This attempts to wake up secondary framebuffer devices (/dev/fb1 and up) as usually these devices start powered off, and the FBIOPUT_VSCREENINFO ioctl turns it on. This was tested on a qemu system with the options:
-vga none -device VGA,id=video0 -device secondary-vga,id=video1 \ -device secondary-vga,id=video2 --- libweston/compositor-fbdev.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libweston/compositor-fbdev.c b/libweston/compositor-fbdev.c index 09a2eb39..74971c35 100644 --- a/libweston/compositor-fbdev.c +++ b/libweston/compositor-fbdev.c @@ -384,6 +384,14 @@ fbdev_frame_buffer_open(const char *fb_dev, return -1; } + /* Attempt to wake up the framebuffer device, needed for secondary + * framebuffer devices */ + if (fbdev_set_screen_info(fd, screen_info) < 0) { + weston_log("Failed to set mode settings. " + "Attempting to open output anyway.\n"); + } + + return fd; } -- 2.17.1 _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel