Re: [PATCH] drm/bochs: Add screen blanking support

2021-04-21 Thread Gerd Hoffmann
> > However, a tricky part is that the QEMU vga code does treat VGA_ATT_IW > > register always as "flip-flop"; the first write is for index and the > > second write is for the data like palette. Meanwhile, in the current > > bochs DRM driver, the flip-flop wasn't considered, and it calls only > >

Re: [PATCH] drm/bochs: Add screen blanking support

2021-04-20 Thread Thomas Zimmermann
Hi Am 20.04.21 um 18:56 schrieb Takashi Iwai: On bochs DRM driver, the execution of "setterm --blank force" results in a frozen screen instead of a blank screen. It's due to the lack of the screen blanking support in its code. Actually, the QEMU bochs vga side can switch to the blanking mode