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From 39c5d49575ac3c80ab45bcf971ad093c738f98af Mon Sep 17 00:00:00 2001
From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com>
Date: Wed, 17 Jan 2018 13:24:28 -0500
Subject: [PATCH 3330/4131] drm/amd/display: Fixed non-native modes not
lighting up
There is no need to call drm_mode_set_crtcinfo() again once
crtc timing is decided. Otherwise non-native/unsupported timing
might get overwritten.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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 453f738..2a765b1 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2607,7 +2607,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
dm_state ? (dm_state->scaling != RMX_OFF) : false);
}
- drm_mode_set_crtcinfo(&mode, 0);
+ if (!dm_state)
+ drm_mode_set_crtcinfo(&mode, 0);
+
fill_stream_properties_from_drm_display_mode(stream,
&mode, &aconnector->base);
update_stream_scaling_settings(&mode, dm_state, stream);
--
2.7.4
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