drm/amd/display: parse and check PSR SU caps

[why]
Adding a function to read PSR capabilities
and ALPM capabilities.
Also adding a helper function to validate if
the sink and the driver support PSR SU.
[how]
- isolated all PSR and ALPM reading calls to a separate funciton
- set all required PSR caps
- added a helper function to check if PSR SU is supported by sink
and the driver

Reviewed-by: Roman Li <[email protected]>
Reviewed-by: Rodrigo Siqueira <[email protected]>
Acked-by: Pavle Kotarac <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Mikita Lipski <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions