drivers/gpu/drm/i915/display/intel_fb.h

   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
  11 struct drm_framebuffer;
  12
  13 struct drm_i915_private;
  14
  15 struct intel_fb_view;
  16 struct intel_framebuffer;
  17 struct intel_plane_state;
  18
  19 bool is_ccs_plane(const struct drm_framebuffer *fb, int plane);
  20 bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane);
  21 bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane);
  22 bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane);
  23
  24 bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane);
  25
  26 int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);
  27 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);
  28 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
  29
  30 unsigned int intel_tile_size(const struct drm_i915_private *i915);
  31 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
  32 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
  33 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
  34 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
  35                                    int color_plane, unsigned int height);
  36 unsigned int intel_cursor_alignment(const struct drm_i915_private *i915);
  37
  38 void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
  39                                     const struct drm_framebuffer *fb,
  40                                     int color_plane);
  41
  42 u32 intel_plane_adjust_aligned_offset(int *x, int *y,
  43                                       const struct intel_plane_state *state,
  44                                       int color_plane,
  45                                       u32 old_offset, u32 new_offset);
  46 u32 intel_plane_compute_aligned_offset(int *x, int *y,
  47                                        const struct intel_plane_state *state,
  48                                        int color_plane);
  49
  50 bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb);
  51 bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb);
  52
  53 int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb);
  54 void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
  55                         struct intel_fb_view *view);
  56 int intel_plane_compute_gtt(struct intel_plane_state *plane_state);
  57
  58 #endif /* __INTEL_FB_H__ */