From: Ville Syrjälä <ville.syrj...@linux.intel.com>
We should never enable the panel power twice. That would indicate a bug
somewhere else as we would need to enable the port twice without
disabling it in between. Also print the port name.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index c8b58e4..51f4748 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1666,10 +1666,10 @@ static void edp_panel_on(struct intel_dp *intel_dp)
DRM_DEBUG_KMS("Turn eDP port %c panel power on\n",
port_name(dp_to_dig_port(intel_dp)->port));
- if (edp_have_panel_power(intel_dp)) {
- DRM_DEBUG_KMS("eDP power already on\n");
+ if (WARN(edp_have_panel_power(intel_dp),
+ "eDP port %c panel power already on\n",
+ port_name(dp_to_dig_port(intel_dp)->port)))
return;
- }
wait_panel_power_cycle(intel_dp);
--
2.0.4
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