1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pmdemand.h b/drivers/gpu/drm/i915/display/intel_pmdemand.h
new file mode 100644
index 000000000000..2941a1a18b72
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_pmdemand.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef __INTEL_PMDEMAND_H__
+#define __INTEL_PMDEMAND_H__
+
+#include "intel_display_limits.h"
+#include "intel_global_state.h"
+
+struct drm_i915_private;
+struct intel_atomic_state;
+struct intel_crtc_state;
+struct intel_encoder;
+struct intel_plane_state;
+
+struct pmdemand_params {
+	u16 qclk_gv_bw;
+	u8 voltage_index;
+	u8 qclk_gv_index;
+	u8 active_pipes;
+	u8 active_dbufs;
+	/* Total number of non type C active phys from active_phys_mask */
+	u8 active_phys;
+	u8 plls;
+	u16 cdclk_freq_mhz;
+	/* max from ddi_clocks[] */
+	u16 ddiclk_max;
+	u8 scalers;
+};
+
+struct intel_pmdemand_state {
+	struct intel_global_state base;
+
+	/* Maintain a persistent list of port clocks across all crtcs */
+	int ddi_clocks[I915_MAX_PIPES];
+
+	/* Maintain a persistent list of non type C phys mask */
+	u16 active_combo_phys_mask;
+
+	/* Parameters to be configured in the pmdemand registers */
+	struct pmdemand_params params;
+};
+
+#define to_intel_pmdemand_state(x) container_of((x), \
+						struct intel_pmdemand_state, \
+						base)
+
+void intel_pmdemand_init_early(struct drm_i915_private *i915);
+int intel_pmdemand_init(struct drm_i915_private *i915);
+void intel_pmdemand_init_pmdemand_params(struct drm_i915_private *i915,
+					 struct intel_pmdemand_state *pmdemand_state);
+void intel_pmdemand_update_port_clock(struct drm_i915_private *i915,
+				      struct intel_pmdemand_state *pmdemand_state,
+				      enum pipe pipe, int port_clock);
+void intel_pmdemand_update_phys_mask(struct drm_i915_private *i915,
+				     struct intel_encoder *encoder,
+				     struct intel_pmdemand_state *pmdemand_state,
+				     bool clear_bit);
+void intel_pmdemand_program_dbuf(struct drm_i915_private *i915,
+				 u8 dbuf_slices);
+void intel_pmdemand_pre_plane_update(struct intel_atomic_state *state);
+void intel_pmdemand_post_plane_update(struct intel_atomic_state *state);
+int intel_pmdemand_atomic_check(struct intel_atomic_state *state);
+
+#endif /* __INTEL_PMDEMAND_H__ */