drm/amd/display: not abort link train when bw is low

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[ Upstream commit 8a21da2842 ]

[WHY]
DP tunneling should not abort link train even bandwidth become
too low after downgrade. Otherwise, it would fail compliance test.

[HOW}
Do link train with downgrade settings even bandwidth is not enough

Reviewed-by: Cruise Hung <cruise.hung@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Peichen Huang 2025-02-25 14:52:30 +08:00 • committed by Greg Kroah-Hartman

parent 83e4f1de08

commit ed7eda66b2

1 changed files with 1 additions and 4 deletions

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drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c

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