diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h new file mode 100644 index 000000000000..c3f4e85594ff --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gds.h @@ -0,0 +1,72 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef __AMDGPU_GDS_H__ +#define __AMDGPU_GDS_H__ + +/* Because TTM request that alloacted buffer should be PAGE_SIZE aligned, + * we should report GDS/GWS/OA size as PAGE_SIZE aligned + * */ +#define AMDGPU_GDS_SHIFT 2 +#define AMDGPU_GWS_SHIFT PAGE_SHIFT +#define AMDGPU_OA_SHIFT PAGE_SHIFT + +#define AMDGPU_PL_GDS TTM_PL_PRIV0 +#define AMDGPU_PL_GWS TTM_PL_PRIV1 +#define AMDGPU_PL_OA TTM_PL_PRIV2 + +#define AMDGPU_PL_FLAG_GDS TTM_PL_FLAG_PRIV0 +#define AMDGPU_PL_FLAG_GWS TTM_PL_FLAG_PRIV1 +#define AMDGPU_PL_FLAG_OA TTM_PL_FLAG_PRIV2 + +struct amdgpu_ring; +struct amdgpu_bo; + +struct amdgpu_gds_asic_info { + uint32_t total_size; + uint32_t gfx_partition_size; + uint32_t cs_partition_size; +}; + +struct amdgpu_gds { + struct amdgpu_gds_asic_info mem; + struct amdgpu_gds_asic_info gws; + struct amdgpu_gds_asic_info oa; + /* At present, GDS, GWS and OA resources for gfx (graphics) + * is always pre-allocated and available for graphics operation. + * Such resource is shared between all gfx clients. + * TODO: move this operation to user space + * */ + struct amdgpu_bo* gds_gfx_bo; + struct amdgpu_bo* gws_gfx_bo; + struct amdgpu_bo* oa_gfx_bo; +}; + +struct amdgpu_gds_reg_offset { + uint32_t mem_base; + uint32_t mem_size; + uint32_t gws; + uint32_t oa; +}; + +#endif /* __AMDGPU_GDS_H__ */ |