On Tue, Mar 13, 2018 at 03:38:38PM +0100, Michel Dänzer wrote: > On 2018-03-13 03:28 PM, Ville Syrjala wrote: > > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > > > To make it possible for the core to check the fb pixel format and > > modifier, we need to first ask the driver to deduce the modifier > > when the request does not explicitly specify one. > > > > Add a new .fb_modifier() hook for that purpose and convert i915 > > and vc4 to make use if it. All other drivers seem to currently > > assume linear when the request does not specify anything else, > > [...] > > That's not true at least for the amdgpu and radeon drivers. The tiling > mode is communicated via BO metadata. Well, at least those driver don't do any bo tiling->modifier conversion. Radeon doesn't do modifiers I suppose, so that part is probably OK. amggpu might just be broken, not sure. -- Ville Syrjälä Intel OTC _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
