1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h
new file mode 100644
index 000000000000..6acf792a8c44
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_fb.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020-2021 Intel Corporation
+ */
+
+#ifndef __INTEL_FB_H__
+#define __INTEL_FB_H__
+
+#include <linux/types.h>
+
+struct drm_framebuffer;
+
+struct drm_i915_private;
+
+struct intel_fb_view;
+struct intel_framebuffer;
+struct intel_plane_state;
+
+bool is_ccs_plane(const struct drm_framebuffer *fb, int plane);
+bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane);
+bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane);
+bool is_aux_plane(const struct drm_framebuffer *fb, int plane);
+bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane);
+
+bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane);
+
+int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);
+int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);
+int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
+
+unsigned int intel_tile_size(const struct drm_i915_private *i915);
+unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
+unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
+
+unsigned int intel_cursor_alignment(const struct drm_i915_private *i915);
+
+void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
+				    const struct drm_framebuffer *fb,
+				    int color_plane);
+
+u32 intel_plane_adjust_aligned_offset(int *x, int *y,
+				      const struct intel_plane_state *state,
+				      int color_plane,
+				      u32 old_offset, u32 new_offset);
+u32 intel_plane_compute_aligned_offset(int *x, int *y,
+				       const struct intel_plane_state *state,
+				       int color_plane);
+
+int intel_fill_fb_info(struct drm_i915_private *i915, struct drm_framebuffer *fb);
+void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
+			struct intel_fb_view *view);
+int intel_plane_compute_gtt(struct intel_plane_state *plane_state);
+
+#endif /* __INTEL_FB_H__ */