drm/amd/display: Update IPS default mode for DCN35/DCN351

[WHY]
RCG state of IPX in idle is more stable for DCN351 and some variants of
DCN35 than IPS2.

[HOW]
Rework dm_get_default_ips_mode() to specify default per ASIC and update
DCN35/DCN351 defaults accordingly.

Cc: Mario Limonciello <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: [email protected]
Reviewed-by: Sun peng Li <[email protected]>
Signed-off-by: Roman Li <[email protected]>
Signed-off-by: Alex Hung <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions