From 66b51b801d05ee54a0f23628cb8220189adb715e Mon Sep 17 00:00:00 2001
From: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Date: Sun, 2 Aug 2020 19:15:35 +0800
Subject: [PATCH] drm/i915: Fix wrong return value in intel_atomic_check()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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@linux.intel.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200802111535.5200-1-tianjia.zhang@linux.alibaba.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.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 db2a5a1a9b351..522c772a21117 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -14940,7 +14940,7 @@ 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;
 	}
 
-- 
GitLab