diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/execlist.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/execlist.c | 133 |
1 files changed, 101 insertions, 32 deletions
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index e5320b4eb698..940cdaaa3f24 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -368,7 +368,7 @@ static void free_workload(struct intel_vgpu_workload *workload) #define get_desc_from_elsp_dwords(ed, i) \ ((struct execlist_ctx_descriptor_format *)&((ed)->data[i * 2])) -static void prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload) +static int prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload) { const int gmadr_bytes = workload->vgpu->gvt->device_info.gmadr_bytes_in_cmd; struct intel_shadow_bb_entry *entry_obj; @@ -379,7 +379,7 @@ static void prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload) vma = i915_gem_object_ggtt_pin(entry_obj->obj, NULL, 0, 4, 0); if (IS_ERR(vma)) { - return; + return PTR_ERR(vma); } /* FIXME: we are not tracking our pinned VMA leaving it @@ -392,6 +392,7 @@ static void prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload) if (gmadr_bytes == 8) entry_obj->bb_start_cmd_va[2] = 0; } + return 0; } static int update_wa_ctx_2_shadow_ctx(struct intel_shadow_wa_ctx *wa_ctx) @@ -420,7 +421,7 @@ static int update_wa_ctx_2_shadow_ctx(struct intel_shadow_wa_ctx *wa_ctx) return 0; } -static void prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) +static int prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) { struct i915_vma *vma; unsigned char *per_ctx_va = @@ -428,12 +429,12 @@ static void prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) wa_ctx->indirect_ctx.size; if (wa_ctx->indirect_ctx.size == 0) - return; + return 0; vma = i915_gem_object_ggtt_pin(wa_ctx->indirect_ctx.obj, NULL, 0, CACHELINE_BYTES, 0); if (IS_ERR(vma)) { - return; + return PTR_ERR(vma); } /* FIXME: we are not tracking our pinned VMA leaving it @@ -447,26 +448,7 @@ static void prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) memset(per_ctx_va, 0, CACHELINE_BYTES); update_wa_ctx_2_shadow_ctx(wa_ctx); -} - -static int prepare_execlist_workload(struct intel_vgpu_workload *workload) -{ - struct intel_vgpu *vgpu = workload->vgpu; - struct execlist_ctx_descriptor_format ctx[2]; - int ring_id = workload->ring_id; - - intel_vgpu_pin_mm(workload->shadow_mm); - intel_vgpu_sync_oos_pages(workload->vgpu); - intel_vgpu_flush_post_shadow(workload->vgpu); - prepare_shadow_batch_buffer(workload); - prepare_shadow_wa_ctx(&workload->wa_ctx); - if (!workload->emulate_schedule_in) - return 0; - - ctx[0] = *get_desc_from_elsp_dwords(&workload->elsp_dwords, 1); - ctx[1] = *get_desc_from_elsp_dwords(&workload->elsp_dwords, 0); - - return emulate_execlist_schedule_in(&vgpu->execlist[ring_id], ctx); + return 0; } static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload) @@ -489,13 +471,68 @@ static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload) } } -static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) +static int prepare_execlist_workload(struct intel_vgpu_workload *workload) { - if (!wa_ctx->indirect_ctx.obj) - return; + struct intel_vgpu *vgpu = workload->vgpu; + struct execlist_ctx_descriptor_format ctx[2]; + int ring_id = workload->ring_id; + int ret; + + ret = intel_vgpu_pin_mm(workload->shadow_mm); + if (ret) { + gvt_vgpu_err("fail