media: mediatek: vcodec: fix decoder disable pm crash
Can't call pm_runtime_disable when the architecture support sub device for
'dev->pm.dev' is NUll, or will get below crash log.
[ 10.771551] pc : _raw_spin_lock_irq+0x4c/0xa0
[ 10.771556] lr : __pm_runtime_disable+0x30/0x130
[ 10.771558] sp :
ffffffc01e4cb800
[ 10.771559] x29:
ffffffc01e4cb800 x28:
ffffffdf082108a8
[ 10.771563] x27:
ffffffc01e4cbd70 x26:
ffffff8605df55f0
[ 10.771567] x25:
0000000000000002 x24:
0000000000000002
[ 10.771570] x23:
ffffff85c0dc9c00 x22:
0000000000000001
[ 10.771573] x21:
0000000000000001 x20:
0000000000000000
[ 10.771577] x19:
00000000000000f4 x18:
ffffffdf2e9fbe18
[ 10.771580] x17:
0000000000000000 x16:
ffffffdf2df13c74
[ 10.771583] x15:
00000000000002ea x14:
0000000000000058
[ 10.771587] x13:
ffffffdf2de1b62c x12:
ffffffdf2e9e30e4
[ 10.771590] x11:
0000000000000000 x10:
0000000000000001
[ 10.771593] x9 :
0000000000000000 x8 :
00000000000000f4
[ 10.771596] x7 :
6bff6264632c6264 x6 :
0000000000008000
[ 10.771600] x5 :
0080000000000000 x4 :
0000000000000001
[ 10.771603] x3 :
0000000000000008 x2 :
0000000000000001
[ 10.771608] x1 :
0000000000000000 x0 :
00000000000000f4
[ 10.771613] Call trace:
[ 10.771617] _raw_spin_lock_irq+0x4c/0xa0
[ 10.771620] __pm_runtime_disable+0x30/0x130
[ 10.771657] mtk_vcodec_probe+0x69c/0x728 [mtk_vcodec_dec
800cc929d6631f79f9b273254c8db94d0d3500dc]
[ 10.771662] platform_drv_probe+0x9c/0xbc
[ 10.771665] really_probe+0x13c/0x3a0
[ 10.771668] driver_probe_device+0x84/0xc0
[ 10.771671] device_driver_attach+0x54/0x78
Fixes:
ba31a5b39400 ("media: mtk-vcodec: Remove mtk_vcodec_release_dec_pm")
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>