drm/radeon/dpm: use the driver state for dpm debugfs

For btc and newer, we may modify the power state depending
on the circumstances.  Use the modified state rather than
the base state.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --cc drivers/gpu/drm/radeon/btc_dpm.c
Simple merge

diff --cc drivers/gpu/drm/radeon/btcd.h
Simple merge

diff --cc drivers/gpu/drm/radeon/ni_dpm.c
Simple merge

diff --cc drivers/gpu/drm/radeon/radeon_asic.c
Simple merge

diff --cc drivers/gpu/drm/radeon/radeon_asic.h
Simple merge

diff --cc drivers/gpu/drm/radeon/si_dpm.c
Simple merge

diff --cc drivers/gpu/drm/radeon/sumo_dpm.c
Simple merge

diff --cc drivers/gpu/drm/radeon/trinity_dpm.c
Simple merge