On Mon, 2020-05-18 at 12:19 +0100, Emil Velikov wrote:
- attempted out-of-bound attempts to read the vbios
So on these things, the actual ROM doesn't contain what you want, but the device-tree has a property "NVDA,BMP" that contains some kind of mini-BIOS (around 2.4KB) which should contain the necessary tables the driver is looking for.
I think nouveau has code to find these in nvkm/subdev/bios/shadowof.c, so at least that should have been working, but maybe some debugging/instrumentation would be useful there.
Genuine concern or noise? Likely using the bios from open firmware, check any of the other options - see NvBios in [1]
- cannot figure out the timer input frequency
No idea
- the TV1 EDID is empty
Is there an actual TV connected to the device, check with another cable
Probaby not.
Regardless of the patches, reporting [2] the above would be a nice move.
Thanks Emil [1] https://nouveau.freedesktop.org/wiki/KernelModuleParameters/ [2] https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/-/issues