1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.h b/drivers/gpu/drm/i915/display/skl_watermark.h
new file mode 100644
index 000000000000..7a5a4e67cd73
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/skl_watermark.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __SKL_WATERMARK_H__
+#define __SKL_WATERMARK_H__
+
+#include <linux/types.h>
+
+#include "intel_display.h"
+#include "intel_global_state.h"
+#include "intel_pm_types.h"
+
+struct drm_i915_private;
+struct intel_atomic_state;
+struct intel_bw_state;
+struct intel_crtc;
+struct intel_crtc_state;
+struct intel_plane;
+
+u8 intel_enabled_dbuf_slices_mask(struct drm_i915_private *i915);
+
+void intel_sagv_pre_plane_update(struct intel_atomic_state *state);
+void intel_sagv_post_plane_update(struct intel_atomic_state *state);
+bool intel_can_enable_sagv(struct drm_i915_private *i915,
+			   const struct intel_bw_state *bw_state);
+
+u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *i915,
+			    const struct skl_ddb_entry *entry);
+
+void skl_write_plane_wm(struct intel_plane *plane,
+			const struct intel_crtc_state *crtc_state);
+void skl_write_cursor_wm(struct intel_plane *plane,
+			 const struct intel_crtc_state *crtc_state);
+
+bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
+				 const struct skl_ddb_entry *entries,
+				 int num_entries, int ignore_idx);
+
+void skl_wm_get_hw_state(struct drm_i915_private *i915);
+void skl_wm_sanitize(struct drm_i915_private *i915);
+
+void intel_wm_state_verify(struct intel_crtc *crtc,
+			   struct intel_crtc_state *new_crtc_state);
+
+void skl_watermark_ipc_init(struct drm_i915_private *i915);
+void skl_watermark_ipc_update(struct drm_i915_private *i915);
+bool skl_watermark_ipc_enabled(struct drm_i915_private *i915);
+void skl_watermark_ipc_debugfs_register(struct drm_i915_private *i915);
+
+void skl_wm_init(struct drm_i915_private *i915);
+
+struct intel_dbuf_state {
+	struct intel_global_state base;
+
+	struct skl_ddb_entry ddb[I915_MAX_PIPES];
+	unsigned int weight[I915_MAX_PIPES];
+	u8 slices[I915_MAX_PIPES];
+	u8 enabled_slices;
+	u8 active_pipes;
+	bool joined_mbus;
+};
+
+struct intel_dbuf_state *
+intel_atomic_get_dbuf_state(struct intel_atomic_state *state);
+
+#define to_intel_dbuf_state(x) container_of((x), struct intel_dbuf_state, base)
+#define intel_atomic_get_old_dbuf_state(state) \
+	to_intel_dbuf_state(intel_atomic_get_old_global_obj_state(state, &to_i915(state->base.dev)->display.dbuf.obj))
+#define intel_atomic_get_new_dbuf_state(state) \
+	to_intel_dbuf_state(intel_atomic_get_new_global_obj_state(state, &to_i915(state->base.dev)->display.dbuf.obj))
+
+int intel_dbuf_init(struct drm_i915_private *i915);
+void intel_dbuf_pre_plane_update(struct intel_atomic_state *state);
+void intel_dbuf_post_plane_update(struct intel_atomic_state *state);
+void intel_mbus_dbox_update(struct intel_atomic_state *state);
+
+#endif /* __SKL_WATERMARK_H__ */
+