[PATCH v4 08/19] drm/i915/psr: Use intel_alpm_aux_wake_supported instead of local variable

["Jouni Högander" <jouni.hogander@intel.com>]

We have now intel_alpm_aux_wake_supported. Use that instead of local
variable.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 7fb14d740d31..51fa8e43265a 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -446,16 +446,6 @@ void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir)
 	}
 }
 
-static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp)
-{
-	u8 alpm_caps = 0;
-
-	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,
-			      &alpm_caps) != 1)
-		return false;
-	return alpm_caps & DP_ALPM_CAP;
-}
-
 static u8 intel_dp_get_sink_sync_latency(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
@@ -607,7 +597,6 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp)
 	    intel_dp->psr_dpcd[0] >= DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) {
 		bool y_req = intel_dp->psr_dpcd[1] &
 			     DP_PSR2_SU_Y_COORDINATE_REQUIRED;
-		bool alpm = intel_dp_get_alpm_status(intel_dp);
 
 		/*
 		 * All panels that supports PSR version 03h (PSR2 +
@@ -620,7 +609,8 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp)
 		 * Y-coordinate requirement panels we would need to enable
 		 * GTC first.
 		 */
-		intel_dp->psr.sink_psr2_support = y_req && alpm;
+		intel_dp->psr.sink_psr2_support = y_req &&
+			intel_alpm_aux_wake_supported(intel_dp);
 		drm_dbg_kms(&i915->drm, "PSR2 %ssupported\n",
 			    intel_dp->psr.sink_psr2_support ? "" : "not ");
 	}
-- 
2.34.1