On 28/02/2019 05:49, Gerd Hoffmann wrote: > Hi, > >> Right, at the moment all the MacOS driver does is parse the resolution list >> from the >> EDID and add them to the dropdown list - it doesn't support the xres and >> yres properties. > >> The main reason for this that OpenBIOS currently makes use of the -g XxYxD >> parameter >> to set up the display resolution and bit depth, and AFAICT we currently only >> have >> access to the X and Y resolutions via the EDID blob. So it's not clear >> whether EDID >> can completely replace the existing mechanism yet. > > EDID can only propagate x + y, not depth.
Right - my quick reading online was that there was very limited depth capability, and certainly nothing greater than 16-bit. Rather than duplicating these parameters, would it make sense to come up with a custom QEMU extension block to hold the extra depth information? ATB, Mark.
