too bright, and never adjusts the screen low enough inside.
rdwing said:
I would love to see this.
I always feel the auto-sensor tends to be too bright, and never adjusts the screen low enough inside.
Click to expand...
Click to collapse
That's exactly what I think. Plus, the brightness is not at maximum in direct sunlight (although that might be a safety feature).
Mine always send to bright, or it won't get bright when I go into a bright area until I sleep and wake it. :|
Sent from my EVO 4Gizzle.
+1 on this. So motivated that I searched for this thread....
Any news?
-----------
The stock auto-brightness is way too bright in completely darkness. This is one of the things I had on my list nearly since the beginning. Nobody else seemed to care.
http://forum.xda-developers.com/showthread.php?t=716547
An article showing how useless auto-brightness is:
http://gizmodo.com/5673444/why-exis...d-brightness-controls-are-effectively-useless
Do people not notice this or do they just not care?
Pretty sure people have given up on this. It's taken me three days of Google searching to find this thread so people probably don't know where to turn.
The lack of adjustments to the auto brightness values is extremely annoying. Even my old Windows mobile 6 phones had this ability.
AdamN said:
Pretty sure people have given up on this. It's taken me three days of Google searching to find this thread so people probably don't know where to turn.
The lack of adjustments to the auto brightness values is extremely annoying. Even my old Windows mobile 6 phones had this ability.
Click to expand...
Click to collapse
There was an application for WM I used to use on my Mogul, cant remember what it was called but it allowed you to calibrate the auto brightness levels. Anyone know what I'm talking about, or if there's an Android version?
This can be done with Tasker in the Market. Its a powerful app and there was a thread a while back about this exact thing. I don't remember what it was called, but I posted in it, so you could browse my posts from a month or so ago.
Hey... This thing makes phone calls too!

SNote sucks

First the brightness issue,
Now that I actually tried to use it for a extended period, I'm finding my palm always hits the edge and moves the scrollbars
I had a tablet pc many years ago that provides a much better note taking experience
Cool Story Bro
Mine is awesome.
Sent from my GT-I9300 using Tapatalk 2
dtziheucdavis said:
I'm finding my palm always hits the edge and moves the scrollbars
Click to expand...
Click to collapse
Poor Samsung. First, everyone *****ed about the panning box they used to allow you to move through a note you're working on. Then, they changed it and replaced it with a scroll bar and people are *****ing about that too. I don't know which version of S-Note you're on but in the version included in JB with "only recognize the S-Pen" enabled it's really really hard to inadvertantly hit the scroll bars so maybe that'll solve your problem. As for the brightness being ramped up in S-Note I get the logic and it shows how much they think about how people use their devices and apps. If you think about, since the Note's a drawing device, people could be using it at any angle and in any position. Disabling auto-brightness kind of makes sense so that the screen doesn't fade in and out if someone's hand is over the ambient light sensor. Oh well, you can't please all the people all the time.
"version included in JB"
Jelly Bean? I thought the US Note 10.1 were still in ICS
dtziheucdavis said:
"version included in JB"
Jelly Bean? I thought the US Note 10.1 were still in ICS
Click to expand...
Click to collapse
Doesn't mean that you can't flash another rom...
I don't use autobrightness so it changing the levels drives me absolutely nuts. E.g. I'm working in a dark room so have the level turned down to what suits me best. I open snoteb and up it goes. I turn it back down manually, jump to another app for a moment for whatever reason, say to read some info in a pdf, switch back to snote and, bam, blinded again.
There's a reason why autobrightness can be toggled on and off, and one app ignoring that convention is infuriating.
actually if you use autobrightness, the brightness levels still change
"Disabling auto-brightness kind of makes sense so that the screen doesn't fade in and out if someone's hand is over the ambient light sensor. Oh well, you can't please all the people all the time."
If this is the case, then there are definitely better solutions than the one Samsung implemented. For example, putting a timer on the ambient light sensor so it doesn't react to accidentally being covered up. If it's only briefly covered up, the brightness won't change. If it's really in a dark room and sensing low light with no interruption for say 1 minute, then change the brightness.
So, it's hard to believe that Samsung would make SNote change the brightness autmoatically as a "feature". Samsung makes great products, but we dont have to idolize them the way that iOS Sheep idolize Apple.
dtziheucdavis said:
So, it's hard to believe that Samsung would make SNote change the brightness autmoatically as a "feature".
Click to expand...
Click to collapse
OK, since we know it wasn't done accidentally, care to take a more reasoned guess as to why they did it?
Samsung makes great products, but we dont have to idolize them the way that iOS Sheep idolize Apple.
Click to expand...
Click to collapse
If you're referring to me I chose the Teg3 One X over the SGS3 and am very happy with my choice. Here's a demonstration of my lack of idolization. In JB, putting the multiview selector to the right of the more important and more often used "settings" selector wasn't very well thought out from a usability perspective.
S-Note turning up the brightness works fine for me and I kind of like it since auto-brightness tends to be on the dim side normally. I'd probably like it less if I frequently took notes in a dark room which I don't. I don't assume everyone uses their device like I do so I certainly wouldn't invoke my opinion of a feature on others.
This is why I use lecture notes.
There is no brightness ISSUE.
They increase brightness on purpose to make drawing more precise.
You can never satisfy everyone....
Can someone share the apk of the first version with no bars?
Sent from my GT-N8000 using xda app-developers app
bsilvino said:
Can someone share the apk of the first version with no bars?
Click to expand...
Click to collapse
You can't upgrade or downgrade S-Note with just the single APK. There are supporting files that have to be changed along with it. When PDF import was borked on some versions of S-Note folks tried to update it with a newer version of the APK alone and it failed.
Actualy, I did the backup with titaniun but when I tried to restore now I am getting FC. Any idea how can I fix it then?
Sent from my GT-N8000 using xda app-developers app
legion1911 said:
There is no brightness ISSUE.
They increase brightness on purpose to make drawing more precise.
You can never satisfy everyone....
Click to expand...
Click to collapse
Yes they can, they can let us make up our own mind as to what level of brightness we want, the same as we do with every other app. Why bother having a brightness setting at all if that's the case, just get rid of it entirely as they know better.

