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From e519fa7e8972bc3556382eb6168705c82c561882 Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Wed, 16 Jan 2019 15:44:08 -0500
Subject: [PATCH 1165/2940] test patch for hpd dpms check
Change-Id: Id97a00720acd9d8d3a0e0a8df812640582fa191c
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f70d38361028..33f623d1150b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1179,6 +1179,9 @@ static void handle_hpd_irq(void *param)
if (aconnector->fake_enable)
aconnector->fake_enable = false;
+ if (aconnector->base.dpms != DRM_MODE_DPMS_ON)
+ goto unlock;
+
if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
DRM_ERROR("KMS: Failed to detect connector\n");
@@ -1204,6 +1207,8 @@ static void handle_hpd_irq(void *param)
if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
drm_kms_helper_hotplug_event(dev);
}
+
+unlock:
mutex_unlock(&aconnector->hpd_lock);
}
--
2.17.1
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