Displays
In the firmwares I've analyzed, the display panel (found in the device tree as panel@0) is either a UMO-P076MD-T, UMO-P080MD-T (can't find the datasheet), or wj40atyaqmnn0 (can't find any data about this one, only used on the hg04). Both of the UMO panels are made by Microtips Technology.
To get additional datasheets, emailing mtusainfo@microtipsusa.com is likely a good method. They seemed willing to provide them when I was on the phone with them.
Mainline Linux does not have a driver for these specific panels, but some other Microtips Technology panels are supported. Since the mainline supported ones are in the simple panel driver, we can likely build a data field and mad compatible for these panels to get them working properly.
Panel | Link |
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From what I've seen in the OEM firmware, the kernel build configs list configuration options that aren't in mainline.
CONFIG_DRM_PANEL_URT_UMO_9399MD_1TCONFIG_DRM_PANEL_URT_UMO_P076MD_TCONFIG_DRM_PANEL_URT_UMO_P080MD_TCONFIG_DRM_PANEL_URT_UMOH_9522MD_T
They must have some proprietary driver for these panels that they are using to expose a framebuffer that interacts with the panels.
Adding Kernel Driver
These displays can be supported in panel-simple.c by setting up panel description data in the DSI configuration.
Define the panel modes and description:
static const struct drm_display_mode urt_umo_p076md_mode = {
.clock = 73000, // 73000 in OEM
.hdisplay = 800,
.hsync_start = 800 + 77,
.hsync_end = 800 + 77 + 24,
.htotal = 800 + 77 + 24 + 24, // 925 in OEM
.vdisplay = 1280, // 1280 in OEM
.vsync_start = 1280 + 12,
.vsync_end = 1280 + 12 + 4,
.vtotal = 1280 + 12 + 4 + 18, // 1314 in OEM
};
static const struct panel_desc_dsi urt_umo_p076md = {
.desc = {
.modes = &urt_umo_p076md_mode,
.num_modes = 1,
.bpc = 8,
.size = {
.width = 96,
.height = 152,
},
.connector_type = DRM_MODE_CONNECTOR_DSI,
},
.flags = MIPI_DSI_MODE_VIDEO,
.format = MIPI_DSI_FMT_RGB888,
.lanes = 4,
};
I can verify that urt_umo_p076md_mode is correct, as dmesg reports the data in this struct during boot with debug loglevel=7 drm.debug=0x1f
Probed mode: "800x1280": 60 73000 800 877 901 925 1280 1292 1296 1314 0x48 0x0
Modeline "800x1280": 60 73000 800 877 901 925 1280 1292 1296 1314 0x48 0x0
Add a reference to the new definitions by adding the following to dsi_of_match in the same file:
{
.compatible = "urt,umo-p076md-t",
.data = &urt_umo_p076md
}, {
.compatible = "urt,umo-p080md-t",
.data = &urt_umo_p076md
}, {
.compatible = "urt,umoh-9522md-t",
.data = &urt_umo_p076md
}
This is enough to get /dev/fb0 to appear, but there are still issues (like no display). cat /dev/urandom > /dev/fb0 doesn't produce anything on the display (should display noise).
Boot Log
Here's the relevant section of the boot log, which shows the panel booting up with our added panel support.
It looks like there's a VOP issue in this.
