[v2,06/11] drm/i915: WARN for eDP encoders in intel_dp_detect_dpcd()

Submitted by Imre Deak on May 9, 2019, 6:19 a.m.

Details

Message ID 20190509061954.10379-7-imre.deak@intel.com
State New
Headers show
Series "drm/i915: Add support for asynchronous display power disabling" ( rev: 3 ) in Intel GFX

Not browsing as part of any series.

Commit Message

Imre Deak May 9, 2019, 6:19 a.m.
We are not calling this function for eDP, so add an early assert about
this for clarity.

Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

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diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 700ceacb82e6..1e011998e9d5 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4844,15 +4844,15 @@  intel_dp_detect_dpcd(struct intel_dp *intel_dp)
 	u8 *dpcd = intel_dp->dpcd;
 	u8 type;
 
+	if (WARN_ON(intel_dp_is_edp(intel_dp)))
+		return connector_status_connected;
+
 	if (lspcon->active)
 		lspcon_resume(lspcon);
 
 	if (!intel_dp_get_dpcd(intel_dp))
 		return connector_status_disconnected;
 
-	if (intel_dp_is_edp(intel_dp))
-		return connector_status_connected;
-
 	/* if there's no downstream port, we're done */
 	if (!drm_dp_is_branch(dpcd))
 		return connector_status_connected;