On Mon, May 04, 2020 at 02:35:08PM +0800, Jian-Hong Pan wrote: > Maxime Ripard <maxime@xxxxxxxxxx> 於 2020年4月29日 週三 上午12:21寫道： > > > > Hi, > > > > On Mon, Apr 27, 2020 at 03:23:42PM +0800, Jian-Hong Pan wrote: > > > Hi Maxime, > > > > > > Thanks for your V2 patch series! I'm testing it. > > > > > > This patch series is applied upon mainline kernel 5.7-rc2 cleanly and built. > > > System can boot into console text mode, but no graphic UI. > > > > > > Get the error in vc5_hdmi_phy_init(), and full dmesg is at [1]: > > > > > > [ 5.587543] vc4_hdmi fef00700.hdmi: Unknown register ID 46 > > > [ 5.587700] debugfs: Directory 'fef00700.hdmi' with parent 'vc4-hdmi' already present! > > > [ 5.588070] vc4_hdmi fef00700.hdmi: vc4-hdmi-hifi <-> fef00700.hdmi mapping ok > > > [ 5.588076] vc4_hdmi fef00700.hdmi: ASoC: no DMI vendor name! > > > [ 5.588263] vc4-drm gpu: bound fef00700.hdmi (ops vc4_hdmi_ops) > > > [ 5.588299] vc4_hdmi fef05700.hdmi: Unknown register ID 46 > > > [ 5.588373] debugfs: Directory 'vc4-hdmi' with parent 'asoc' already present! > > > [ 5.588673] vc4_hdmi fef05700.hdmi: vc4-hdmi-hifi <-> fef05700.hdmi mapping ok > > > [ 5.588677] vc4_hdmi fef05700.hdmi: ASoC: no DMI vendor name! > > > [ 5.588809] vc4-drm gpu: bound fef05700.hdmi (ops vc4_hdmi_ops) > > > [ 5.588854] vc4-drm gpu: bound fe806000.vec (ops vc4_vec_ops) > > > [ 5.588897] vc4-drm gpu: bound fe004000.txp (ops vc4_txp_ops) > > > [ 5.588934] vc4-drm gpu: bound fe400000.hvs (ops vc4_hvs_ops) > > > [ 5.588990] vc4-drm gpu: bound fe206000.pixelvalve (ops vc4_crtc_ops) > > > [ 5.589030] vc4-drm gpu: bound fe207000.pixelvalve (ops vc4_crtc_ops) > > > [ 5.589074] vc4-drm gpu: bound fe20a000.pixelvalve (ops vc4_crtc_ops) > > > [ 5.589106] vc4-drm gpu: bound fe216000.pixelvalve (ops vc4_crtc_ops) > > > [ 5.589145] vc4-drm gpu: bound fec12000.pixelvalve (ops vc4_crtc_ops) > > > [ 5.589294] checking generic (3e513000 6d8c00) vs hw (0 ffffffffffffffff) > > > [ 5.589297] fb0: switching to vc4drmfb from simple > > > [ 5.589433] Console: switching to colour dummy device 80x25 > > > [ 5.589481] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > > > [ 5.589816] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 0 > > > [ 5.601079] ------------[ cut here ]------------ > > > [ 5.601095] WARNING: CPU: 2 PID: 127 at drivers/gpu/drm/vc4/vc4_hdmi_phy.c:413 vc5_hdmi_phy_init+0x7ac/0x2078 > > > [ 5.601097] Modules linked in: > > > [ 5.601103] CPU: 2 PID: 127 Comm: kworker/2:1 Not tainted 5.7.0-rc2-00091-ga181df59a930 #7 > > > [ 5.601105] Hardware name: Raspberry Pi 4 Model B (DT) > > > [ 5.601112] Workqueue: events deferred_probe_work_func > > > [ 5.601116] pstate: 20000005 (nzCv daif -PAN -UAO) > > > [ 5.601119] pc : vc5_hdmi_phy_init+0x7ac/0x2078 > > > [ 5.601123] lr : vc4_hdmi_encoder_enable+0x1b8/0x1ac0 > > > [ 5.601124] sp : ffff80001217b410 > > > [ 5.601126] x29: ffff80001217b410 x28: ffff0000ec6370f0 > > > [ 5.601129] x27: ffff0000f650d400 x26: 000000008a500000 > > > [ 5.601132] x25: ffff8000113b4ac0 x24: 0000000000002060 > > > [ 5.601135] x23: 000000000a500000 x22: 0000000000000300 > > > [ 5.601137] x21: 0000000008d9ee20 x20: ffff0000ec535080 > > > [ 5.601140] x19: 000000010989e7c0 x18: 0000000000000000 > > > [ 5.601142] x17: 0000000000000001 x16: 0000000000005207 > > > [ 5.601145] x15: 00004932ad293c92 x14: 0000000000000137 > > > [ 5.601147] x13: ffff800010015000 x12: 0000000000000001 > > > [ 5.601150] x11: 0000000000000001 x10: 0000000000000000 > > > [ 5.601152] x9 : 0000000000000000 x8 : ffff800010015038 > > > [ 