dw-mipi-dsi-rockchip ff960000.mipi: Fixed dependency cycle(s) with /mipi@ff960000/panel@0
mipi-dsi ff960000.mipi.0: Fixed dependency cycle(s) with /mipi@ff960000
panel-simple-dsi ff960000.mipi.0: Looking up power-supply from device tree
rockchip-vop ff930000.vop: [drm:vop_bind] Warning: not support global_regdone_en
rockchip-vop ff930000.vop: [drm:vop_bind] Warning: not support gate
rockchip-vop ff930000.vop: [drm:vop_bind] Warning: not support gate
rockchip-vop ff930000.vop: [drm:vop_bind] Warning: not support channel
rockchip-vop ff930000.vop: [drm:vop_bind] Warning: not support channel
rockchip-drm display-subsystem: bound ff930000.vop (ops 0xc0954268)
rk_iommu ff940300.iommu: Page fault at 0x7f4bda00 of type read
rk_iommu ff940300.iommu: iova = 0x7f4bda00: dte_index: 0x1fd pte_index: 0xbd page_offset: 0xa00
rk_iommu ff940300.iommu: mmu_dte_addr: 0x014e0000 dte@0x014e07f4: 0x000000 valid: 0 pte@0x00000000: 0x000000 valid: 0 page@0x00000000 flags: 0x0
rockchip-vop ff940000.vop: [drm:vop_bind] Warning: not support global_regdone_en
rockchip-vop ff940000.vop: [drm:vop_bind] Warning: not support gate
rockchip-vop ff940000.vop: [drm:vop_bind] Warning: not support gate
rockchip-vop ff940000.vop: [drm:vop_bind] Warning: not support channel
rockchip-vop ff940000.vop: [drm:vop_bind] Warning: not support channel
rockchip-drm display-subsystem: bound ff940000.vop (ops 0xc0954268)
rockchip-drm display-subsystem: bound ff960000.mipi (ops 0xc0958c6c)
[drm:rockchip_drm_bind] IOMMU context initialized (aperture: 0x0-0xffffffff)
[drm:drm_minor_register]
[drm:drm_minor_register]
[drm:drm_minor_register] new minor registered 0
[drm:drm_minor_register]
rockchip-drm display-subsystem: [drm:drm_sysfs_connector_add] [CONNECTOR:51:DSI-1] adding connector to sysfs
rockchip-drm display-subsystem: [drm:drm_sysfs_connector_hotplug_event] [CONNECTOR:51:DSI-1] generating connector hotplug event
[drm] Initialized rockchip 1.0.0 for display-subsystem on minor 0
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe]
[drm:drm_mode_object_get] OBJ ID: 51 (2)
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:DSI-1]
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:DSI-1] status updated from unknown to connected
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:DSI-1] probed modes:
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] Probed mode: "800x1280": 60 73000 800 877 901 925 1280 1292 1296 1314 0x48 0x0
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] enabled? yes
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] Not using firmware configuration
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] looking for cmdline mode
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] looking for preferred mode, tile 0
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] Found mode 800x1280
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] picking CRTCs for 4096x4096 config
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CRTC:45:crtc-1] desired mode 800x1280 set (0,0)
[drm:drm_mode_object_get] OBJ ID: 51 (2)
[drm:drm_mode_object_put] OBJ ID: 51 (3)
rockchip-drm display-subsystem: [drm:__drm_fb_helper_initial_config_and_unlock] test CRTC 0 primary plane
rockchip-drm display-subsystem: [drm:drm_fbdev_dma_helper_fb_probe] surface width(800), height(3840) and bpp(32)
rockchip-drm display-subsystem: [drm:drm_mode_addfb2] [FB:53]
[drm:drm_mode_object_put] OBJ ID: 53 (2)
rk_iommu ff940300.iommu: Enable stall request timed out, status: 0x00004b
irq 47: nobody cared (try booting with the "irqpoll" option)
CPU: 0 UID: 0 PID: 50 Comm: kworker/0:6 Not tainted 6.11.0primego-dirty #51
Hardware name: Rockchip (Device Tree)
Workqueue: pm pm_runtime_work
Call trace:
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x50/0x64
dump_stack_lvl from __report_bad_irq+0x28/0xc0
__report_bad_irq from note_interrupt+0x1ec/0x294
note_interrupt from handle_irq_event_percpu+0x30/0x38
handle_irq_event_percpu from handle_irq_event+0x44/0x68
handle_irq_event from handle_fasteoi_irq+0xbc/0x14c
handle_fasteoi_irq from handle_irq_desc+0x1c/0x2c
handle_irq_desc from gic_handle_irq+0x60/0x70
gic_handle_irq from generic_handle_arch_irq+0x28/0x3c
generic_handle_arch_irq from call_with_stack+0x18/0x20
call_with_stack from __irq_svc+0x98/0xb0
Exception stack(0xf09c5dd0 to 0xf09c5e18)
5dc0: c0ea75d8 00000001 c14da040 c06aaab8
