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(parent: 1a77ece) | patch
drm/amd/display: Init DMUB DPIA Only for APU
authorFangzhi Zuo <Jerry.Zuo@amd.com>
Wed, 21 Jan 2026 19:24:37 +0000 (14:24 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 3 Feb 2026 21:43:25 +0000 (16:43 -0500)
commit1e5a335e2436a263cdc5c27ea7bbb0aa8137346a
tree619bd378f9f8f6c492cb280b3c341ad67c58a736tree
parent1a77ecec8b35258c45b6963698e5dc378c67ef32commit | diff
drm/amd/display: Init DMUB DPIA Only for APU

[why & how]
1. There is no need to init dpia in dgpu
2. Add additional dpia flags
   a. dpia hpd dynamic control
   b. consolidated dpia link training to dp
   c. dynamic bw allocation support

Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c diff | blob | history
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