LXR linux/drivers/gpu/drm/i915/gt/intel

   1/*
   2 * Copyright © 2014 Intel Corporation
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice (including the next
  12 * paragraph) shall be included in all copies or substantial portions of the
  13 * Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 * DEALINGS IN THE SOFTWARE.
  22 */
  23
  24#ifndef _INTEL_RENDERSTATE_H_
  25#define _INTEL_RENDERSTATE_H_
  26
  27#include <linux/types.h>
  28
  29struct i915_request;
  30struct intel_engine_cs;
  31struct i915_vma;
  32
  33struct intel_renderstate_rodata {
  34        const u32 *reloc;
  35        const u32 *batch;
  36        const u32 batch_items;
  37};
  38
  39#define RO_RENDERSTATE(_g)                                              \
  40        const struct intel_renderstate_rodata gen ## _g ## _null_state = { \
  41                .reloc = gen ## _g ## _null_state_relocs,               \
  42                .batch = gen ## _g ## _null_state_batch,                \
  43                .batch_items = sizeof(gen ## _g ## _null_state_batch)/4, \
  44        }
  45
  46extern const struct intel_renderstate_rodata gen6_null_state;
  47extern const struct intel_renderstate_rodata gen7_null_state;
  48extern const struct intel_renderstate_rodata gen8_null_state;
  49extern const struct intel_renderstate_rodata gen9_null_state;
  50
  51struct intel_renderstate {
  52        const struct intel_renderstate_rodata *rodata;
  53        struct i915_vma *vma;
  54        u32 batch_offset;
  55        u32 batch_size;
  56        u32 aux_offset;
  57        u32 aux_size;
  58};
  59
  60int intel_renderstate_init(struct intel_renderstate *so,
  61                           struct intel_engine_cs *engine);
  62int intel_renderstate_emit(struct intel_renderstate *so,
  63                           struct i915_request *rq);
  64void intel_renderstate_fini(struct intel_renderstate *so);
  65
  66#endif /* _INTEL_RENDERSTATE_H_ */
  67