1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
new file mode 100644
index 000000000..46c6eecbd
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_bw.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef __INTEL_BW_H__
+#define __INTEL_BW_H__
+
+#include <drm/drm_atomic.h>
+
+#include "intel_display.h"
+#include "intel_display_power.h"
+#include "intel_global_state.h"
+
+struct drm_i915_private;
+struct intel_atomic_state;
+struct intel_crtc_state;
+
+struct intel_dbuf_bw {
+	int used_bw[I915_MAX_DBUF_SLICES];
+};
+
+struct intel_bw_state {
+	struct intel_global_state base;
+	struct intel_dbuf_bw dbuf_bw[I915_MAX_PIPES];
+
+	/*
+	 * Contains a bit mask, used to determine, whether correspondent
+	 * pipe allows SAGV or not.
+	 */
+	u8 pipe_sagv_reject;
+
+	/*
+	 * Current QGV points mask, which restricts
+	 * some particular SAGV states, not to confuse
+	 * with pipe_sagv_mask.
+	 */
+	u8 qgv_points_mask;
+
+	unsigned int data_rate[I915_MAX_PIPES];
+	u8 num_active_planes[I915_MAX_PIPES];
+
+	/* bitmask of active pipes */
+	u8 active_pipes;
+
+	int min_cdclk;
+};
+
+#define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
+
+struct intel_bw_state *
+intel_atomic_get_old_bw_state(struct intel_atomic_state *state);
+
+struct intel_bw_state *
+intel_atomic_get_new_bw_state(struct intel_atomic_state *state);
+
+struct intel_bw_state *
+intel_atomic_get_bw_state(struct intel_atomic_state *state);
+
+void intel_bw_init_hw(struct drm_i915_private *dev_priv);
+int intel_bw_init(struct drm_i915_private *dev_priv);
+int intel_bw_atomic_check(struct intel_atomic_state *state);
+void intel_bw_crtc_update(struct intel_bw_state *bw_state,
+			  const struct intel_crtc_state *crtc_state);
+int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
+				  u32 points_mask);
+int intel_bw_calc_min_cdclk(struct intel_atomic_state *state);
+int skl_bw_calc_min_cdclk(struct intel_atomic_state *state);
+
+#endif /* __INTEL_BW_H__ */