On Mon, Nov 08, 2021 at 01:48:24PM +0100, Thomas Zimmermann wrote: > Hi > > Am 08.11.21 um 13:15 schrieb Javier Martinez Canillas: > > The nomodeset kernel command line parameter is not documented. Its name > > is quite vague and is not intuitive what's the behaviour when it is set. > > > > Document in kernel-parameters.txt what actually happens when nomodeset > > is used. That way, users could know if they want to enable this option. > > > > Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> > > --- > > > > (no changes since v1) > > > > Documentation/admin-guide/kernel-parameters.txt | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git Documentation/admin-guide/kernel-parameters.txt Documentation/admin-guide/kernel-parameters.txt > > index 91ba391f9b32..ed9859fd0734 100644 > > --- Documentation/admin-guide/kernel-parameters.txt > > +++ Documentation/admin-guide/kernel-parameters.txt > > @@ -3521,6 +3521,10 @@ > > shutdown the other cpus. Instead use the REBOOT_VECTOR > > irq. > > + nomodeset Disable kernel modesetting. DRM drivers will not be > > + loaded when this kernel boot parameter is used. The > > + simpledrm driver is the only DRM driver that loads. > > + > > That's misleading and to the general admin it might not be clear what > simpledrm is about. Rather say something like > > Disable kernel modesetting. DRM drivers will not perform > display-mode changes or accelerated rendering. Only the > system framebuffer will be available for use. Requires the > firmware or boot loader to setup the display. Useful as > fallback, or for testing and debugging. Yeah I think that's much clearer. With that wording: Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > Best regards > Thomas > > > nomodule Disable module load > > nopat [X86] Disable PAT (page attribute table extension of > > > > -- > Thomas Zimmermann > Graphics Driver Developer > SUSE Software Solutions Germany GmbH > Maxfeldstr. 5, 90409 Nürnberg, Germany > (HRB 36809, AG Nürnberg) > Geschäftsführer: Ivo Totev -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
