From fef6e24c8b0243c3c43723949091cf999bb39c56 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Sun, 31 Mar 2019 22:13:57 +0800 Subject: drm/amdgpu: add initial support for sdma v5.0 (v6) SDMA (System DMA) is a general purpose DMA engine usable by UMDs for transfers or the kernel for paging or GPUVM updates. v1: support basic funcitonalites includes rb, ib, vm, copy buffer and trap irq v2: convert to use new get_vm_pde in emit_vm_flush v3: retire amdgpu_ttm_set_active_vram_size from sdma v5 v4: retire the redundant hdp_invalidate implementation v5: squash in updates v6: some golden regs moved to vbios Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h | 45 ++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h') diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h new file mode 100644 index 000000000000..d5a94e3d181c --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h @@ -0,0 +1,45 @@ +/* + * Copyright 2019 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 __SDMA_V5_0_H__ +#define __SDMA_V5_0_H__ + +enum sdma_v5_0_utcl2_cache_read_policy { + CACHE_READ_POLICY_L2__LRU = 0x00000000, + CACHE_READ_POLICY_L2__STREAM = 0x00000001, + CACHE_READ_POLICY_L2__NOA = 0x00000002, + CACHE_READ_POLICY_L2__DEFAULT = CACHE_READ_POLICY_L2__NOA, +}; + +enum sdma_v5_0_utcl2_cache_write_policy { + CACHE_WRITE_POLICY_L2__LRU = 0x00000000, + CACHE_WRITE_POLICY_L2__STREAM = 0x00000001, + CACHE_WRITE_POLICY_L2__NOA = 0x00000002, + CACHE_WRITE_POLICY_L2__BYPASS = 0x00000003, + CACHE_WRITE_POLICY_L2__DEFAULT = CACHE_WRITE_POLICY_L2__BYPASS, +}; + +extern const struct amd_ip_funcs sdma_v5_0_ip_funcs; +extern const struct amdgpu_ip_block_version sdma_v5_0_ip_block; + +#endif /* __SDMA_V5_0_H__ */ -- cgit v1.2.3