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none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On 1/4/22 8:14 AM, Stefan Blachmann wrote: > On 1/4/22, Warner Losh wrote: >> Not without loading the xorg graphics stuff... graphics chips from the last >> 15 or 20 years have lots of chip specific state that only the graphics >> stuff knows about... IIRC, it only knows about it because it put the >> graphics into a known state... it's the main reason laptops stopped >> suspending in the early 2000s... it looks to be a lot of work for a >> relatively rare use case... > > UEFI GOP seems to have the necessary functionalities > (https://wiki.osdev.org/GOP#Get_the_Current_Mode) so I guess the work > required would be limited (restore mode and redraw screen from > buffer). Wouldn't that stumble over drm based driver code? Assuming majority of users are using drm based X server and not efifb based one...