CVS commit: src/sys/arch/arm/sunxi

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 11:25:25 UTC 2021

Modified Files:
        src/sys/arch/arm/sunxi: sunxi_fb.c

Log Message:
Defer call to drmfb_attach, otherwise we lock against ourselves

Mutex error: mutex_vector_enter,542: locking against myself

lockdebug_abort() at ffffffc0004ba3ec netbsd:lockdebug_abort+0xcc
mutex_enter() at ffffffc000476af4 netbsd:mutex_enter+0x3d4
drm_fb_helper_restore_fbdev_mode_unlocked() at ffffffc0003432a8
netbsd:drm_fb_helper_restore_fbdev_mode_unlocked+0x60
drmfb_genfb_setmode() at ffffffc00031c428
netbsd:drmfb_genfb_setmode+0x18
genfb_attach() at ffffffc000377b04 netbsd:genfb_attach+0x10c
drmfb_attach() at ffffffc00031c808 netbsd:drmfb_attach+0x1d0
sunxi_fb_attach() at ffffffc00005a648 netbsd:sunxi_fb_attach+0xd0
config_attach_loc() at ffffffc0004a7174 netbsd:config_attach_loc+0x184
config_found_sm_loc() at ffffffc0004a72a0
netbsd:config_found_sm_loc+0x58
sunxi_drm_fb_probe() at ffffffc00005a078 netbsd:sunxi_drm_fb_probe+0x250
__drm_fb_helper_initial_config_and_unlock() at ffffffc000342bdc
netbsd:__drm_fb_helper_initial_config_and_unlock+0x2a4
sunxi_drm_load() at ffffffc00005a384 netbsd:sunxi_drm_load+0x154
drm_dev_register() at ffffffc00033b728 netbsd:drm_dev_register+0xe0
sunxi_drm_init() at ffffffc000059d40 netbsd:sunxi_drm_init+0x20
config_process_deferred() at ffffffc0004a6efc
netbsd:config_process_deferred+0xac
config_attach_loc() at ffffffc0004a7190 netbsd:config_attach_loc+0x1a0
config_found_sm_loc() at ffffffc0004a72a0
netbsd:config_found_sm_loc+0x58
arm_fdt_attach() at ffffffc000061e34 netbsd:arm_fdt_attach+0x64
config_attach_loc() at ffffffc0004a7174 netbsd:config_attach_loc+0x184
cpu_configure() at ffffffc00005dab4 netbsd:cpu_configure+0x44
main() at ffffffc000605284 netbsd:main+0x2b4
aarch64_start() at ffffffc000001854 netbsd:aarch64_start+0x1054

Author: Maya Rashish <maya%NetBSD.org@localhost>
Committer: Taylor R Campbell <riastradh%NetBSD.org@localhost>


To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/arm/sunxi/sunxi_fb.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.