Please note the lines
* Feb 16 15:47:43 Lin kernel: [drm] pstate TEST_DEBUG_DATA: 0xB7F60000
and
* Feb 16 15:47:43 Lin kernel: [drm] pstate TEST_DEBUG_DATA: 0x37F60000
(I've cut the repeating parts)
The lines are emitted in the kernel source code at ../drivers/gpu/drm/amd/display/dc/dcn10/ by the function hubbub1_verify_allow_pstate_change_high()
Please note the lines
* Feb 16 15:47:43 Lin kernel: [drm] pstate TEST_DEBUG_DATA: 0xB7F60000
and
* Feb 16 15:47:43 Lin kernel: [drm] pstate TEST_DEBUG_DATA: 0x37F60000
(I've cut the repeating parts)
The lines are emitted in the kernel source code at ../drivers/ gpu/drm/ amd/display/ dc/dcn10/ by the function hubbub1_ verify_ allow_pstate_ change_ high()