[PATCH] drm/i915: Fix wrong return value in intel_atomic_check()

[Tianjia Zhang]

In the case of calling check_digital_port_conflicts() failed, a
negative error code -EINVAL should be returned.

Fixes: bf5da83e4bd80 ("drm/i915: Move check_digital_port_conflicts() earier")
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Tianjia Zhang <tianjia.zh...@linux.alibaba.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 26996e1839e2..9f3a7ef58aba 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -14872,7 +14872,7 @@ static int intel_atomic_check(struct drm_device *dev,
        if (any_ms && !check_digital_port_conflicts(state)) {
                drm_dbg_kms(&dev_priv->drm,
                            "rejecting conflicting digital port 
configuration\n");
-               ret = EINVAL;
+               ret = -EINVAL;
                goto fail;
        }
 
-- 
2.26.2