diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fb.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fb.h | 127 |
1 files changed, 127 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..22514d5f2bb6 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_fb.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020-2021 Intel Corporation + */ + +#ifndef __INTEL_FB_H__ +#define __INTEL_FB_H__ + +#include <linux/bits.h> +#include <linux/types.h> + +struct drm_device; +struct drm_file; +struct drm_framebuffer; +struct drm_gem_object; +struct drm_mode_fb_cmd2; +struct intel_display; +struct intel_fb_view; +struct intel_framebuffer; +struct intel_plane; +struct intel_plane_state; +struct intel_remapped_info; +struct intel_rotation_info; + +#define INTEL_PLANE_CAP_NONE 0 +#define INTEL_PLANE_CAP_CCS_RC BIT(0) +#define INTEL_PLANE_CAP_CCS_RC_CC BIT(1) +#define INTEL_PLANE_CAP_CCS_MC BIT(2) +#define INTEL_PLANE_CAP_TILING_X BIT(3) +#define INTEL_PLANE_CAP_TILING_Y BIT(4) +#define INTEL_PLANE_CAP_TILING_Yf BIT(5) +#define INTEL_PLANE_CAP_TILING_4 BIT(6) +#define INTEL_PLANE_CAP_NEED64K_PHYS BIT(7) + +bool intel_fb_is_tiled_modifier(u64 modifier); +bool intel_fb_is_ccs_modifier(u64 modifier); +bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier); +bool intel_fb_is_mc_ccs_modifier(u64 modifier); +bool intel_fb_needs_64k_phys(u64 modifier); +bool intel_fb_is_tile4_modifier(u64 modifier); + +bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane); +int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb); + +u64 *intel_fb_plane_get_modifiers(struct intel_display *display, + u8 plane_caps); +bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier); + +const struct drm_format_info * +intel_fb_get_format_info(u32 pixel_format, u64 modifier); + +bool +intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, + u64 modifier); + +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(struct intel_display *display); +unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); +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_fb_align_height(const struct drm_framebuffer *fb, + int color_plane, unsigned int height); + +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 *plane_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 *plane_state, + int color_plane); + +bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb); +bool intel_plane_uses_fence(const struct intel_plane_state *plane_state); +bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb); + +unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); +unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); + +int intel_fill_fb_info(struct intel_display *display, struct intel_framebuffer *fb); +void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation, + struct intel_fb_view *view); +unsigned int intel_fb_view_vtd_guard(const struct drm_framebuffer *fb, + const struct intel_fb_view *view, + unsigned int rotation); +int intel_plane_compute_gtt(struct intel_plane_state *plane_state); + +unsigned int intel_fb_xy_to_linear(int x, int y, + const struct intel_plane_state *plane_state, + int color_plane); +void intel_add_fb_offsets(int *x, int *y, + const struct intel_plane_state *plane_state, + int color_plane); + +int intel_framebuffer_init(struct intel_framebuffer *ifb, + struct drm_gem_object *obj, + const struct drm_format_info *info, + struct drm_mode_fb_cmd2 *mode_cmd); + +struct intel_framebuffer *intel_framebuffer_alloc(void); + +struct drm_framebuffer * +intel_framebuffer_create(struct drm_gem_object *obj, + const struct drm_format_info *info, + struct drm_mode_fb_cmd2 *mode_cmd); +struct drm_framebuffer * +intel_user_framebuffer_create(struct drm_device *dev, + struct drm_file *filp, + const struct drm_format_info *info, + const struct drm_mode_fb_cmd2 *user_mode_cmd); + +bool intel_fb_modifier_uses_dpt(struct intel_display *display, u64 modifier); +bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); + +unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier); + +struct drm_gem_object *intel_fb_bo(const struct drm_framebuffer *fb); + +#endif /* __INTEL_FB_H__ */ |