5de0: c0eef9c8 c0eef9c0 0000024a 00000000 c0eef9c8 00000000 c0eb4180 c14d7880
5e00: 00000000 f09c5e20 c0180460 c06aaab8 60000013 ffffffff
__irq_svc from arch_counter_read+0x0/0x10
arch_counter_read from timekeeping_get_ns+0xc/0x20
timekeeping_get_ns from ktime_get+0x50/0x7c
ktime_get from rk_iommu_disable+0x84/0x144
rk_iommu_disable from rk_iommu_suspend+0x1c/0x30
rk_iommu_suspend from genpd_runtime_suspend+0xc4/0x260
genpd_runtime_suspend from __rpm_callback+0x3c/0x110
__rpm_callback from rpm_callback+0x54/0x58
rpm_callback from rpm_suspend+0x234/0x3f0
rpm_suspend from pm_runtime_work+0x74/0x8c
pm_runtime_work from process_scheduled_works+0x180/0x254
process_scheduled_works from worker_thread+0x16c/0x1f0
worker_thread from kthread+0xd4/0xdc
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf09c5fb0 to 0xf09c5ff8)
5fa0: 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
handlers:
[<(ptrval)>] rk_iommu_irq
[<(ptrval)>] vop_isr
Disabling IRQ #47
rockchip-drm display-subsystem: [drm:drm_sysfs_hotplug_event] generating hotplug event
rockchip-drm display-subsystem: [drm] fb0: rockchipdrmfb frame buffer device
rockchip-drm display-subsystem: [drm:drm_fb_helper_hotplug_event]
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe]
[drm:drm_mode_object_get] OBJ ID: 51 (3)
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:DSI-1]
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:DSI-1] probed modes:
rockchip-drm display-subsystem: [drm:drm_helper_probe_single_connector_modes] Probed mode: "800x1280": 60 73000 800 877 901 925 1280 1292 1296 1314 0x48 0x0
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] enabled? yes
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] Not using firmware configuration
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] looking for cmdline mode
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] looking for preferred mode, tile 0
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CONNECTOR:51:DSI-1] Found mode 800x1280
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] picking CRTCs for 800x3840 config
[drm:drm_mode_object_put] OBJ ID: 51 (3)
rockchip-drm display-subsystem: [drm:drm_client_modeset_probe] [CRTC:45:crtc-1] desired mode 800x1280 set (0,0)
[drm:drm_mode_object_get] OBJ ID: 51 (2)
[drm:drm_mode_object_put] OBJ ID: 51 (3)
rockchip-drm display-subsystem: [drm:drm_atomic_state_init] Allocated atomic state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:32:plane-0] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:34:plane-1] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:34:plane-1] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:37:plane-2] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:37:plane-2] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:39:plane-3] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:39:plane-3] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:41:plane-4] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:43:plane-5] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:43:plane-5] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:46:plane-6] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:46:plane-6] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_plane_state] Added [PLANE:48:plane-7] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:48:plane-7] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_crtc_state] Added [CRTC:36:crtc-0] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_mode_for_crtc] Set [NOMODE] for [CRTC:36:crtc-0] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for [PLANE:32:plane-0] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_add_affected_connectors] Adding all current connectors for [CRTC:36:crtc-0] to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_crtc_state] Added [CRTC:45:crtc-1] (ptrval) state to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_mode_for_crtc] Set [MODE:800x1280] for [CRTC:45:crtc-1] state (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_set_crtc_for_plane] Link [PLANE:41:plane-4] state (ptrval) to [CRTC:45:crtc-1]
rockchip-drm display-subsystem: [drm:drm_atomic_set_fb_for_plane] Set [FB:53] for [PLANE:41:plane-4] state (ptrval)
[drm:drm_mode_object_get] OBJ ID: 53 (1)
rockchip-drm display-subsystem: [drm:drm_atomic_add_affected_connectors] Adding all current connectors for [CRTC:45:crtc-1] to (ptrval)
[drm:drm_mode_object_get] OBJ ID: 51 (2)
