http://bugzilla.opensuse.org/show_bug.cgi?id=1140581 Bug ID: 1140581 Summary: Raspberry pi touchscreen unusable Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: aarch64 OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: X.Org Assignee: xorg-maintainer-bugs@forge.provo.novell.com Reporter: vatprc_cyq@outlook.com QA Contact: xorg-maintainer-bugs@forge.provo.novell.com Found By: --- Blocker: --- I have a WaveShare 3.5in GPIO RPi LCD(A),According wiki: HCL:Raspberry Pi3 LCD follow steps modified extraconfig.txt added dtoverlay=rpi-display ,but at reboot,the touchscreen is Blank screen only,but backlight is on. Run dmesg|grep screen output: suse-pi:~ # dmesg |grep screen [ 28.907749] ads7846 spi0.1: touchscreen, irq 79 [ 28.908498] input: ADS7846 Touchscreen as /devices/platform/soc/3f204000.spi/spi_master/spi0/spi0.1/input/input0 It show kernel is identified the touchscreen,but no display output. output: dmesg|grep gpu [ 29.844885] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4]) [ 29.845227] vc4-drm soc:gpu: bound 3f806000.vec (ops vc4_vec_ops [vc4]) [ 29.845467] vc4-drm soc:gpu: bound 3f004000.txp (ops vc4_txp_ops [vc4]) [ 29.845586] vc4-drm soc:gpu: bound 3f400000.hvs (ops vc4_hvs_ops [vc4]) [ 29.846304] vc4-drm soc:gpu: bound 3f206000.pixelvalve (ops vc4_crtc_ops [vc4]) [ 29.846992] vc4-drm soc:gpu: bound 3f207000.pixelvalve (ops vc4_crtc_ops [vc4]) [ 29.847685] vc4-drm soc:gpu: bound 3f807000.pixelvalve (ops vc4_crtc_ops [vc4]) [ 29.871458] vc4-drm soc:gpu: bound 3fc00000.v3d (ops vc4_v3d_ops [vc4]) [ 29.874539] [drm] Initialized vc4 0.0.0 20140616 for soc:gpu on minor 0 [ 29.939148] vc4-drm soc:gpu: fb0: DRM emulated frame buffer device -- You are receiving this mail because: You are on the CC list for the bug.