[Kernel-packages] [Bug 1890418] Re: i915 does not expose vendor-specific extended HDMI timings/modes

2020-08-05 Thread Leo Ramakersuca
Daniel I successfully ran the dpkg process as you illustrated but it then failed to boot, so now I must manually selected the 5.4 version in order to get to this boot. Is there a way to reverse that? -- You received this bug notification because you are a member of Kernel Packages, which is subsc

[Kernel-packages] [Bug 1890418] Re: i915 does not expose vendor-specific extended HDMI timings/modes

2020-08-05 Thread Leo Ramakersuca
I found the information, at section 3.4 of the manual https://dlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PB287/PB287Q_English.pdf where VESA / IBM Modes Support Timing (DP/HDMI) reaches 4k but CEA-861 Formats Supported Timing (HDMI/MHL) only reach 1920 -- You received this bug notification because

[Kernel-packages] [Bug 1890418] Re: i915 does not expose vendor-specific extended HDMI timings/modes

2020-08-05 Thread Leo Ramakersuca
Regarding HDMI version the spec which I gave a link to claims; True Resolution : 3840x2160 at 60Hz (DisplayPort) ,3840x2160 at 30Hz (HDMI) Some while ago I was researching this issue and found a specification page on the ASUS website which showed two formats for declaring the frame rate, one exte

[Kernel-packages] [Bug 1890418] Re: i915 does not expose vendor-specific extended HDMI timings/modes

2020-08-05 Thread Leo Ramakersuca
Thanks for your work I just bought and tried a new 4K hdmi cable, with no change. I noticed that the monitor has TWO inputs, HDMI and HDMI/MHL (it had been plugged into HDMI) but switching this to HDMI/MHL gave no result. I am using MATE but the same issue occurs in several flavours of Ubuntu tha