to vgpu pin mm\n"); + goto out; + } + + ret = intel_vgpu_sync_oos_pages(workload->vgpu); + if (ret) { + gvt_vgpu_err("fail to vgpu sync oos pages\n"); + goto err_unpin_mm; + } + + ret = intel_vgpu_flush_post_shadow(workload->vgpu); + if (ret) { + gvt_vgpu_err("fail to flush post shadow\n"); + goto err_unpin_mm; + } + + ret = intel_gvt_generate_request(workload); + if (ret) { + gvt_vgpu_err("fail to generate request\n"); + goto err_unpin_mm; + } + + ret = prepare_shadow_batch_buffer(workload); + if (ret) { + gvt_vgpu_err("fail to prepare_shadow_batch_buffer\n"); + goto err_unpin_mm; + } + + ret = prepare_shadow_wa_ctx(&workload->wa_ctx); + if (ret) { + gvt_vgpu_err("fail to prepare_shadow_wa_ctx\n"); + goto err_shadow_batch; + } + + if (!workload->emulate_schedule_in) + return 0; - i915_gem_object_unpin_map(wa_ctx->indirect_ctx.obj); - i915_gem_object_put(wa_ctx->indirect_ctx.obj); + ctx[0] = *get_desc_from_elsp_dwords(&workload->elsp_dwords, 1); + ctx[1] = *get_desc_from_elsp_dwords(&workload->elsp_dwords, 0); + + ret = emulate_execlist_schedule_in(&vgpu->execlist[ring_id], ctx); + if (!ret) + goto out; + else + gvt_vgpu_err("fail to emulate execlist schedule in\n"); + + release_shadow_wa_ctx(&workload->wa_ctx); +err_shadow_batch: + release_shadow_batch_buffer(workload); +err_unpin_mm: + intel_vgpu_unpin_mm(workload->shadow_mm); +out: + return ret; } static int complete_execlist_workload(struct intel_vgpu_workload *workload) @@ -511,8 +548,10 @@ static int complete_execlist_workload(struct intel_vgpu_workload *workload) gvt_dbg_el("complete workload %p status %d\n", workload, workload->status); - release_shadow_batch_buffer(workload); - release_shadow_wa_ctx(&workload->wa_ctx); + if (!workload->status) { + release_shadow_batch_buffer(workload); + release_shadow_wa_ctx(&workload->wa_ctx); + } if (workload->status || (vgpu->resetting_eng & ENGINE_MASK(ring_id))) { /* if workload->status is not successful means HW GPU @@ -819,10 +858,21 @@ static void clean_workloads(struct intel_vgpu *vgpu, unsigned long engine_mask) void intel_vgpu_clean_execlist(struct intel_vgpu *vgpu) { + enum intel_engine_id i; + struct intel_engine_cs *engine; + clean_workloads(vgpu, ALL_ENGINES); kmem_cache_destroy(vgpu->workloads); + + for_each_engine(engine, vgpu->gvt->dev_priv, i) { + kfree(vgpu->reserve_ring_buffer_va[i]); + vgpu->reserve_ring_buffer_va[i] = NULL; + vgpu->reserve_ring_buffer_size[i] = 0; + } + } +#define RESERVE_RING_BUFFER_SIZE ((1 * PAGE_SIZE)/8) int intel_vgpu_init_execlist(struct intel_vgpu *vgpu) { enum intel_engine_id i; @@ -842,7 +892,26 @@ int intel_vgpu_init_execlist(struct intel_vgpu *vgpu) if (!vgpu->workloads) return -ENOMEM; + /* each ring has a shadow ring buffer until vgpu destroyed */ + for_each_engine(engine, vgpu->gvt->dev_priv, i) { + vgpu->reserve_ring_buffer_va[i] = + kmalloc(RESERVE_RING_BUFFER_SIZE, GFP_KERNEL); + if (!vgpu->reserve_ring_buffer_va[i]) { + gvt_vgpu_err("fail to alloc reserve ring buffer\n"); + goto out; + } + vgpu->reserve_ring_buffer_size[i] = RESERVE_RING_BUFFER_SIZE; + } return 0; +out: + for_each_engine(engine, vgpu->gvt->dev_priv, i) { + if (vgpu->reserve_ring_buffer_size[i]) { + kfree(vgpu->reserve_ring_buffer_va[i]); + vgpu->reserve_ring_buffer_va[i] = NULL; + vgpu->reserve_ring_buffer_size[i] = 0; + } + } + return -ENOMEM; } void intel_vgpu_reset_execlist(struct intel_vgpu *vgpu, |