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From 8d16edebdc6c5732834d432cf0cd93382550d180 Mon Sep 17 00:00:00 2001
From: David Francis <David.Francis@amd.com>
Date: Thu, 3 Jan 2019 14:38:06 -0500
Subject: [PATCH 1137/2940] drm/amd/display: Let updates with no scaling
changes be fast
[Why]
DC was assuming that any surface_update->scaling_info
meant the update was at least medium. However, if nothing
has changed there is no scaling to program, so there is
no problem with the update being fast
[How]
If every update flag is not set, the update is fast
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 61e8603e47fd..aa84039b0522 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1240,7 +1240,7 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa
|| update_flags->bits.output_tf_change)
return UPDATE_TYPE_FULL;
- return UPDATE_TYPE_MED;
+ return update_flags->raw ? UPDATE_TYPE_MED : UPDATE_TYPE_FAST;
}
static enum surface_update_type get_scaling_info_update_type(
--
2.17.1
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