LXR linux/drivers/gpu/drm/i915/display/intel

   1/* SPDX-License-Identifier: MIT */
   2/*
   3 * Copyright © 2020-2021 Intel Corporation
   4 */
   5
   6#ifndef __INTEL_FB_H__
   7#define __INTEL_FB_H__
   8
   9#include <linux/types.h>
  10
  11struct drm_framebuffer;
  12
  13struct drm_i915_private;
  14
  15struct intel_fb_view;
  16struct intel_framebuffer;
  17struct intel_plane_state;
  18
  19bool is_ccs_plane(const struct drm_framebuffer *fb, int plane);
  20bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane);
  21bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane);
  22bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane);
  23
  24bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane);
  25
  26int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);
  27int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);
  28int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
  29
  30unsigned int intel_tile_size(const struct drm_i915_private *i915);
  31unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
  32unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
  33
  34unsigned int intel_cursor_alignment(const struct drm_i915_private *i915);
  35
  36void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
  37                                    const struct drm_framebuffer *fb,
  38                                    int color_plane);
  39
  40u32 intel_plane_adjust_aligned_offset(int *x, int *y,
  41                                      const struct intel_plane_state *state,
  42                                      int color_plane,
  43                                      u32 old_offset, u32 new_offset);
  44u32 intel_plane_compute_aligned_offset(int *x, int *y,
  45                                       const struct intel_plane_state *state,
  46                                       int color_plane);
  47
  48bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb);
  49bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb);
  50
  51int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb);
  52void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
  53                        struct intel_fb_view *view);
  54int intel_plane_compute_gtt(struct intel_plane_state *plane_state);
  55
  56#endif /* __INTEL_FB_H__ */
  57