if (size) {
r = amdgpu_sa_bo_new(&adev->ib_pools[pool_type],
&ib->sa_bo, size); if (r) {
dev_err(adev->dev, "failed to get a new IB (%d)\n", r); return r;
}
ib->ptr = amdgpu_sa_bo_cpu_addr(ib->sa_bo); /* flush the cache before commit the IB */
ib->flags = AMDGPU_IB_FLAG_EMIT_MEM_SYNC;
if (!vm)
ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
}
/* ring tests don't use a job */ if (job) {
vm = job->vm;
fence_ctx = job->base.s_fence ?
job->base.s_fence->scheduled.context : 0;
shadow_va = job->shadow_va;
csa_va = job->csa_va;
gds_va = job->gds_va;
init_shadow = job->init_shadow;
af = &job->hw_fence; /* Save the context of the job for reset handling. *Thedriverneedsthissoitcanskipthering *contentsforguiltycontexts.
*/
af->context = job->base.s_fence ? job->base.s_fence->finished.context : 0;
} else {
vm = NULL;
fence_ctx = 0;
shadow_va = 0;
csa_va = 0;
gds_va = 0;
init_shadow = false;
af = NULL;
}
if (!ring->sched.ready) {
dev_err(adev->dev, "couldn't schedule ib on ring <%s>\n", ring->name); return -EINVAL;
}
if (vm && !job->vmid) {
dev_err(adev->dev, "VM IB without ID\n"); return -EINVAL;
}
if ((ib->flags & AMDGPU_IB_FLAGS_SECURE) &&
(!ring->funcs->secure_submission_supported)) {
dev_err(adev->dev, "secure submissions not supported on ring <%s>\n", ring->name); return -EINVAL;
}
amdgpu_ring_emit_ib(ring, job, ib, status);
status &= ~AMDGPU_HAVE_CTX_SWITCH;
}
if (job && ring->funcs->emit_frame_cntl)
amdgpu_ring_emit_frame_cntl(ring, false, secure);
amdgpu_device_invalidate_hdp(adev, ring);
if (ib->flags & AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE)
fence_flags |= AMDGPU_FENCE_FLAG_TC_WB_ONLY;
/* wrap the last IB with fence */ if (job && job->uf_addr) {
amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,
fence_flags | AMDGPU_FENCE_FLAG_64BIT);
}
r = amdgpu_fence_emit(ring, f, af, fence_flags); if (r) {
dev_err(adev->dev, "failed to emit fence (%d)\n", r); if (job && job->vmid)
amdgpu_vmid_reset(adev, ring->vm_hub, job->vmid);
amdgpu_ring_undo(ring); return r;
}
if (ring->funcs->insert_end)
ring->funcs->insert_end(ring);
amdgpu_ring_patch_cond_exec(ring, cond_exec);
ring->current_ctx = fence_ctx; if (job && ring->funcs->emit_switch_buffer)
amdgpu_ring_emit_switch_buffer(ring);
if (ring->funcs->emit_wave_limit &&
ring->hw_prio == AMDGPU_GFX_PIPE_PRIO_HIGH)
ring->funcs->emit_wave_limit(ring, false);
/* Save the wptr associated with this fence. *Thismustbelastforresetstoworkproperly *asweneedtosavethewptrassociatedwiththis *fencesoweknowwhatringscontentstobackup *afterweresetthequeue.
*/
amdgpu_fence_save_wptr(*f);
/** *amdgpu_ib_pool_init-InittheIB(IndirectBuffer)pool * *@adev:amdgpu_devicepointer * *Initializethesuballocatortomanageapoolofmemory *foruseasIBs(allasics). *Returns0onsuccess,erroronfailure.
*/ int amdgpu_ib_pool_init(struct amdgpu_device *adev)
{ int r, i;
if (adev->ib_pool_ready) return0;
for (i = 0; i < AMDGPU_IB_POOL_MAX; i++) {
r = amdgpu_sa_bo_manager_init(adev, &adev->ib_pools[i],
AMDGPU_IB_POOL_SIZE, 256,
AMDGPU_GEM_DOMAIN_GTT); if (r) goto error;
}
adev->ib_pool_ready = true;
return0;
error: while (i--)
amdgpu_sa_bo_manager_fini(adev, &adev->ib_pools[i]); return r;
}
for (i = 0; i < AMDGPU_IB_POOL_MAX; i++)
amdgpu_sa_bo_manager_fini(adev, &adev->ib_pools[i]);
adev->ib_pool_ready = false;
}
/** *amdgpu_ib_ring_tests-testIBsontherings * *@adev:amdgpu_devicepointer * *TestanIB(IndirectBuffer)oneachring. *Ifthetestfails,disablethering. *Returns0onsuccess,erroriftheprimaryGFXring *IBtestfails.
*/ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
{ long tmo_gfx, tmo_mm; int r, ret = 0; unsignedint i;
tmo_mm = tmo_gfx = AMDGPU_IB_TEST_TIMEOUT; if (amdgpu_sriov_vf(adev)) { /* for MM engines in hypervisor side they are not scheduled together *withCPandSDMAengines,soeveninexclusivemodeMMenginecould *stillrunningonotherVFthustheIBTESTTIMEOUTforMMengines *underSR-IOVshouldbesettoalongtime.8secshouldbeenough *fortheMMcomesbacktothisVF.
*/
tmo_mm = 8 * AMDGPU_IB_TEST_TIMEOUT;
}
if (amdgpu_sriov_runtime(adev)) { /* for CP & SDMA engines since they are scheduled together so *needtomakethetimeoutwidthenoughtocoverthetime *costwaitingforitcomingbackunderRUNTIMEonly
*/
tmo_gfx = 8 * AMDGPU_IB_TEST_TIMEOUT;
} elseif (adev->gmc.xgmi.hive_id) {
tmo_gfx = AMDGPU_IB_TEST_GFX_XGMI_TIMEOUT;
}
for (i = 0; i < adev->num_rings; ++i) { struct amdgpu_ring *ring = adev->rings[i]; long tmo;
/* KIQ rings don't have an IB test because we never submit IBs *tothemandtheyhavenointerruptsupport.
*/ if (!ring->sched.ready || !ring->funcs->test_ib) continue;
if (adev->enable_mes &&
ring->funcs->type == AMDGPU_RING_TYPE_KIQ) continue;
/* MM engine need more time */ if (ring->funcs->type == AMDGPU_RING_TYPE_UVD ||
ring->funcs->type == AMDGPU_RING_TYPE_VCE ||
ring->funcs->type == AMDGPU_RING_TYPE_UVD_ENC ||
ring->funcs->type == AMDGPU_RING_TYPE_VCN_DEC ||
ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC ||
ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
tmo = tmo_mm; else
tmo = tmo_gfx;
r = amdgpu_ring_test_ib(ring, tmo); if (!r) {
DRM_DEV_DEBUG(adev->dev, "ib test on %s succeeded\n",
ring->name); continue;
}
ring->sched.ready = false;
DRM_DEV_ERROR(adev->dev, "IB test failed on %s (%d).\n",
ring->name, r);
if (ring == &adev->gfx.gfx_ring[0]) { /* oh, oh, that's really bad */
adev->accel_working = false; return r;
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