diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fb.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_fb.h | 54 |
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__ */ |