[PATCH 2/8] drm/i915/alpm: alpm_init() for DP2.1

[Animesh Manna <animesh.manna@intel.com>]

Initialize mutex for DP2.1 alpm.

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 475518b4048b..3f9cbeb215ed 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6073,8 +6073,12 @@ intel_dp_detect(struct drm_connector *_connector,
 	if (ret == 1)
 		connector->base.epoch_counter++;
 
-	if (!intel_dp_is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp)) {
+		if (DISPLAY_VER(display) >= 35)
+			intel_alpm_init(intel_dp);
+
 		intel_psr_init_dpcd(intel_dp);
+	}
 
 	intel_dp_detect_dsc_caps(intel_dp, connector);
 
-- 
2.29.0