On 7/6/22 10:13, Gerd Hoffmann wrote: > Hi, > >> Gerd, thank you very much! It's was indeed unclear to me how to test the >> MMIO GPU, but yours variant with microvm works! I was looking for trying >> aarch64 in the past, but it also was unclear how to do it since there is >> no DT support for the VirtIO-GPU, AFAICS. > > aarch64 uses acpi by default (can be disabled via 'qemu -no-acpi'). > Not fully sure about arm(v7). > > Even with DT it should work because DT only describes the virtio-mmio > 'slots', not the actual virtio devices. > >> There is no virgl support because it's a virtio-gpu-device and not >> virtio-gpu-device-gl that is PCI-only in Qemu. Hence everything seems good. > > It's named 'virtio-gpu-gl-device' Ah, thanks again! Just quickly tested virtio-gpu-gl-device and everything works too for MMIO GPU on microvm, including virgl and Xorg (glamor). [drm] features: +virgl +edid -resource_blob -host_visible [drm] features: -context_init [drm] number of scanouts: 1 [drm] number of cap sets: 2 [drm] cap set 0: id 1, max-version 1, max-size 308 [drm] cap set 1: id 2, max-version 2, max-size 696 [drm] Initialized virtio_gpu 0.1.0 0 for LNRO0005:01 on minor 0 virtio-mmio LNRO0005:01: [drm] drm_plane_enable_fb_damage_clips() not called -- Best regards, Dmitry
