macbook: aquamarine immediate legacy cursor moves (patch file)

patches/aquamarine-legacy-cursor.patch

@@ -0,0 +1,22 @@
+--- a/src/backend/drm/impl/Legacy.cpp
++++ b/src/backend/drm/impl/Legacy.cpp
+@@ -18,6 +18,10 @@
+     if (!connector->output->cursorVisible || !connector->output->state->state().enabled || !connector->crtc || !connector->crtc->cursor)
+         return true;
+ 
++    // move the cursor plane immediately via the legacy ioctl instead of
++    // waiting for the next vblank-bound commit
++    drmModeMoveCursor(connector->backend->gpu->fd, connector->crtc->id, (int)connector->output->cursorPos.x, (int)connector->output->cursorPos.y);
++
+     if (!skipSchedule)
+         connector->output->scheduleFrame(IOutput::AQ_SCHEDULE_CURSOR_MOVE);
+ 
+@@ -123,7 +127,7 @@
+             connector->backend->backend->log(AQ_LOG_ERROR, std::format("legacy drm: cursor drmIoctl failed: {}", strerror(errno)));
+             return false;
+         }
+-    } else if (drmModeSetCursor(connector->backend->gpu->fd, connector->crtc->id, 0, 0, 0))
++    } else if (!connector->output->cursorVisible && drmModeSetCursor(connector->backend->gpu->fd, connector->crtc->id, 0, 0, 0))
+         connector->backend->backend->log(AQ_LOG_ERROR, "legacy drm: cursor null failed");
+ 
+     if (!enable)