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From a76e3d3d7dba20ef3a2b04572d471cddc0fd03ec Mon Sep 17 00:00:00 2001
From: "Leo (Sunpeng) Li" <sunpeng.li@amd.com>
Date: Thu, 9 Nov 2017 15:33:43 -0500
Subject: [PATCH 2781/4131] drm/amd/display: Trigger full update on plane
change
With the optimized DCN10 frontend programming code, things are
programmed only when requested. For now, trigger a full update on all
plane changes.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 1498996..28b5c96 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5160,6 +5160,11 @@ static int dm_update_planes_state(struct dc *dc,
return ret;
}
+ /* Tell DC to do a full surface update every time there
+ * is a plane change. Inefficient, but works for now.
+ */
+ dm_new_plane_state->dc_state->update_flags.bits.full_update = 1;
+
*lock_and_validation_needed = true;
}
}
--
2.7.4
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