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Date:   Sun,  2 Aug 2020 19:15:35 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, airlied@...ux.ie, daniel@...ll.ch,
        ville.syrjala@...ux.intel.com, jose.souza@...el.com,
        maarten.lankhorst@...ux.intel.com, chris@...is-wilson.co.uk,
        manasi.d.navare@...el.com, wambui.karugax@...il.com,
        stanislav.lisovskiy@...el.com
Cc:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, tianjia.zhang@...baba.com
Subject: [PATCH] drm/i915: Fix wrong return value in intel_atomic_check()

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.syrjala@...ux.intel.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.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

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