On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote: > On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > > > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote: > > > From: Rob Clark <robdclark@xxxxxxxxxxxx> > > > > > > Add a build option to disable modesetting support. This is useful in > > > cases where the guest only needs to use the GPU in a headless mode, or > > > (such as in the CrOS usage) window surfaces are proxied to a host > > > compositor. > > > > Why make that a compile time option? There is a config option for the > > number of scanouts (aka virtual displays) a device has. Just set that > > to zero (and fix the driver to not consider that configuration an > > error). > > The goal is to not advertise DRIVER_MODESET (and DRIVER_ATOMIC).. I > guess that could be done based on whether there are any scanouts, but > it would mean making the drm_driver struct non-const. dev.driver_features is a thing. -- Ville Syrjälä Intel
