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From 52b28a87980253648b092fa584ae9be4e67ecead Mon Sep 17 00:00:00 2001
From: Mykola Lysenko <Mykola.Lysenko@amd.com>
Date: Wed, 9 Dec 2015 20:03:01 +0800
Subject: [PATCH 0596/1110] drm/amd/dal: find proper connector in reset case
Find connector on reset properly, and allow reset mode occur for
MST connector.
It also remove warning messages seen previously
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Harry Wentland<harry.wentland@amd.com>
---
drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
index 6dc7ead..9f467eb 100644
--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
@@ -2115,6 +2115,16 @@ int amdgpu_dm_atomic_commit(
aconnector = to_amdgpu_connector(connector);
break;
}
+
+ /*
+ * this is the case when reset occur, connector is
+ * removed from new crtc state. We need to update
+ * connector state anyway. Access it from old_con_state
+ */
+ if (old_con_state->crtc == crtc) {
+ aconnector = to_amdgpu_connector(connector);
+ break;
+ }
}
/* handles headless hotplug case, updating new_state and
--
2.7.4
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