[PATCH 5.15 06/96] drm/amd/display: Add wrapper to call planes and stream update

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

From: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>

commit 81f743a08f3b214638aa389e252ae5e6c3592e7c upstream.

[Why & How]
This commit is part of a sequence of changes that replaces the commit
sequence used in the DC with a new one. As a result of this transition,
we moved some specific parts from the commit sequence and brought them
to amdgpu_dm. This commit adds a wrapper inside DM that enable our
drivers to do any necessary preparation or change before we offload the
plane/stream update to DC.

Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |   51 +++++++++++++++++-----
 1 file changed, 41 insertions(+), 10 deletions(-)

--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -354,6 +354,35 @@ static inline bool is_dc_timing_adjust_n
 }
 
 /**
+ * update_planes_and_stream_adapter() - Send planes to be updated in DC
+ *
+ * DC has a generic way to update planes and stream via
+ * dc_update_planes_and_stream function; however, DM might need some
+ * adjustments and preparation before calling it. This function is a wrapper
+ * for the dc_update_planes_and_stream that does any required configuration
+ * before passing control to DC.
+ */
+static inline bool update_planes_and_stream_adapter(struct dc *dc,
+						    int update_type,
+						    int planes_count,
+						    struct dc_stream_state *stream,
+						    struct dc_stream_update *stream_update,
+						    struct dc_surface_update *array_of_surface_update)
+{
+	/*
+	 * Previous frame finished and HW is ready for optimization.
+	 */
+	if (update_type == UPDATE_TYPE_FAST)
+		dc_post_update_surfaces_to_stream(dc);
+
+	return dc_update_planes_and_stream(dc,
+					   array_of_surface_update,
+					   planes_count,
+					   stream,
+					   stream_update);
+}
+
+/**
  * dm_pflip_high_irq() - Handle pageflip interrupt
  * @interrupt_params: ignored
  *
@@ -2551,11 +2580,12 @@ static void dm_gpureset_commit_state(str
 				true;
 		}
 
-		dc_update_planes_and_stream(dm->dc,
-			bundle->surface_updates,
-			dc_state->stream_status->plane_count,
-			dc_state->streams[k],
-			&bundle->stream_update);
+		update_planes_and_stream_adapter(dm->dc,
+					 UPDATE_TYPE_FULL,
+					 dc_state->stream_status->plane_count,
+					 dc_state->streams[k],
+					 &bundle->stream_update,
+					 bundle->surface_updates);
 	}
 
 cleanup:
@@ -9240,11 +9270,12 @@ static void amdgpu_dm_commit_planes(stru
 		}
 		mutex_lock(&dm->dc_lock);
 
-		dc_update_planes_and_stream(dm->dc,
-					    bundle->surface_updates,
-					    planes_count,
-					    acrtc_state->stream,
-					    &bundle->stream_update);
+		update_planes_and_stream_adapter(dm->dc,
+					 acrtc_state->update_type,
+					 planes_count,
+					 acrtc_state->stream,
+					 &bundle->stream_update,
+					 bundle->surface_updates);
 
 		/**
 		 * Enable or disable the interrupts on the backend.