Gpad screen gamma is too low

Some of you may have noticed it's difficult to watch dark scenes in movies on the gpad. I think the problem is the gamma calibration, you can see it clearly on the pictures I took.
https://imageshack.com/i/nf96iaj
On the top you can see my nexus 7 2013, you can differentiate all the shades of grey from 1% white to 100%.
On the gpad, everything is solid black from 1% to 12% of white.
You can find the original image here : http://imageshack.us/f/594/6291.png/
How low can you go, on your gpad, before the grey melts with the black ?
Do you know an app to apply gamma correction ?
Here you can see the same picture on the N7 and the gpad. You can't even distinguish the guy's ear on the g pad.
https://imageshack.com/i/f563trj
bobo69 said:
Some of you may have noticed it's difficult to watch dark scenes in movies on the gpad. I think the problem is the gamma calibration, you can see it clearly on the pictures I took.
https://imageshack.com/i/nf96iaj
On the top you can see my nexus 7 2013, you can differentiate all the shades of grey from 1% white to 100%.
On the gpad, everything is solid black from 1% to 12% of white.
You can find the original image here : http://imageshack.us/f/594/6291.png/
How low can you go, on your gpad, before the grey melts with the black ?
Do you know an app to apply gamma correction ?
Here you can see the same picture on the N7 and the gpad. You can't even distinguish the guy's ear on the g pad.
https://imageshack.com/i/f563trj
Click to expand...
Click to collapse
I see the difference, and I knew it was there already also.. I'm sorry, but apparently gamma is not something that is doable. - I was looking to link you the app from market called "Screen Adjuster", however you want to look at this description, especially the last sentence. ;/
- dimming the screen 15-100% (below minimum system brightness)
- screen color and a contrast adjustment
- system brightness 0-100% adjustment
- functional widget (on/off, system brightness, settings)
- autorun option
Some phones have a color tint screen. This app have a possibility to try to improve colors on this kind of the screen by setting an additional factor RGB.*
The range of the dimmer is from 15% to 100% (it allows to dim the screen below a min system brightness value). Make a relief for your eyes during a nightly reading.
Furthermore, you can change fast the system brightness too.
The additional contrast factor can try to make the reading or a picture viewing more comfortable on some screens.*
The widget provides fast on/off service with a shortcuts to the Adjuster settings and the system brightness settings.
The application has the autorun option which works with the dimmer set above 22% (for the safety).
Note
A gamma adjustment is not possible to do.
You can of course try and download the app anyways and see if contrast or brightness will do anything for ya.
- In case you do download the app, remember that setting contrast low will result in problems with installing apps, as in you cannot hit Install, only cancel. To avoid this, open up Screen Adjuster and turn it off, install the app and turn it back on afterwards. It's something about lowering the settings to lower than what is "intended", I don't quite understand it and I find it rather odd. But it let's you install apps.. So I guess hooray.
That's all I got.
CuraeL said:
I see the difference, and I knew it was there already also.. I'm sorry, but apparently gamma is not something that is doable. - I was looking to link you the app from market called "Screen Adjuster", however you want to look at this description, especially the last sentence. ;/
That's all I got.
Click to expand...
Click to collapse
Thank you for your response, but I'm already using screen adjuster. I set the contrast at -25 and it helps a lot to see dark details.
Unfortunately, it has two side effects :
- it brightens the dark shades of grey, but also the black levels.
- I noticed that the contrast setting also affects the white making it look like light grey.
So the contrast setting in screen adjuster doesn't affects only the dark tones like it would on a monitor or a tv, it affects the contrast ratio.
I've found apps to make gamma adustment but it only works on some devices with custom kernel.
https://play.google.com/store/apps/details?id=com.teamkang.fauxclock&hl=fr
- Gamma curve (Galaxy Nexus, Nexus 4, HTC One, Nexus 7 2013)
bobo69 said:
Thank you for your response, but I'm already using screen adjuster. I set the contrast at -25 and it helps a lot to see dark details.
Unfortunately, it has two side effects :
- it brightens the dark shades of grey, but also the black levels.
