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/bits.h>
  10 #include <linux/types.h>
  11
  12 struct drm_device;
  13 struct drm_file;
  14 struct drm_framebuffer;
  15 struct drm_i915_gem_object;
  16 struct drm_i915_private;
  17 struct drm_mode_fb_cmd2;
  18 struct intel_fb_view;
  19 struct intel_framebuffer;
  20 struct intel_plane;
  21 struct intel_plane_state;
  22
  23 #define INTEL_PLANE_CAP_NONE            0
  24 #define INTEL_PLANE_CAP_CCS_RC          BIT(0)
  25 #define INTEL_PLANE_CAP_CCS_RC_CC       BIT(1)
  26 #define INTEL_PLANE_CAP_CCS_MC          BIT(2)
  27 #define INTEL_PLANE_CAP_TILING_X        BIT(3)
  28 #define INTEL_PLANE_CAP_TILING_Y        BIT(4)
  29 #define INTEL_PLANE_CAP_TILING_Yf       BIT(5)
  30 #define INTEL_PLANE_CAP_TILING_4        BIT(6)
  31
  32 bool intel_fb_is_ccs_modifier(u64 modifier);
  33 bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier);
  34 bool intel_fb_is_mc_ccs_modifier(u64 modifier);
  35
  36 bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane);
  37 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);
  38
  39 u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915,
  40                                   u8 plane_caps);
  41 bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier);
  42
  43 const struct drm_format_info *
  44 intel_fb_get_format_info(const struct drm_mode_fb_cmd2 *cmd);
  45
  46 bool
  47 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
  48                                     u64 modifier);
  49
  50 bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane);
  51
  52 int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);
  53 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);
  54 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
  55
  56 unsigned int intel_tile_size(const struct drm_i915_private *i915);
  57 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
  58 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
  59 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
  60 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
  61                                    int color_plane, unsigned int height);
  62 unsigned int intel_cursor_alignment(const struct drm_i915_private *i915);
  63 unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
  64                                   int color_plane);
  65
  66 void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
  67                                     const struct drm_framebuffer *fb,
  68                                     int color_plane);
  69
  70 u32 intel_plane_adjust_aligned_offset(int *x, int *y,
  71                                       const struct intel_plane_state *state,
  72                                       int color_plane,
  73                                       u32 old_offset, u32 new_offset);
  74 u32 intel_plane_compute_aligned_offset(int *x, int *y,
  75                                        const struct intel_plane_state *state,
  76                                        int color_plane);
  77
  78 bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb);
  79 bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb);
  80
  81 int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb);
  82 void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
  83                         struct intel_fb_view *view);
  84 int intel_plane_compute_gtt(struct intel_plane_state *plane_state);
  85
  86 int intel_framebuffer_init(struct intel_framebuffer *ifb,
  87                            struct drm_i915_gem_object *obj,
  88                            struct drm_mode_fb_cmd2 *mode_cmd);
  89 struct drm_framebuffer *
  90 intel_user_framebuffer_create(struct drm_device *dev,
  91                               struct drm_file *filp,
  92                               const struct drm_mode_fb_cmd2 *user_mode_cmd);
  93
  94 bool intel_fb_uses_dpt(const struct drm_framebuffer *fb);
  95
  96 #endif /* __INTEL_FB_H__ */