diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/scheduler.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/scheduler.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 55bb7885e228..159192c097cc 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -299,7 +299,8 @@ static int copy_workload_to_ring_buffer(struct intel_vgpu_workload *workload) void *shadow_ring_buffer_va; u32 *cs; - if ((IS_KABYLAKE(req->i915) || IS_BROXTON(req->i915)) + if ((IS_KABYLAKE(req->i915) || IS_BROXTON(req->i915) + || IS_COFFEELAKE(req->i915)) && is_inhibit_context(req->hw_context)) intel_vgpu_restore_inhibit_context(vgpu, req); @@ -345,7 +346,7 @@ static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, int i = 0; if (mm->type != INTEL_GVT_MM_PPGTT || !mm->ppgtt_mm.shadowed) - return -1; + return -EINVAL; if (mm->ppgtt_mm.root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY) { px_dma(&ppgtt->pml4) = mm->ppgtt_mm.shadow_pdps[0]; @@ -409,12 +410,6 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) if (workload->shadow) return 0; - ret = set_context_ppgtt_from_shadow(workload, shadow_ctx); - if (ret < 0) { - gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); - return ret; - } - /* pin shadow context by gvt even the shadow context will be pinned * when i915 alloc request. That is because gvt will update the guest * context from shadow context when workload is completed, and at that @@ -677,6 +672,9 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct intel_vgpu_submission *s = &vgpu->submission; + struct i915_gem_context *shadow_ctx = s->shadow_ctx; + struct i915_request *rq; int ring_id = workload->ring_id; int ret; @@ -686,6 +684,12 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) mutex_lock(&vgpu->vgpu_lock); mutex_lock(&dev_priv->drm.struct_mutex); + ret = set_context_ppgtt_from_shadow(workload, shadow_ctx); + if (ret < 0) { + gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); + goto err_req; + } + ret = intel_gvt_workload_req_alloc(workload); if (ret) goto err_req; @@ -702,6 +706,14 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) ret = prepare_workload(workload); out: + if (ret) { + /* We might still need to add request with + * clean ctx to retire it properly.. + */ + rq = fetch_and_zero(&workload->req); + i915_request_put(rq); + } + if (!IS_ERR_OR_NULL(workload->req)) { gvt_dbg_sched("ring id %d submit workload to i915 %p\n", ring_id, workload->req); @@ -738,7 +750,8 @@ static struct intel_vgpu_workload *pick_next_workload( goto out; } - if (list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) + if (!scheduler->current_vgpu->active || + list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) goto out; /* @@ -957,9 +970,7 @@ static int workload_thread(void *priv) struct intel_vgpu_workload *workload = NULL; struct intel_vgpu *vgpu = NULL; int ret; - bool need_force_wake = IS_SKYLAKE(gvt->dev_priv) - || IS_KABYLAKE(gvt->dev_priv) - || IS_BROXTON(gvt->dev_priv); + bool need_force_wake = (INTEL_GEN(gvt->dev_priv) >= 9); DEFINE_WAIT_FUNC(wait, woken_wake_function); kfree(p); @@ -1015,7 +1026,7 @@ complete: intel_uncore_forcewake_put(gvt->dev_priv, FORCEWAKE_ALL); - intel_runtime_pm_put(gvt->dev_priv); + intel_runtime_pm_put_unchecked(gvt->dev_priv); if (ret && (vgpu_is_vm_unhealthy(ret))) enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR); } @@ -1472,7 +1483,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, mutex_lock(&dev_priv->drm.struct_mutex); ret = intel_gvt_scan_and_shadow_workload(workload); mutex_unlock(&dev_priv->drm.struct_mutex); - intel_runtime_pm_put(dev_priv); + intel_runtime_pm_put_unchecked(dev_priv); } if (ret && (vgpu_is_vm_unhealthy(ret))) { |
