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drm/amd/display: Disable hpo power gate

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[Why & How]
Disable HPO power gate temporarily to
work around some DP 2 LL compliance failures on DCN42.

Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Leo Chen <leo.chen@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>
This commit is contained in:
Leo Chen 2026-04-17 13:51:24 -04:00 committed by Alex Deucher
parent 9bed715da7
commit 04f5c13b55
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c
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@ -700,6 +700,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.disable_optc_power_gate = false,
.disable_dsc_power_gate = false,
.disable_dio_power_gate = true,
.disable_hpo_power_gate = true,
.pipe_split_policy = MPC_SPLIT_AVOID,
.force_single_disp_pipe_split = false,
.disable_dcc = DCC_ENABLE,