5.601154] x7 : 0000000000000001 x6 : ffff80001217b368 > > > [ 5.601157] x5 : 0000000000000000 x4 : 000000000000004c > > > [ 5.601159] x3 : 0000000000000000 x2 : ffff8000113b4ac0 > > > [ 5.601162] x1 : ffff8000120c5f44 x0 : 00000000dc8984ff > > > [ 5.601164] Call trace: > > > [ 5.601169] vc5_hdmi_phy_init+0x7ac/0x2078 > > > [ 5.601172] vc4_hdmi_encoder_enable+0x1b8/0x1ac0 > > > [ 5.601176] drm_atomic_helper_commit_modeset_enables+0x224/0x248 > > > [ 5.601179] vc4_atomic_complete_commit+0x400/0x558 > > > [ 5.601182] vc4_atomic_commit+0x1e0/0x200 > > > [ 5.601185] drm_atomic_commit+0x4c/0x60 > > > [ 5.601190] drm_client_modeset_commit_atomic.isra.0+0x17c/0x238 > > > [ 5.601192] drm_client_modeset_commit_locked+0x5c/0x198 > > > [ 5.601195] drm_client_modeset_commit+0x30/0x58 > > > [ 5.601201] drm_fb_helper_restore_fbdev_mode_unlocked+0x78/0xe0 > > > [ 5.601204] drm_fb_helper_set_par+0x30/0x68 > > > [ 5.601208] fbcon_init+0x3d4/0x598 > > > [ 5.601212] visual_init+0xb0/0x108 > > > [ 5.601214] do_bind_con_driver+0x1d0/0x3a8 > > > [ 5.601217] do_take_over_console+0x144/0x208 > > > [ 5.601219] do_fbcon_takeover+0x68/0xd8 > > > [ 5.601222] fbcon_fb_registered+0x100/0x118 > > > [ 5.601226] register_framebuffer+0x1f4/0x338 > > > [ 5.601229] __drm_fb_helper_initial_config_and_unlock+0x2f8/0x4a0 > > > [ 5.601232] drm_fbdev_client_hotplug+0xd4/0x1b0 > > > [ 5.601235] drm_fbdev_generic_setup+0xb0/0x130 > > > [ 5.601238] vc4_drm_bind+0x184/0x1a0 > > > [ 5.601241] try_to_bring_up_master+0x168/0x1c8 > > > [ 5.601244] __component_add+0xa4/0x170 > > > [ 5.601246] component_add+0x14/0x20 > > > [ 5.601248] vc4_vec_dev_probe+0x20/0x30 > > > [ 5.601252] platform_drv_probe+0x54/0xa8 > > > [ 5.601254] really_probe+0xd8/0x320 > > > [ 5.601256] driver_probe_device+0x58/0xf0 > > > [ 5.601258] __device_attach_driver+0x84/0xc8 > > > [ 5.601263] bus_for_each_drv+0x78/0xc8 > > > [ 5.601265] __device_attach+0xe4/0x140 > > > [ 5.601267] device_initial_probe+0x14/0x20 > > > [ 5.601269] bus_probe_device+0x9c/0xa8 > > > [ 5.601271] deferred_probe_work_func+0x74/0xb0 > > > [ 5.601276] process_one_work+0x1bc/0x338 > > > [ 5.601279] worker_thread+0x1f8/0x428 > > > [ 5.601282] kthread+0x138/0x158 > > > [ 5.601286] ret_from_fork+0x10/0x1c > > > [ 5.601288] ---[ end trace cfba0996218c3f3d ]--- > > > > Thanks for testing! > > > > Do you have a bit more details regarding your setup? Was it connected to an > > external display? > > Yes, the HDMI cable is connected to HDMI0 port on RPi 4. > > > If so, do you know the resolution it was trying to setup? > > According to the log, I think it is 1920x1080: > Apr 27 15:37:25 endless gdm-Xorg-:0[1960]: (II) modeset(0): Output > HDMI-1 connected > Apr 27 15:37:25 endless gdm-Xorg-:0[1960]: (II) modeset(0): Output > HDMI-2 disconnected > Apr 27 15:37:25 endless gdm-Xorg-:0[1960]: (II) modeset(0): Output > Composite-1 disconnected > Apr 27 15:37:25 endless gdm-Xorg-:0[1960]: (II) modeset(0): Using > exact sizes for initial modes > Apr 27 15:37:25 endless gdm-Xorg-:0[1960]: (II) modeset(0): Output > HDMI-1 using initial mode 1920x1080 +0+0 > > https://gist.github.com/starnight/45e1468bfa0426a54d2fb4a9269cfb94 It looks to be fairly standard then, and I'm testing on the same resolution so it should be alright. Given from your log, it looks like you're running as arm64 though, while I stuck with arm32, so it could be the explanation. Can you share your config.txt and .config so that I can try to reproduce it here? Thanks! Maxime
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