From f1ace6570d3d0c39cc253bcf6ee6b0e903ec96b9 Mon Sep 17 00:00:00 2001 From: Romain Naour Date: Tue, 7 Jul 2020 01:41:47 +0200 Subject: [PATCH] board/qemu/aarch64-virt/linux.config: enable VIRTIO_GPU driver This driver is intended to be used by mesa virgl Gallium on the guest. virtio-gpu is enabled by adding "-device virtio-gpu-pci" on the qemu command line. It's detected by lspci and dmesg log: $ lspci 00:01.0 Display controller: Red Hat, Inc. Virtio GPU (rev 01) $ dmesg virtio-pci 0000:00:01.0: enabling device (0000 -> 0002) [drm] pci: virtio-gpu-pci detected at 0000:00:01.0 [drm] virgl 3d acceleration not supported by host [drm] EDID support available. [TTM] Zone kernel: Available graphics memory: 51876 KiB [TTM] Initializing pool allocator [TTM] Initializing DMA pool allocator [drm] number of scanouts: 1 [drm] number of cap sets: 0 [drm] Initialized virtio_gpu 0.1.0 0 for virtio2 on minor 0 The framebuffer interface fb0 is now present in /dev $ ls /dev/fb* /dev/fb0 See: https://www.kraxel.org/blog/2019/09/display-devices-in-qemu/ https://at.projects.genivi.org/wiki/display/WIK4/GENIVI+Technical+Summit+Session+Content+2018?preview=%2F28412356%2F28412481%2F2018-10-11_GeniviBangalorTechSummit_Virtio_GPU.pdf Signed-off-by: Romain Naour Signed-off-by: Thomas Petazzoni --- board/qemu/aarch64-virt/linux.config | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/board/qemu/aarch64-virt/linux.config b/board/qemu/aarch64-virt/linux.config index 295bf19a7c..129a200ab0 100644 --- a/board/qemu/aarch64-virt/linux.config +++ b/board/qemu/aarch64-virt/linux.config @@ -40,14 +40,16 @@ CONFIG_DUMMY=y CONFIG_MACVLAN=y CONFIG_VIRTIO_NET=y CONFIG_NLMON=y -CONFIG_VT_HW_CONSOLE_BINDING=y CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_VIRTIO_CONSOLE=y CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_VIRTIO=y +CONFIG_DRM=y +CONFIG_DRM_VIRTIO_GPU=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PL031=y +CONFIG_VIRTIO_PCI=y CONFIG_VIRTIO_MMIO=y CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y CONFIG_MAILBOX=y -- 2.30.2