From 2bc956ef54415e0f7240ebb6d269c5ec1e12a46d Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Fri, 27 Mar 2020 00:38:05 +0800 Subject: [PATCH] drm/amdgpu: add the per-context meta data v3 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The per-context meta data is a per-context data structure associated with a mes-managed hardware ring, which includes MCBP CSA, ring buffer and etc. v2: fix typo v3: a. use structure instead of typedef b. move amdgpu_mes_ctx_get_offs_* to amdgpu_ring.h c. use __aligned to make alignement Signed-off-by: Jack Xiao Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_mes_ctx.h | 118 ++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 9 +++ 3 files changed, 128 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_mes_ctx.h diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index b31321b..c10c3d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -91,6 +91,7 @@ #include "amdgpu_dm.h" #include "amdgpu_virt.h" #include "amdgpu_csa.h" +#include "amdgpu_mes_ctx.h" #include "amdgpu_gart.h" #include "amdgpu_debugfs.h" #include "amdgpu_job.h" diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes_ctx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes_ctx.h new file mode 100644 index 0000000..f3e1ba1 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes_ctx.h @@ -0,0 +1,118 @@ +/* + * 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 __AMDGPU_MES_CTX_H__ +#define __AMDGPU_MES_CTX_H__ + +#include "v10_structs.h" + +enum { + AMDGPU_MES_CTX_RPTR_OFFS = 0, + AMDGPU_MES_CTX_WPTR_OFFS, + AMDGPU_MES_CTX_FENCE_OFFS, + AMDGPU_MES_CTX_COND_EXE_OFFS, + AMDGPU_MES_CTX_TRAIL_FENCE_OFFS, + AMDGPU_MES_CTX_MAX_OFFS, +}; + +enum { + AMDGPU_MES_CTX_RING_OFFS = AMDGPU_MES_CTX_MAX_OFFS, + AMDGPU_MES_CTX_IB_OFFS, + AMDGPU_MES_CTX_PADDING_OFFS, +}; + +#define AMDGPU_MES_CTX_MAX_GFX_RINGS 1 +#define AMDGPU_MES_CTX_MAX_COMPUTE_RINGS 4 +#define AMDGPU_MES_CTX_MAX_SDMA_RINGS 2 +#define AMDGPU_MES_CTX_MAX_RINGS \ + (AMDGPU_MES_CTX_MAX_GFX_RINGS + \ + AMDGPU_MES_CTX_MAX_COMPUTE_RINGS + \ + AMDGPU_MES_CTX_MAX_SDMA_RINGS) + +#define AMDGPU_CSA_SDMA_SIZE 64 +#define GFX10_MEC_HPD_SIZE 2048 + +struct amdgpu_wb_slot { + uint32_t data[8]; +}; + +struct amdgpu_mes_ctx_meta_data { + struct { + uint8_t ring[PAGE_SIZE * 4]; + + /* gfx csa */ + struct v10_gfx_meta_data gfx_meta_data; + + uint8_t gds_backup[64 * 1024]; + + struct amdgpu_wb_slot slots[AMDGPU_MES_CTX_MAX_OFFS]; + + /* only for ib test */ + uint32_t ib[256] __aligned(256); + + uint32_t padding[64]; + + } __aligned(PAGE_SIZE) gfx[AMDGPU_MES_CTX_MAX_GFX_RINGS]; + + struct { + uint8_t ring[PAGE_SIZE * 4]; + + uint8_t mec_hpd[GFX10_MEC_HPD_SIZE]; + + struct amdgpu_wb_slot slots[AMDGPU_MES_CTX_MAX_OFFS]; + + /* only for ib test */ + uint32_t ib[256] __aligned(256); + + uint32_t padding[64]; + + } __aligned(PAGE_SIZE) compute[AMDGPU_MES_CTX_MAX_COMPUTE_RINGS]; + + struct { + uint8_t ring[PAGE_SIZE * 4]; + + /* sdma csa for mcbp */ + uint8_t sdma_meta_data[AMDGPU_CSA_SDMA_SIZE]; + + struct amdgpu_wb_slot slots[AMDGPU_MES_CTX_MAX_OFFS]; + + /* only for ib test */ + uint32_t ib[256] __aligned(256); + + uint32_t padding[64]; + + } __aligned(PAGE_SIZE) sdma[AMDGPU_MES_CTX_MAX_SDMA_RINGS]; +}; + +struct amdgpu_mes_ctx_data { + struct amdgpu_bo *meta_data_obj; + uint64_t meta_data_gpu_addr; + struct amdgpu_bo_va *meta_data_va; + void *meta_data_ptr; + uint32_t gang_ids[AMDGPU_HW_IP_DMA+1]; +}; + +#define AMDGPU_FENCE_MES_QUEUE_FLAG 0x1000000u +#define AMDGPU_FENCE_MES_QUEUE_ID_MASK (AMDGPU_FENCE_MES_QUEUE_FLAG - 1) + +#endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 20dfe5a..112c2b0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -364,6 +364,15 @@ static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, ring->count_dw -= count_dw; } +#define amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset) \ + (ring->is_mes_queue && ring->mes_ctx ? \ + (ring->mes_ctx->meta_data_gpu_addr + offset) : 0) + +#define amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset) \ + (ring->is_mes_queue && ring->mes_ctx ? \ + (void *)((uint8_t *)(ring->mes_ctx->meta_data_ptr) + offset) : \ + NULL) + int amdgpu_ring_test_helper(struct amdgpu_ring *ring); void amdgpu_debugfs_ring_init(struct amdgpu_device *adev, -- 2.7.4