linux-zen-server/drivers/gpu/drm/amd/amdgpu/vcn_sw_ring.c

87 lines
2.9 KiB
C

/*
* Copyright 2022 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.
*
*/
#include "amdgpu.h"
#include "vcn_sw_ring.h"
void vcn_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
u64 seq, uint32_t flags)
{
WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
amdgpu_ring_write(ring, addr);
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
}
void vcn_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
{
amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
}
void vcn_dec_sw_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
struct amdgpu_ib *ib, uint32_t flags)
{
uint32_t vmid = AMDGPU_JOB_GET_VMID(job);
amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
amdgpu_ring_write(ring, vmid);
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, ib->length_dw);
}
void vcn_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
uint32_t val, uint32_t mask)
{
amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT);
amdgpu_ring_write(ring, reg << 2);
amdgpu_ring_write(ring, mask);
amdgpu_ring_write(ring, val);
}
void vcn_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
uint32_t vmid, uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t data0, data1, mask;
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
/* wait for register write */
data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
data1 = lower_32_bits(pd_addr);
mask = 0xffffffff;
vcn_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
}
void vcn_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
uint32_t val)
{
amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE);
amdgpu_ring_write(ring, reg << 2);
amdgpu_ring_write(ring, val);
}