- I noticed that the contrast setting also affects the white making it look like light grey.
So the contrast setting in screen adjuster doesn't affects only the dark tones like it would on a monitor or a tv, it affects the contrast ratio.
I've found apps to make gamma adustment but it only works on some devices with custom kernel.
https://play.google.com/store/apps/details?id=com.teamkang.fauxclock&hl=fr
- Gamma curve (Galaxy Nexus, Nexus 4, HTC One, Nexus 7 2013)
Click to expand...
Click to collapse
Yea, I was about to say that gamma can be done but only on custom kernels. Lot of Nexus 5 stuff on the market. Apparently it's Google who locked the gamma settings completely down but only in 4.4.2. I guess it may work on stock LG Kernel since it's only 4.2.2? I'm afraid we'll have to wait for some kernel support for other roms. That would be awesome. I really hope for some Franco-kernel-glory on this device.
That's what I thought, we need to wait for custom kernels...I hope it will come soon, because it's so frustrating to have such a good screen with bad calibration !
People tends to complain too much about the warm white balance but the gamma calibration is far more concerning.
bobo69 said:
That's what I thought, we need to wait for custom kernels...I hope it will come soon, because it's so frustrating to have such a good screen with bad calibration !
People tends to complain too much about the warm white balance but the gamma calibration is far more concerning.
Click to expand...
Click to collapse
I hope @dalingrin can cook something up to address both. He said he was going to work on something.
joshuadjohnson22 said:
I hope @dalingrin can cook something up to address both. He said he was going to work on something.
Click to expand...
Click to collapse
Yes it would be great if he did , though he's done so much for us already.
Sent from my LG-V500 using XDA Premium 4 mobile app
I see someone had developed a nude kernel for our devices. I welder off they can add support for gamma adjustment
Sent from my LG-V500 using Tapatalk
I am pleased to say my new kernel BOB Kernel v2 has had the gamma corrected
My first post ever
YoungBobbie said:
I am pleased to say my new kernel BOB Kernel v2 has had the gamma corrected
Click to expand...
Click to collapse
Hi there Young Bobbie, I am new to posting on XDA so I couldn't post this in your kernel developer page. This is my first post on any forum page ever. First off, thank you very much for your hard work to make this kernel happen to correct gamma on the v500. I have been sitting on the fence whether to get the gpad, and if i would get the v500 or the v510. Was leaning toward the v510 because of Sleekmason's wonderful kernel work, but it's exciting that we have now have the same options available for the v500. I noticed this was working fully with the Malladus ROM. My question to you was whether or not this worked with stock LG ROM as well? Thank you again YoungBobbie and Sleekmason for your time and creations.
Sorry, just answered my own question. Guess it helps to read the very first line of the page (making fun of myself now ;-P) Thank you again YoungBobbie and sleekmason!!!
themorningwolf said:
Hi there Young Bobbie, I am new to posting on XDA so I couldn't post this in your kernel developer page. This is my first post on any forum page ever. First off, thank you very much for your hard work to make this kernel happen to correct gamma on the v500. I have been sitting on the fence whether to get the gpad, and if i would get the v500 or the v510. Was leaning toward the v510 because of Sleekmason's wonderful kernel work, but it's exciting that we have now have the same options available for the v500. I noticed this was working fully with the Malladus ROM. My question to you was whether or not this worked with stock LG ROM as well? Thank you again YoungBobbie and Sleekmason for your time and creations.
Sorry, just answered my own question. Guess it helps to read the very first line of the page (making fun of myself now ;-P) Thank you again YoungBobbie and sleekmason!!!
Click to expand...
Click to collapse
Gald to have helped would you be willing to try the kernel for the stock LG ROM?
Please take a look at the images below and compare
The tablet on the right is running my kernel and the left stock
You can see the differences on the first image as the deepness of the blacks
and on the second the highlights on the white
I just about to get this tablet, then i so this problem... ?
Sent from Note 3 Superphone!
Bob2702 said:
Gald to have helped would you be willing to try the kernel for the stock LG ROM?
Click to expand...
Click to collapse
Be happy to. Have to acquire the device first, which will be in a matter of a week or 2

