root@am335x-evm:~# modetest trying to open device 'i915'...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'...done Encoders: id crtc type possible crtcs possible clones 25 24 LVDS 0x00000001 0x00000000 Connectors: id encoder status name size (mm) modes encoders 26 25 connected LVDS-1 0x0 1 25 modes: name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot) 800x600 60 800 840 968 1056 600 601 604 628 flags: phsync, pvsync; type: preferred, driver props: 1 EDID: flags: immutable blob blobs: value: 2 DPMS: flags: enum enums: On=0 Standby=1 Suspend=2 Off=3 value: 0 CRTCs: id fb pos size 24 32 (0,0) (800x600) 800x600 60 800 840 968 1056 600 601 604 628 flags: phsync, pvsync; type: preferred, driver props: Planes: id crtc fb CRTC x,y x,y gamma size possible crtcs 23 24 32 0,0 0,0 0 0x00000001 formats: XR24 AR24 props: 5 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 1 Frame buffers: id size pitch root@am335x-evm:~# ============================================================================================================================================================ root@am335x-evm:~# cat /var/log/weston.log Date: 2017-01-16 UTC [01:43:19.653] weston 1.9.0 http://wayland.freedesktop.org Bug reports to: https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=weston&version=1.9.0 Build: 1.8.93-2-gb05cdb8 configure.ac: bump to version 1.9.0 for the official release (2015-09-21 18:11:26 -0700) [01:43:19.653] OS: Linux, 4.4.19-rt25-gf572d285f0, #5 PREEMPT RT Thu Jan 5 11:24:05 CST 2017, armv7l [01:43:19.660] Using config file '/etc//weston.ini' [01:43:19.675] Loading module '/usr/lib/weston/drm-backend.so' [01:43:19.754] Output repaint window is 7 ms maximum. [01:43:19.754] initializing drm backend [01:43:19.799] using /dev/dri/card0 [01:43:19.812] Loading module '/usr/lib/weston/gl-renderer.so' failed to load module: /usr/lib/gbm/gbm_dri.so: cannot open shared object file: No such file or directory failed to load module: /usr/lib/gbm/gbm_gallium_drm.so: cannot open shared object file: No such file or directory loaded module : gbm_pvr.so found valid GBM backend : gbm_pvr.so [01:43:19.936] warning: either no EGL_EXT_platform_base support or specific platform support; falling back to eglGetDisplay. [01:43:19.994] warning: EGL_EXT_buffer_age not supported. Performance could be affected. [01:43:19.994] Retrieving EGL client extension string failed. [01:43:20.010] input device 'ti-tsc', /dev/input/event0 is tagged by udev as: Touchscreen [01:43:20.010] input device 'ti-tsc', /dev/input/event0 is a touch device [01:43:20.065] input device 'USB OPTICAL MOUSE ', /dev/input/event1 is tagged by udev as: Mouse [01:43:20.065] input device 'USB OPTICAL MOUSE ', /dev/input/event1 is a pointer caps [01:43:20.159] EGL version: 1.4 build 1.14@3699939 (MAIN) [01:43:20.159] EGL vendor: Imagination Technologies [01:43:20.159] EGL client APIs: OpenGL_ES [01:43:20.159] EGL extensions: EGL_IMG_client_api_ogl EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_vg_parent_image EGL_IMG_cl_image EGL_KHR_fence_sync EGL_IMG_context_priority EGL_IMG_hibernate_process EGL_IMG_image_plane_attribs EGL_KHR_surfaceless_context EGL_KHR_wait_sync EGL_KHR_create_context EGL_WL_bind_wayland_display [01:43:20.159] GL version: OpenGL ES 2.0 build 1.14@3699939 (MAIN) [01:43:20.159] GLSL version: OpenGL ES GLSL ES 1.00 build 1.14@3699939 (MAIN) [01:43:20.159] GL vendor: Imagination Technologies [01:43:20.159] GL renderer: PowerVR SGX 530 [01:43:20.159] GL extensions: GL_OES_rgb8_rgba8 GL_OES_depth24 GL_OES_vertex_half_float GL_OES_texture_float GL_OES_texture_half_float GL_OES_element_index_uint GL_OES_mapbuffer GL_OES_fragment_precision_high GL_OES_compressed_ETC1_RGB8_texture GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_required_internalformat GL_OES_depth_texture GL_OES_get_program_binary GL_OES_packed_depth_stencil GL_OES_standard_derivatives GL_OES_vertex_array_object GL_OES_egl_sync GL_OES_surfaceless_context GL_EXT_discard_framebuffer GL_EXT_blend_minmax GL_EXT_multi_draw_arrays GL_EXT_multisampled_render_to_texture GL_EXT_shader_texture_lod GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_IMG_shader_binary GL_IMG_texture_compression_pvrtc GL_IMG_texture_npot GL_IMG_texture_format_BGRA8888 GL_IMG_read_format GL_IMG_program_binary GL_IMG_uniform_buffer_object GL_IMG_multisampled_render_to_texture GL_KHR_debug [01:43:20.160] GL ES 2 renderer features: read-back format: RGBA wl_shm sub-image to texture: no EGL Wayland extension: yes [01:43:20.160] Chosen EGL config details: RGBA bits: 8 8 8 8 swap interval range: 1 - 1 [01:43:20.160] cursor buffers unavailable, using gl cursors [01:43:20.160] Failed to initialize backlight [01:43:20.162] Applying calibration: 0.991399 0.009865 -1.011108 0.007399 0.995098 -1.997589 (normalized -0.001264 -0.003329) [01:43:20.162] Output LVDS-1, (connector 26, crtc 24) mode 800x600@60.3, preferred, current mode 800x600@60.3, preferred [01:43:20.179] Compositor capabilities: arbitrary surface rotation: yes screen capture uses y-flip: yes presentation clock: CLOCK_MONOTONIC, id 1 [01:43:20.186] Loading module '/usr/lib/weston/desktop-shell.so' [01:43:20.193] launching '/usr/libexec/weston-keyboard' [01:43:20.206] launching '/usr/libexec/weston-desktop-shell' [01:43:20.562] Warning: computed repaint delay is insane: -24839 msec root@am335x-evm:~#