rockchip-drm display-subsystem: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:51:DSI-1] (ptrval) state to (ptrval)
[drm:drm_mode_object_get] OBJ ID: 51 (3)
rockchip-drm display-subsystem: [drm:drm_atomic_set_crtc_for_connector] Link [CONNECTOR:51:DSI-1] state (ptrval) to [CRTC:45:crtc-1]
rockchip-drm display-subsystem: [drm:drm_atomic_check_only] checking (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_helper_check_modeset] [CRTC:45:crtc-1] mode changed
rockchip-drm display-subsystem: [drm:drm_atomic_helper_check_modeset] [CRTC:45:crtc-1] enable changed
rockchip-drm display-subsystem: [drm:drm_atomic_helper_check_modeset] [CRTC:45:crtc-1] active changed
rockchip-drm display-subsystem: [drm:drm_atomic_helper_check_modeset] Updating routing for [CONNECTOR:51:DSI-1]
rockchip-drm display-subsystem: [drm:drm_atomic_helper_check_modeset] [CONNECTOR:51:DSI-1] using [ENCODER:50:DSI-50] on [CRTC:45:crtc-1]
rockchip-drm display-subsystem: [drm:drm_atomic_helper_check_modeset] [CRTC:45:crtc-1] needs all connectors, enable: y, active: y
rockchip-drm display-subsystem: [drm:drm_atomic_add_affected_connectors] Adding all current connectors for [CRTC:45:crtc-1] to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_add_affected_planes] Adding all current planes for [CRTC:45:crtc-1] to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:50:DSI-50] to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_private_obj_state] Added new private object (ptrval) state (ptrval) to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_get_private_obj_state] Added new private object (ptrval) state (ptrval) to (ptrval)
rockchip-drm display-subsystem: [drm:drm_atomic_normalize_zpos] [CRTC:45:crtc-1] calculating normalized zpos values
rockchip-drm display-subsystem: [drm:drm_atomic_normalize_zpos] [PLANE:41:plane-4] processing zpos value 0
rockchip-drm display-subsystem: [drm:drm_atomic_normalize_zpos] [PLANE:41:plane-4] normalized zpos value 0
rockchip-drm display-subsystem: [drm:drm_atomic_commit] committing (ptrval)
rockchip-drm display-subsystem: [drm:drm_calc_timestamping_constants] crtc 45: hwmode: htotal 925, vtotal 1314, vdisplay 1280
rockchip-drm display-subsystem: [drm:drm_calc_timestamping_constants] crtc 45: clock 73000 kHz framedur 16650000 linedur 12671
rockchip-drm display-subsystem: [drm:drm_atomic_helper_commit_modeset_disables] modeset on [ENCODER:50:DSI-50]
rockchip-drm display-subsystem: [drm:drm_atomic_helper_commit_modeset_enables] enabling [CRTC:45:crtc-1]
rk_iommu ff940300.iommu: Disable paging request timed out, status: 0x00004b
brd: module loaded
rk_iommu ff940300.iommu: Enable stall request timed out, status: 0x00004b
rockchip-vop ff940000.vop: [drm:vop_crtc_atomic_enable] *ERROR* failed to get pm runtime: -110
rockchip-vop ff940000.vop: [drm:drm_atomic_helper_commit_modeset_enables] *ERROR* Failed to enable vop (-110)
rockchip-drm display-subsystem: [drm:drm_atomic_helper_commit_modeset_enables] enabling [ENCODER:50:DSI-50]
loop: module loaded
dwc2 ff540000.usb: Looking up vusb_d-supply from device tree
dwc2 ff540000.usb: Looking up vusb_d-supply property in node /usb@ff540000 failed
dwc2 ff540000.usb: supply vusb_d not found, using dummy regulator
dwc2 ff540000.usb: Looking up vusb_a-supply from device tree
dwc2 ff540000.usb: Looking up vusb_a-supply property in node /usb@ff540000 failed
dwc2 ff540000.usb: supply vusb_a not found, using dummy regulator
dwc2 ff540000.usb: Looking up vbus-supply from device tree
dwc2 ff540000.usb: Looking up vbus-supply property in node /usb@ff540000 failed
------------[ cut here ]------------
WARNING: CPU: 0 PID: 49 at drivers/gpu/drm/rockchip/rockchip_drm_vop.c:943 drm_atomic_helper_commit_planes+0x1b0/0x274
Modules linked in:
CPU: 0 UID: 0 PID: 49 Comm: kworker/0:5 Not tainted 6.11.0primego-dirty #51
Hardware name: Rockchip (Device Tree)
Workqueue: events output_poll_execute
Call trace:
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x50/0x64
dump_stack_lvl from __warn+0x74/0xbc
__warn from warn_slowpath_fmt+0xac/0x104
warn_slowpath_fmt from drm_atomic_helper_commit_planes+0x1b0/0x274
drm_atomic_helper_commit_planes from drm_atomic_helper_commit_tail_rpm+0x34/0x60
drm_atomic_helper_commit_tail_rpm from commit_tail+0x6c/0x138
commit_tail from drm_atomic_helper_commit+0xf4/0x104
drm_atomic_helper_commit from drm_atomic_commit+0xbc/0xf0
drm_atomic_commit from drm_client_modeset_commit_atomic+0x178/0x200
