1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
new file mode 100644
index 000000000000..cf71394cc79c
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef __INTEL_CDCLK_H__
+#define __INTEL_CDCLK_H__
+
+#include <linux/types.h>
+
+#include "intel_display.h"
+
+struct drm_i915_private;
+struct intel_atomic_state;
+struct intel_cdclk_state;
+struct intel_crtc_state;
+
+struct intel_cdclk_vals {
+	u16 refclk;
+	u32 cdclk;
+	u8 divider;	/* CD2X divider * 2 */
+	u8 ratio;
+};
+
+int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state);
+void intel_cdclk_init(struct drm_i915_private *i915);
+void intel_cdclk_uninit(struct drm_i915_private *i915);
+void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv);
+void intel_update_max_cdclk(struct drm_i915_private *dev_priv);
+void intel_update_cdclk(struct drm_i915_private *dev_priv);
+void intel_update_rawclk(struct drm_i915_private *dev_priv);
+bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a,
+			       const struct intel_cdclk_state *b);
+void intel_cdclk_swap_state(struct intel_atomic_state *state);
+void
+intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv,
+				 const struct intel_cdclk_state *old_state,
+				 const struct intel_cdclk_state *new_state,
+				 enum pipe pipe);
+void
+intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv,
+				  const struct intel_cdclk_state *old_state,
+				  const struct intel_cdclk_state *new_state,
+				  enum pipe pipe);
+void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state,
+			    const char *context);
+int intel_modeset_calc_cdclk(struct intel_atomic_state *state);
+
+#endif /* __INTEL_CDCLK_H__ */