[PATCH v6 00/10] rockchip: kevin: Enable edp display

Heiko Stuebner
2017-10-30T23:01:08Z

Hi Jeffy, Sean,

Am Donnerstag, 19. Oktober 2017, 11:48:02 CET schrieb Jeffy Chen:
>
> Make edp display works on chromebook kevin(at least for boot animation).
>
> Also solve some issues i meet during the bringup.
>
> Changes in v6:
> Don't change order of rockchip_drm_psr_register().
>
> Changes in v5:
> Call the destroy hook in the error handling path like in unbind().
> Call the destroy hook in the error handling path like in unbind().
> Update cleanup order in unbind().
> Add disable to unbind(), and inline clk_prepare_enable() with bind().
>
> Jeffy Chen (10):
> arm64: dts: rockchip: Enable edp disaplay on kevin
> drm/rockchip: analogix_dp: Remove unnecessary init code
> drm/bridge: analogix: Do not use device's drvdata
> drm/bridge: analogix_dp: Fix connector and encoder cleanup
> drm/rockchip: analogix_dp: Add a sanity check for
> rockchip_drm_psr_register()
> drm/rockchip: dw-mipi-dsi: Fix error handling path
> drm/rockchip: inno_hdmi: Fix error handling path
> drm/bridge/synopsys: dw-hdmi: Add missing bridge detach
> drm/bridge/synopsys: dw-hdmi: Do not use device's drvdata
> drm/rockchip: dw_hdmi: Fix error handling path

As I was just looking at the edp dts change in patch1 again, does this
series also contain a fix for the issue below [0] ?

I'm still seeing this on 4.14-rc6 with the most recent drm tree merged in.

Heiko

[0]

[ 27.960120] BUG: scheduling while atomic: kworker/1:1/68/0x00000002
[ 27.974429] Modules linked in: rockchipdrm dw_hdmi analogix_dp drm_kms_helper panel_simple crc32_ce drm crct10dif_ce rockchip_saradc pwm_bl pwm_cros_ec rockchip_thermal ip_tables x_tabl
es ipv6 smsc95xx smsc75xx ax88179_178a asix usbnet phy_rockchip_pcie pcie_rockchip
[ 28.008769] CPU: 1 PID: 68 Comm: kworker/1:1 Tainted: G W 4.14.0-rc7-03201-g12490811b353 #559
[ 28.008774] Hardware name: Google Kevin (DT)
[ 28.008825] Workqueue: events analogix_dp_psr_work [rockchipdrm]
[ 28.008828] Call trace:
[ 28.008838] [<ffff000008088d60>] dump_backtrace+0x0/0x378
[ 28.008842] [<ffff0000080890ec>] show_stack+0x14/0x20
[ 28.008847] [<ffff0000089b04d8>] dump_stack+0x9c/0xbc
[ 28.008852] [<ffff0000080ec4b4>] __schedule_bug+0x4c/0x70
[ 28.008856] [<ffff0000089c4828>] __schedule+0x558/0x5e8
[ 28.008859] [<ffff0000089c48f0>] schedule+0x38/0xa0
[ 28.008864] [<ffff0000089c8194>] schedule_hrtimeout_range_clock+0x84/0xe8
[ 28.008867] [<ffff0000089c8208>] schedule_hrtimeout_range+0x10/0x18
[ 28.008870] [<ffff0000089c7c74>] usleep_range+0x64/0x78
[ 28.008882] [<ffff000000ef56e4>] analogix_dp_transfer+0x16c/0xa88 [analogix_dp]
[ 28.008891] [<ffff000000ef2190>] analogix_dpaux_transfer+0x10/0x18 [analogix_dp]
[ 28.008950] [<ffff000000ddbb1c>] drm_dp_dpcd_access+0x4c/0xf8 [drm_kms_helper]
[ 28.008994] [<ffff000000ddbbe4>] drm_dp_dpcd_write+0x1c/0x28 [drm_kms_helper]
[ 28.009002] [<ffff000000ef2130>] analogix_dp_disable_psr+0x60/0xb0 [analogix_dp]
[ 28.009036] [<ffff000000f8398c>] analogix_dp_psr_work+0x4c/0xc0 [rockchipdrm]