On Tue, Feb 21, 2017 at 06:40:25PM +0200, Jani Nikula wrote: > Sometimes it would be most enlightening to debug systems by replacing > the VBT to be used. For example, in the referenced bug the BIOS provides > different VBT depending on the boot mode (UEFI vs. legacy). It would be > interesting to try the failing boot mode with the VBT from the working > boot, and see if that makes a difference. > > Add a module parameter to load the VBT using the firmware loader, not > unlike the EDID firmware mechanism. What's the mechanism by which they would create a valid VBT file? Does cat /sys/kernel/debug/dri/0/i915_opregion > vbt.fw work and provide a starting point for corrections? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
