Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_link_bw.h b/drivers/gpu/drm/i915/display/intel_link_bw.h
new file mode 100644
index 000000000..e07df22a7
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_link_bw.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef __INTEL_LINK_BW_H__
+#define __INTEL_LINK_BW_H__
+
+#include <linux/types.h>
+
+#include "intel_display_limits.h"
+
+struct drm_i915_private;
+
+struct intel_atomic_state;
+struct intel_crtc_state;
+
+struct intel_link_bw_limits {
+	u8 bpp_limit_reached_pipes;
+	/* in 1/16 bpp units */
+	int max_bpp_x16[I915_MAX_PIPES];
+};
+
+void intel_link_bw_init_limits(struct drm_i915_private *i915,
+			       struct intel_link_bw_limits *limits);
+int intel_link_bw_reduce_bpp(struct intel_atomic_state *state,
+			     struct intel_link_bw_limits *limits,
+			     u8 pipe_mask,
+			     const char *reason);
+bool intel_link_bw_set_bpp_limit_for_pipe(struct intel_atomic_state *state,
+					  const struct intel_link_bw_limits *old_limits,
+					  struct intel_link_bw_limits *new_limits,
+					  enum pipe pipe);
+int intel_link_bw_atomic_check(struct intel_atomic_state *state,
+			       struct intel_link_bw_limits *new_limits);
+
+#endif