On Thu, 2018-08-09 at 09:36 +0100, Chris Wilson wrote: > Quoting José Roberto de Souza (2018-08-09 01:15:48) > > num_pipes is set to 0 if disable_display is set inside > > intel_device_info_runtime_init() but when that happen PCH will > > already be set in intel_detect_pch(). > > One major thing missed is that if you disable the displays via > modparam, > you need to reap all the BIOS enabled displays and stolen memory that > conflict with our usage. (We ignore the conflict so that means the > BIOS > can write into memory we are using elsewhere.) The same bug exists > for > outputs we don't recover from the BIOS, which is a regression from > circa 3.2. I have a working in progress patch on top of this ones that complete power down all power wells, fixing this issue but for now you are right. > -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
