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

   1 /* SPDX-License-Identifier: MIT
   2  *
   3  * Copyright © 2023 Intel Corporation
   4  */
   5
   6 #ifndef _INTEL_DSB_BUFFER_H
   7 #define _INTEL_DSB_BUFFER_H
   8
   9 #include <linux/types.h>
  10
  11 struct intel_crtc;
  12 struct i915_vma;
  13
  14 struct intel_dsb_buffer {
  15         u32 *cmd_buf;
  16         struct i915_vma *vma;
  17         size_t buf_size;
  18 };
  19
  20 u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf);
  21 void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val);
  22 u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx);
  23 void intel_dsb_buffer_memset(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size);
  24 bool intel_dsb_buffer_create(struct intel_crtc *crtc, struct intel_dsb_buffer *dsb_buf,
  25                              size_t size);
  26 void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf);
  27 void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf);
  28
  29 #endif