1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/hsw_ips.h b/drivers/gpu/drm/i915/display/hsw_ips.h
new file mode 100644
index 000000000000..7af12f88a8ce
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/hsw_ips.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __HSW_IPS_H__
+#define __HSW_IPS_H__
+
+#include <linux/types.h>
+
+struct intel_atomic_state;
+struct intel_crtc;
+struct intel_crtc_state;
+
+#ifdef I915
+bool hsw_ips_disable(const struct intel_crtc_state *crtc_state);
+bool hsw_ips_pre_update(struct intel_atomic_state *state,
+			struct intel_crtc *crtc);
+void hsw_ips_post_update(struct intel_atomic_state *state,
+			 struct intel_crtc *crtc);
+bool hsw_crtc_supports_ips(struct intel_crtc *crtc);
+int hsw_ips_min_cdclk(const struct intel_crtc_state *crtc_state);
+int hsw_ips_compute_config(struct intel_atomic_state *state,
+			   struct intel_crtc *crtc);
+void hsw_ips_get_config(struct intel_crtc_state *crtc_state);
+void hsw_ips_crtc_debugfs_add(struct intel_crtc *crtc);
+#else
+static inline bool hsw_ips_disable(const struct intel_crtc_state *crtc_state)
+{
+	return false;
+}
+static inline bool hsw_ips_pre_update(struct intel_atomic_state *state,
+				      struct intel_crtc *crtc)
+{
+	return false;
+}
+static inline void hsw_ips_post_update(struct intel_atomic_state *state,
+				       struct intel_crtc *crtc)
+{
+}
+static inline bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
+{
+	return false;
+}
+static inline int hsw_ips_min_cdclk(const struct intel_crtc_state *crtc_state)
+{
+	return 0;
+}
+static inline int hsw_ips_compute_config(struct intel_atomic_state *state,
+					 struct intel_crtc *crtc)
+{
+	return 0;
+}
+static inline void hsw_ips_get_config(struct intel_crtc_state *crtc_state)
+{
+}
+static inline void hsw_ips_crtc_debugfs_add(struct intel_crtc *crtc)
+{
+}
+#endif
+
+#endif /* __HSW_IPS_H__ */