Let's figure out how to remove the sharpening.

So I saw this in the build prop
"qualcomm sensors enable
#
# LGE CHANGE_S, 2013-10-29, [email protected]
# below sensor is default true by HAL source.
#ro.qualcomm.sensors.qmd=true
#ro.qc.sdk.sensors.gestures=true
#ro.qualcomm.sensors.pedometer=true
#ro.qc.sensors.step_detector=true
#ro.qc.sensors.step_counter=true
#ro.qualcomm.sensors.pam=true
#ro.qualcomm.sensors.scrn_ortn=true
#ro.qualcomm.sensors.smd=true
#ro.qualcomm.sensors.game_rv=true
#ro.qualcomm.sensors.georv=true
# LGE CHANGE_E, 2013-10-29, [email protected]"
Not sure if anything there can help, but I know that the sharpening is applied when there's something light on a dark background or vice versa and also if you have any type of floating menu it'll sharpen everything in the background.
Samsung does this as well but as far as I know only in multi window mode.
Its not a screen issue as its not always apparent. And as far as I know the oppo find 7 has the same panel and doesn't exhibit these effects.
So anyone have any ideas?
Kernel related ?
Display drivers?
Maybe we should all email lg and ask them for an option to remove it.
Just fyi oppo use japan display inc panel while lg use their own panel
I think the only way to defeat the sharpening is with a custom kernel and possibly an app to tweak the display unless LG of course turn this 'feature' off in the future themselves via an OTA update.
daleski75 said:
I think the only way to defeat the sharpening is with a custom kernel and possibly an app to tweak the display unless LG of course turn this 'feature' off in the future themselves via an OTA update.
Click to expand...
Click to collapse
Hope they do. Its pointless.
So anyways I came across another thing.
If you tune the display with a kernel app as in colors. If you tune all the colors down and make the colors darker and such, everything will have the sharpening applied. So it seems like the software sees that and applies it to everything.
Hoping it's just kernel
Lostatsea23 said:
Hope they do. Its pointless.
So anyways I came across another thing.
If you tune the display with a kernel app as in colors. If you tune all the colors down and make the colors darker and such, everything will have the sharpening applied. So it seems like the software sees that and applies it to everything.
Hoping it's just kernel
Click to expand...
Click to collapse
I am just guessing as I am not a developer by any shape of the imagination but this sounds like it's built into the OS so possibly a tweak to prevent this behaviour from getting triggered which will turn off the sharpening effect.
daleski75 said:
I am just guessing as I am not a developer by any shape of the imagination but this sounds like it's built into the OS so possibly a tweak to prevent this behaviour from getting triggered which will turn off the sharpening effect.
Click to expand...
Click to collapse
Yes I think so. If someone can baksmali the ROM maybe they can find something. Id get in touch with a Dev but as this time it seems like no one owns the device.
Lostatsea23 said:
Yes I think so. If someone can baksmali the ROM maybe they can find something. Id get in touch with a Dev but as this time it seems like no one owns the device.
Click to expand...
Click to collapse
When it finally rolls out to the USA then I think it will get better dev support.
I'll have the device soon, but I'm not sure we're able to turn it off since it may be the part of the driver. Haven't done it yet, but if we can debug the running code and binary patch the trigger effect into not signaling, we may fix it. If it IS a trigger at all; e.g. we should find when it does signal the driver/gpu to apply sharpening and just switch code from JE to JNE or similar to kill the trigger and never apply it.
Theoretically.
Hopefully LG can turn it off and not a hardware combo issue with the 801 and this particular display tech.
It can be turned off. They purposely added it
Lostatsea23 said:
It can be turned off. They purposely added it
Click to expand...
Click to collapse
I wonder if anyone knows the purpose. Because any sane person would turn it off after seeing it in action.
toncij said:
I wonder if anyone knows the purpose. Because any sane person would turn it off after seeing it in action.
Click to expand...
Click to collapse
The purpose is either, they want to emphasize the need for it so they make things extra sharp over 1080p not realizing it actually looks worse when its sharpened. Or its because the contrast ratio is low so to do that they sharpened it in areas where it would be more noticeable to make it more legible. Again, doesn't really help.
On the galaxy phones it would produce this on multi window mode as stated and when putting a cm ROM on it you wouldn't get any of that since there's no window mode. But... If you go into screen settings and change the screen aliasing type or whatever, if you change from standard to reading mode it would make the display sharp exactly like we see on this one. So once we get kernel support for screen modes (cm adds modes such as movie mode and sharpness ect) then we should be fine.
Lostatsea23 said:
The purpose is either, they want to emphasize the need for it so they make things extra sharp over 1080p not realizing it actually looks worse when its sharpened. Or its because the contrast ratio is low so to do that they sharpened it in areas where it would be more noticeable to make it more legible. Again, doesn't really help.
On the galaxy phones it would produce this on multi window mode as stated and when putting a cm ROM on it you wouldn't get any of that since there's no window mode. But... If you go into screen settings and change the screen aliasing type or whatever, if you change from standard to reading mode it would make the display sharp exactly like we see on this one. So once we get kernel support for screen modes (cm adds modes such as movie mode and sharpness ect) then we should be fine.
Click to expand...
Click to collapse
Well, I don't believe a whole bunch of smart engineers, designers and such in dev and QA would not notice it sucks...
And for screen modes, after so much hassle, I hope and expect LG is preparing us a "turn bloody thing off" setting...
Well once it comes out in the states I will be contacting some devs about it. We need a boot loader unlock as well though
toncij said:
I wonder if anyone knows the purpose. Because any sane person would turn it off after seeing it in action.
Click to expand...
Click to collapse
Without seeing it in person, it probably was added to make their simple UI have more of a pop to it. They were probably trying to make it stand out more in stores, like how tvs usually have horrible settings when on display at a store.
flaring afro said:
Without seeing it in person, it probably was added to make their simple UI have more of a pop to it. They were probably trying to make it stand out more in stores, like how tvs usually have horrible settings when on display at a store.
Click to expand...
Click to collapse
They're dumb because it makes it look worse. In almost positive a fix will be found. If anything maybe the carrier releases will have this fixed already.
Guess what...
I installed bravia engine v3 from Android Tweaker 2 and...
I think my display is more clear and the sharpening is slightly gone!
You guys better try it and tell your impression
Sent from my LG-D855 using XDA Free mobile app
haris182 said:
Guess what...
I installed bravia engine v3 from Android Tweaker 2 and...
I think my display is more clear and the sharpening is slightly gone!
You guys better try it and tell your impression
Sent from my LG-D855 using XDA Free mobile app
Click to expand...
Click to collapse
Nope. Exactly the same. Placebo
Sugar pills taste so good
rushless said:
Sugar pills taste so good
Click to expand...
Click to collapse
Lol. If an update to remove this isn't out in the next couple weeks. Bye bye G3

