drm/amd/display: Use mpcc_id instead of hubp instance

[why]
Hubp pointer is not initialized for older asics.

[how]
Use mpcc_id field from plane resources instead of instance number
by dereferencing hupb pointer.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Tomasz Siemek <tomasz.siemek@amd.com>
Signed-off-by: James Lin <pinglei.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tomasz Siemek 2026-08-07 15:17:25 +02:00 • committed by Alex Deucher
commit 8e4670efd6