[PATCH] drm/i915/display: handle return value in intel_sdvo_enable_hotplug

[Juha-Pekka Heikkila]

Report in log if intel_sdvo_enable_hotplug failed

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
---
 drivers/gpu/drm/i915/display/intel_sdvo.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c 
b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 87aff2754f69..99a5ef1401a8 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -2052,8 +2052,10 @@ static void intel_sdvo_enable_hotplug(struct 
intel_encoder *encoder)
 {
        struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
 
-       intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-                            &intel_sdvo->hotplug_active, 2);
+       if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
+                                 &intel_sdvo->hotplug_active, 2))
+               drm_warn(intel_sdvo->base.base.dev,
+                        "Failed to enable hotplug on SDVO encoder\n");
 }
 
 static enum intel_hotplug_state
-- 
2.43.0