drm/amd/display: should support dmub hw lock on Replay
[Why] Without acquiring DMCUB hw lock, a race condition is caused with Panel Replay feature, which will trigger a hang. Indicate that a lock is necessary to prevent this when replay feature is enabled. [How] To allow dmub hw lock on Replay. Reviewed-by: Robin Chen <robin.chen@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Martin Tsai <martin.tsai@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Alex Deucher
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bfeefe6ea5
@@ -65,5 +65,9 @@ bool should_use_dmub_lock(struct dc_link *link)
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{
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if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
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return true;
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if (link->replay_settings.replay_feature_enabled)
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return true;
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return false;
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}
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