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drm/amdgpu: Implement gfx9 patch functions for resubmission
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Patch the packages including CONTEXT_CONTROL and WRITE_DATA for gfx9
during the resubmission scenario.

Signed-off-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Jiadong Zhu authored and Alex Deucher committed Jun 9, 2023
1 parent 8ff865b commit ea791e7
Showing 1 changed file with 80 additions and 0 deletions.
80 changes: 80 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -5165,9 +5165,83 @@ static void gfx_v9_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,
#endif
lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_ib_on_emit_cntl(ring);
amdgpu_ring_write(ring, control);
}

static void gfx_v9_0_ring_patch_cntl(struct amdgpu_ring *ring,
unsigned offset)
{
u32 control = ring->ring[offset];

control |= INDIRECT_BUFFER_PRE_RESUME(1);
ring->ring[offset] = control;
}

static void gfx_v9_0_ring_patch_ce_meta(struct amdgpu_ring *ring,
unsigned offset)
{
struct amdgpu_device *adev = ring->adev;
void *ce_payload_cpu_addr;
uint64_t payload_offset, payload_size;

payload_size = sizeof(struct v9_ce_ib_state);

if (ring->is_mes_queue) {
payload_offset = offsetof(struct amdgpu_mes_ctx_meta_data,
gfx[0].gfx_meta_data) +
offsetof(struct v9_gfx_meta_data, ce_payload);
ce_payload_cpu_addr =
amdgpu_mes_ctx_get_offs_cpu_addr(ring, payload_offset);
} else {
payload_offset = offsetof(struct v9_gfx_meta_data, ce_payload);
ce_payload_cpu_addr = adev->virt.csa_cpu_addr + payload_offset;
}

if (offset + (payload_size >> 2) <= ring->buf_mask + 1) {
memcpy((void *)&ring->ring[offset], ce_payload_cpu_addr, payload_size);
} else {
memcpy((void *)&ring->ring[offset], ce_payload_cpu_addr,
(ring->buf_mask + 1 - offset) << 2);
payload_size -= (ring->buf_mask + 1 - offset) << 2;
memcpy((void *)&ring->ring[0],
ce_payload_cpu_addr + ((ring->buf_mask + 1 - offset) << 2),
payload_size);
}
}

static void gfx_v9_0_ring_patch_de_meta(struct amdgpu_ring *ring,
unsigned offset)
{
struct amdgpu_device *adev = ring->adev;
void *de_payload_cpu_addr;
uint64_t payload_offset, payload_size;

payload_size = sizeof(struct v9_de_ib_state);

if (ring->is_mes_queue) {
payload_offset = offsetof(struct amdgpu_mes_ctx_meta_data,
gfx[0].gfx_meta_data) +
offsetof(struct v9_gfx_meta_data, de_payload);
de_payload_cpu_addr =
amdgpu_mes_ctx_get_offs_cpu_addr(ring, payload_offset);
} else {
payload_offset = offsetof(struct v9_gfx_meta_data, de_payload);
de_payload_cpu_addr = adev->virt.csa_cpu_addr + payload_offset;
}

if (offset + (payload_size >> 2) <= ring->buf_mask + 1) {
memcpy((void *)&ring->ring[offset], de_payload_cpu_addr, payload_size);
} else {
memcpy((void *)&ring->ring[offset], de_payload_cpu_addr,
(ring->buf_mask + 1 - offset) << 2);
payload_size -= (ring->buf_mask + 1 - offset) << 2;
memcpy((void *)&ring->ring[0],
de_payload_cpu_addr + ((ring->buf_mask + 1 - offset) << 2),
payload_size);
}
}

static void gfx_v9_0_ring_emit_ib_compute(struct amdgpu_ring *ring,
struct amdgpu_job *job,
struct amdgpu_ib *ib,
Expand Down Expand Up @@ -5363,6 +5437,8 @@ static void gfx_v9_0_ring_emit_ce_meta(struct amdgpu_ring *ring, bool resume)
amdgpu_ring_write(ring, lower_32_bits(ce_payload_gpu_addr));
amdgpu_ring_write(ring, upper_32_bits(ce_payload_gpu_addr));

amdgpu_ring_ib_on_emit_ce(ring);

if (resume)
amdgpu_ring_write_multiple(ring, ce_payload_cpu_addr,
sizeof(ce_payload) >> 2);
Expand Down Expand Up @@ -5474,6 +5550,7 @@ static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume, bo
amdgpu_ring_write(ring, lower_32_bits(de_payload_gpu_addr));
amdgpu_ring_write(ring, upper_32_bits(de_payload_gpu_addr));

amdgpu_ring_ib_on_emit_de(ring);
if (resume)
amdgpu_ring_write_multiple(ring, de_payload_cpu_addr,
sizeof(de_payload) >> 2);
Expand Down Expand Up @@ -6884,6 +6961,9 @@ static const struct amdgpu_ring_funcs gfx_v9_0_sw_ring_funcs_gfx = {
.emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait,
.soft_recovery = gfx_v9_0_ring_soft_recovery,
.emit_mem_sync = gfx_v9_0_emit_mem_sync,
.patch_cntl = gfx_v9_0_ring_patch_cntl,
.patch_de = gfx_v9_0_ring_patch_de_meta,
.patch_ce = gfx_v9_0_ring_patch_ce_meta,
};

static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
Expand Down

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