From 356ea83b1f46514d7ebc42a15e2b1969977703e3 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Thu, 30 Sep 2021 14:24:34 +0300
Subject: drm/i915/hdmi: return -EINVAL instead of -1
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Git-commit: 0743019d540d18e7a5db220bf4c4b95650aa8c9e
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Avoid using the incidental -EPERM.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8acf7ffe9222d23c7f47dbd95ff1f737221ff72c.1633000838.git.jani.nikula@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 1bc33766ed39..468a107aaabc 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -1703,7 +1703,7 @@ int intel_hdmi_hdcp2_read_msg(struct intel_digital_port *dig_port,
drm_dbg_kms(&i915->drm,
"msg_sz(%zd) is more than exp size(%zu)\n",
ret, size);
- return -1;
+ return -EINVAL;
}
offset = HDCP_2_2_HDMI_REG_RD_MSG_OFFSET;
--
2.38.1