drm_client_modeset_commit_atomic from drm_client_modeset_commit_locked+0x3c/0x148
drm_client_modeset_commit_locked from drm_client_modeset_commit+0x28/0x3c
drm_client_modeset_commit from __drm_fb_helper_restore_fbdev_mode_unlocked+0x8c/0x94
__drm_fb_helper_restore_fbdev_mode_unlocked from drm_fb_helper_set_par+0x2c/0x38
drm_fb_helper_set_par from drm_fb_helper_hotplug_event+0xcc/0xe0
drm_fb_helper_hotplug_event from drm_client_dev_hotplug+0xb4/0x108
drm_client_dev_hotplug from output_poll_execute+0xc8/0x228
output_poll_execute from process_scheduled_works+0x180/0x254
process_scheduled_works from worker_thread+0x16c/0x1f0
worker_thread from kthread+0xd4/0xdc
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf09c1fb0 to 0xf09c1ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 49 at drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1576 drm_atomic_helper_commit_planes+0x238/0x274
Modules linked in:
CPU: 0 UID: 0 PID: 49 Comm: kworker/0:5 Tainted: G W 6.11.0primego-dirty #51
Tainted: [W]=WARN
Hardware name: Rockchip (Device Tree)
Workqueue: events output_poll_execute
Call trace:
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x50/0x64
dump_stack_lvl from __warn+0x74/0xbc
__warn from warn_slowpath_fmt+0xac/0x104
warn_slowpath_fmt from drm_atomic_helper_commit_planes+0x238/0x274
drm_atomic_helper_commit_planes from drm_atomic_helper_commit_tail_rpm+0x34/0x60
drm_atomic_helper_commit_tail_rpm from commit_tail+0x6c/0x138
commit_tail from drm_atomic_helper_commit+0xf4/0x104
drm_atomic_helper_commit from drm_atomic_commit+0xbc/0xf0
drm_atomic_commit from drm_client_modeset_commit_atomic+0x178/0x200
drm_client_modeset_commit_atomic from drm_client_modeset_commit_locked+0x3c/0x148
drm_client_modeset_commit_locked from drm_client_modeset_commit+0x28/0x3c
drm_client_modeset_commit from __drm_fb_helper_restore_fbdev_mode_unlocked+0x8c/0x94
__drm_fb_helper_restore_fbdev_mode_unlocked from drm_fb_helper_set_par+0x2c/0x38
drm_fb_helper_set_par from drm_fb_helper_hotplug_event+0xcc/0xe0
drm_fb_helper_hotplug_event from drm_client_dev_hotplug+0xb4/0x108
drm_client_dev_hotplug from output_poll_execute+0xc8/0x228
output_poll_execute from process_scheduled_works+0x180/0x254
process_scheduled_works from worker_thread+0x16c/0x1f0
worker_thread from kthread+0xd4/0xdc
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf09c1fb0 to 0xf09c1ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 49 at drivers/gpu/drm/drm_atomic_helper.c:2515 drm_atomic_helper_commit_hw_done+0xb4/0xcc
Modules linked in:
CPU: 0 UID: 0 PID: 49 Comm: kworker/0:5 Tainted: G W 6.11.0primego-dirty #51
Tainted: [W]=WARN
Hardware name: Rockchip (Device Tree)
Workqueue: events output_poll_execute
Call trace:
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x50/0x64
dump_stack_lvl from __warn+0x74/0xbc
__warn from warn_slowpath_fmt+0xac/0x104
warn_slowpath_fmt from drm_atomic_helper_commit_hw_done+0xb4/0xcc
drm_atomic_helper_commit_hw_done from drm_atomic_helper_commit_tail_rpm+0x44/0x60
drm_atomic_helper_commit_tail_rpm from commit_tail+0x6c/0x138
commit_tail from drm_atomic_helper_commit+0xf4/0x104
drm_atomic_helper_commit from drm_atomic_commit+0xbc/0xf0
drm_atomic_commit from drm_client_modeset_commit_atomic+0x178/0x200
drm_client_modeset_commit_atomic from drm_client_modeset_commit_locked+0x3c/0x148
drm_client_modeset_commit_locked from drm_client_modeset_commit+0x28/0x3c
drm_client_modeset_commit from __drm_fb_helper_restore_fbdev_mode_unlocked+0x8c/0x94
__drm_fb_helper_restore_fbdev_mode_unlocked from drm_fb_helper_set_par+0x2c/0x38
drm_fb_helper_set_par from drm_fb_helper_hotplug_event+0xcc/0xe0
drm_fb_helper_hotplug_event from drm_client_dev_hotplug+0xb4/0x108
drm_client_dev_hotplug from output_poll_execute+0xc8/0x228
output_poll_execute from process_scheduled_works+0x180/0x254
process_scheduled_works from worker_thread+0x16c/0x1f0
worker_thread from kthread+0xd4/0xdc
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf09c1fb0 to 0xf09c1ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace 0000000000000000 ]---
rockchip-drm display-subsystem: [drm:drm_atomic_state_default_clear] Clearing atomic state (ptrval)
[drm:drm_mode_object_put] OBJ ID: 51 (4)
rockchip-drm display-subsystem: [drm:__drm_atomic_state_free] Freeing atomic state (ptrval)
rockchip-drm display-subsystem: [drm:drm_client_dev_hotplug] fbdev: ret=0
Last modified: 11 November 2024