Jelly effect while scrolling

N986u1 unlocked version bought directly from samsung and I'm having a jelly like effect on black and darker colors while scrolling. However if I increase the brightness it goes away. Is anyone else noticing this?
in all apps or just some?
Wasn't that one of the display issues reported on Snapdragon variants on dark colors while at low brightness? Search for the "green tint display bug" and see if it's similar...
Sent from nowhere over the air...
I searched for the issue. There's no jelly effect mentioned and I'm not having the green tint effect at all. Just jelly at low brightness
I am having that issue too, but only when dark mode is one. So I just turned off dark mode for now. Seems to fix it, although there still is some effect when scrolling, its not as bad with the dark mode turned on.
Try disabling animations completely in Developer Options?
That's one of the first things I do anyway.
b.st0ne said:
N986u1 unlocked version bought directly from samsung and I'm having a jelly like effect on black and darker colors while scrolling. However if I increase the brightness it goes away. Is anyone else noticing this?
Click to expand...
Click to collapse
b.st0ne said:
I searched for the issue. There's no jelly effect mentioned and I'm not having the green tint effect at all. Just jelly at low brightness
Click to expand...
Click to collapse
Did you restore a backup from another phone to your Note Ultra? If so a FDR should fix the issue. A lot of issues are being reported as bugs and they simply restored data from an old phone to the Note 20, not a good practice at all. Your new Note 20 should be set up from scratch.
Are you sure it's not oled black smearing? Can you record the issue you are having?
I get it on my Google feed quite often

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