Emma Anholt

The dumb-vga-dac assumes that you have DDC for the modes, which vga666 won't get you. DRM also doesn't currently have a way to tell you the bus_format of the next...

Patch at https://lists.freedesktop.org/archives/dri-devel/2018-March/168920.html

Nope, you still need to write out your surface the same. Imagine going from one tile to its neighbor -- you're probably mostly reloading your texture cache because there's different...

What kernel are you using? Does the failing monitor not expose an EDID block? In general, when reporting display issues, you need drm.debug=0x1e on the kernel command line and to...

4.4 is ancient and I don't support it any more. Notably, it doesn't have HDMI HPD support on the pi3. Please update to the current supported branch (4.9) if you're...

Can we close this?

You've got a timeout on I2C. This may be your monitor being bad at I2C, or bcm2835-i2c being bad at I2C. I've got one fix laying around on the `bcm2835-i2c-clock-stretch`...

Oh, I hadn't pushed the rename of the branch. Yeah, should probably submit.

https://patchwork.kernel.org/patch/9148267/ was another i2c patch I wrote at one point

The delay patch should now be applied to the i2c tree, and it fixed EDID at least for Boris. https://patchwork.ozlabs.org/patch/870884/