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drm/amd/display: Let updates with no scaling changes be fast

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[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>
This commit is contained in:
David Francis 2019-01-03 14:38:06 -05:00 committed by Alex Deucher
parent b970864876
commit 4ef9f1ec83
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -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(