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Hi, I just tested the latest drm-next branch on Freescale/NXP ls1021a-twr, and got some log below. And fsl-dcu not works. Since “drm-next” merged some branch , use git bisect had some problem , so I manually checked out that “fsl-dcu” works at d761701c55a99598477f3cb25c03d939a7711e74 And not works now. some log below: [drm] Initialized drm 1.1.0 20060810 panel supply power not found, using dummy regulator [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] No driver support for vblank timestamp query. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_atomic_helper.c:1106 drm_atomic_helper_wait_for_vblanks+0xff/0x124 [CRTC:24] vblank wait timed out Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc3+ #189 Hardware name: Freescale LS1021A [<80209a7b>] (unwind_backtrace) from [<8020755f>] (show_stack+0xb/0xc) [<8020755f>] (show_stack) from [<803676a3>] (dump_stack+0x5b/0x74) [<803676a3>] (dump_stack) from [<80211a37>] (__warn+0x87/0xb0) [<80211a37>] (__warn) from [<80211a7f>] (warn_slowpath_fmt+0x1f/0x28) [<80211a7f>] (warn_slowpath_fmt) from [<803ca887>] (drm_atomic_helper_wait_for_vblanks+0xff/0x124) [<803ca887>] (drm_atomic_helper_wait_for_vblanks) from [<803cb307>] (drm_atomic_helper_commit+0x43/0x5c) [<803cb307>] (drm_atomic_helper_commit) from [<803cbe51>] (restore_fbdev_mode+0xad/0x16e) [<803cbe51>] (restore_fbdev_mode) from [<803ccf4d>] (drm_fb_helper_restore_fbdev_mode_unlocked+0x19/0x44) [<803ccf4d>] (drm_fb_helper_restore_fbdev_mode_unlocked) from [<803ccf9d>] (drm_fb_helper_set_par+0x25/0x38) [<803ccf9d>] (drm_fb_helper_set_par) from [<80397451>] (fbcon_init+0x1fd/0x2c0) [<80397451>] (fbcon_init) from [<803b6051>] (visual_init+0x71/0xb4) [<803b6051>] (visual_init) from [<803b6f95>] (do_bind_con_driver+0x105/0x1e4) [<803b6f95>] (do_bind_con_driver) from [<803b7287>] (do_take_over_console+0xcf/0x108) [<803b7287>] (do_take_over_console) from [<80397549>] (do_fbcon_takeover+0x35/0x7c) [<80397549>] (do_fbcon_takeover) from [<802229db>] (notifier_call_chain+0x23/0x38) [<802229db>] (notifier_call_chain) from [<80222b63>] (__blocking_notifier_call_chain+0x27/0x36) [<80222b63>] (__blocking_notifier_call_chain) from [<80222b81>] (blocking_notifier_call_chain+0xf/0x14) [<80222b81>] (blocking_notifier_call_chain) from [<8039bdf9>] (register_framebuffer+0x179/0x1d0) [<8039bdf9>] (register_framebuffer) from [<803cd15f>] (drm_fb_helper_initial_config+0x1af/0x200) [<803cd15f>] (drm_fb_helper_initial_config) from [<803cd593>] (drm_fbdev_cma_init+0x67/0xa8) [<803cd593>] (drm_fbdev_cma_init) from [<803e2269>] (fsl_dcu_fbdev_init+0x11/0x14) [<803e2269>] (fsl_dcu_fbdev_init) from [<803e18eb>] (fsl_dcu_load+0x81/0xba) [<803e18eb>] (fsl_dcu_load) from [<803d2d51>] (drm_dev_register+0x3d/0x68) [<803d2d51>] (drm_dev_register) from [<803e1ab7>] (fsl_dcu_drm_probe+0x193/0x240) [<803e1ab7>] (fsl_dcu_drm_probe) from [<803e6d2d>] (platform_drv_probe+0x33/0x62) [<803e6d2d>] (platform_drv_probe) from [<803e5e7d>] (driver_probe_device+0xb9/0x1a4) [<803e5e7d>] (driver_probe_device) from [<803e5fad>] (__driver_attach+0x45/0x58) [<803e5fad>] (__driver_attach) from [<803e4eeb>] (bus_for_each_dev+0x3b/0x46) [<803e4eeb>] (bus_for_each_dev) from [<803e5897>] (bus_add_driver+0x7b/0x138) [<803e5897>] (bus_add_driver) from [<803e6469>] (driver_register+0x4b/0x76) [<803e6469>] (driver_register) from [<80201517>] (do_one_initcall+0xb3/0x138) [<80201517>] (do_one_initcall) from [<80800a61>] (kernel_init_freeable+0xd1/0x168) [<80800a61>] (kernel_init_freeable) from [<80558d13>] (kernel_init+0x7/0xb4) [<80558d13>] (kernel_init) from [<80205261>] (ret_from_fork+0x11/0x30) ---[ end trace b7946726c4e290c4 ]--- Console: switching to colour frame buffer device 60x34 fsl-dcu 2ce0000.dcu: fb0: frame buffer device [drm] Initialized fsl-dcu-drm 1.1.0 20160425 on minor 0 And full log in the attachment. does anybody have any idea about this? Best Regards, Meng Yi |
Attachment:
ls1021a-twr.log
Description: ls1021a-twr.log
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