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drm/amd/display: Add fallback configuration when set DRR

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Set OTG/OPTC parameter to 0 if failed to set DRR.

Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2024-03-26 11:49:50 -06:00 committed by Alex Deucher
parent 7dc363e662
commit d76c0a23b5
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
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@ -293,9 +293,16 @@ static void optc32_set_drr(
}
optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1);
}
optc32_setup_manual_trigger(optc);
} else {
REG_UPDATE_4(OTG_V_TOTAL_CONTROL,
OTG_SET_V_TOTAL_MIN_MASK, 0,
OTG_V_TOTAL_MIN_SEL, 0,
OTG_V_TOTAL_MAX_SEL, 0,
OTG_FORCE_LOCK_ON_EVENT, 0);
optc32_setup_manual_trigger(optc);
optc->funcs->set_vtotal_min_max(optc, 0, 0);
}
}
static struct timing_generator_funcs dcn32_tg_funcs = {