drm/amd/display: Add wrapper to call planes and stream update
authorjsg <jsg@openbsd.org>
Wed, 5 Jul 2023 10:38:11 +0000 (10:38 +0000)
committerjsg <jsg@openbsd.org>
Wed, 5 Jul 2023 10:38:11 +0000 (10:38 +0000)
From Rodrigo Siqueira
e538342002cbe468224f71b7ae116586e55c1134 in linux-6.1.y/6.1.36
81f743a08f3b214638aa389e252ae5e6c3592e7c in mainline linux

sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c

index fc0e324..dc46e09 100644 (file)
@@ -348,6 +348,35 @@ static inline bool is_dc_timing_adjust_needed(struct dm_crtc_state *old_state,
                return false;
 }
 
+/**
+ * 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
@@ -2635,11 +2664,12 @@ static void dm_gpureset_commit_state(struct dc_state *dc_state,
                                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:
@@ -7893,11 +7923,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
                                acrtc_state->stream->link->psr_settings.psr_allow_active)
                        amdgpu_dm_psr_disable(acrtc_state->stream);
 
-               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.