Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

drm/amdgpu/vcn: add common vcn sofware ring decode

Add common vcn sofware ring decode.

v2: fixed compiling error

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

James Zhu and committed by
Alex Deucher
60a2e9ee e02fe3bc

+130
+1
drivers/gpu/drm/amd/amdgpu/Makefile
··· 167 167 # add VCN and JPEG block 168 168 amdgpu-y += \ 169 169 amdgpu_vcn.o \ 170 + vcn_sw_ring.o \ 170 171 vcn_v1_0.o \ 171 172 vcn_v2_0.o \ 172 173 vcn_v2_5.o \
+85
drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c
··· 1 + /* 2 + * Copyright 2022 Advanced Micro Devices, Inc. 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 shall be included in 12 + * all copies or substantial portions of the Software. 13 + * 14 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 + * OTHER DEALINGS IN THE SOFTWARE. 21 + * 22 + */ 23 + 24 + #include "amdgpu.h" 25 + 26 + void vcn_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, 27 + u64 seq, uint32_t flags) 28 + { 29 + WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 30 + 31 + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE); 32 + amdgpu_ring_write(ring, addr); 33 + amdgpu_ring_write(ring, upper_32_bits(addr)); 34 + amdgpu_ring_write(ring, seq); 35 + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP); 36 + } 37 + 38 + void vcn_dec_sw_ring_insert_end(struct amdgpu_ring *ring) 39 + { 40 + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END); 41 + } 42 + 43 + void vcn_dec_sw_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job, 44 + struct amdgpu_ib *ib, uint32_t flags) 45 + { 46 + uint32_t vmid = AMDGPU_JOB_GET_VMID(job); 47 + 48 + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB); 49 + amdgpu_ring_write(ring, vmid); 50 + amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 51 + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 52 + amdgpu_ring_write(ring, ib->length_dw); 53 + } 54 + 55 + void vcn_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 56 + uint32_t val, uint32_t mask) 57 + { 58 + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT); 59 + amdgpu_ring_write(ring, reg << 2); 60 + amdgpu_ring_write(ring, mask); 61 + amdgpu_ring_write(ring, val); 62 + } 63 + 64 + void vcn_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring, 65 + uint32_t vmid, uint64_t pd_addr) 66 + { 67 + struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 68 + uint32_t data0, data1, mask; 69 + 70 + pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 71 + 72 + /* wait for register write */ 73 + data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance; 74 + data1 = lower_32_bits(pd_addr); 75 + mask = 0xffffffff; 76 + vcn_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask); 77 + } 78 + 79 + void vcn_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, 80 + uint32_t val) 81 + { 82 + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE); 83 + amdgpu_ring_write(ring, reg << 2); 84 + amdgpu_ring_write(ring, val); 85 + }
+44
drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.h
··· 1 + /* 2 + * Copyright 2022 Advanced Micro Devices, Inc. 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 shall be included in 12 + * all copies or substantial portions of the Software. 13 + * 14 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 + * OTHER DEALINGS IN THE SOFTWARE. 21 + * 22 + */ 23 + 24 + #ifndef __VCN_SW_RING_H__ 25 + #define __VCN_SW_RING_H__ 26 + 27 + #define VCN_SW_RING_EMIT_FRAME_SIZE \ 28 + (4 + /* vcn_dec_sw_ring_emit_vm_flush */ \ 29 + 5 + 5 + /* vcn_dec_sw_ring_emit_fence x2 vm fence */ \ 30 + 1) /* vcn_dec_sw_ring_insert_end */ 31 + 32 + void vcn_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, 33 + u64 seq, uint32_t flags); 34 + void vcn_dec_sw_ring_insert_end(struct amdgpu_ring *ring); 35 + void vcn_dec_sw_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job, 36 + struct amdgpu_ib *ib, uint32_t flags); 37 + void vcn_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 38 + uint32_t val, uint32_t mask); 39 + void vcn_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring, 40 + uint32_t vmid, uint64_t pd_addr); 41 + void vcn_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, 42 + uint32_t val); 43 + 44 + #endif /* __VCN_SW_RING_H__ */