SDK：PROCESSOR-SDK-LINUX-RT-AM62X
Version: 08.06.00.42
参考文档modetest的使用：3.8.1. Introduction — Processor SDK AM62x Documentation
出现no device found，如下log信息：
root@AM62x-Tronlong:~# modetest [ 909.127193] PVR_K: 1292: RGX Firmware image 'rgx.fw.33.15.11.3' loaded [ 909.145917] PVR_K: 1292: Shader binary image 'rgx.sh.33.15.11.3' loaded trying to open device 'i915'...failed trying to open device 'amdgpu'...failed trying to open device 'radeon'...failed trying to open device 'nouveau'...failed trying to open device 'vmwgfx'...failed trying to open device 'omapdrm'...failed trying to open device 'exynos'...failed trying to open device 'tilcdc'...failed trying to open device 'msm'...failed trying to open device 'sti'...failed trying to open device 'tegra'...failed trying to open device 'imx-drm'...failed trying to open device 'rockchip'...failed trying to open device 'atmel-hlcdc'...failed trying to open device 'fsl-dcu-drm'...failed trying to open device 'vc4'...failed trying to open device 'virtio_gpu'...failed trying to open device 'mediatek'...failed trying to open device 'meson'...failed trying to open device 'pl111'...failed trying to open device 'stm'...failed trying to open device 'sun4i-drm'...failed trying to open device 'armada-drm'...failed no device found root@AM62x-Tronlong:~#
我的HDMI显示设备可以识别出来
root@AM62x-Tronlong:/sys/class/drm/card0-HDMI-A-1# ls device dpms edid enabled modes power status subsystem uevent root@AM62x-Tronlong:/sys/class/drm/card0-HDMI-A-1# cat modes 1920x1080 1920x1080 1920x1080 1920x1080 1680x1050 1600x900 1280x1024 1280x1024 1440x900 1280x800 ....
