drivers/gpu/drm/i915/gt/intel_renderstate.h

   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
  29 struct i915_request;
  30 struct intel_engine_cs;
  31 struct i915_vma;
  32
  33 struct 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
  46 extern const struct intel_renderstate_rodata gen6_null_state;
  47 extern const struct intel_renderstate_rodata gen7_null_state;
  48 extern const struct intel_renderstate_rodata gen8_null_state;
  49 extern const struct intel_renderstate_rodata gen9_null_state;
  50
  51 struct 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
  60 int intel_renderstate_init(struct intel_renderstate *so,
  61                            struct intel_engine_cs *engine);
  62 int intel_renderstate_emit(struct intel_renderstate *so,
  63                            struct i915_request *rq);
  64 void intel_renderstate_fini(struct intel_renderstate *so);
  65
  66 #endif /* _INTEL_RENDERSTATE_H_ */