diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 77edbfcb0f75ea28b9ee3ffe51de137fc4f8743f..77ae634eb11c9e709751b9391a8f392ad9632385 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -1900,11 +1900,11 @@ static struct cmd_info cmd_info[] = {
{"MI_URB_CLEAR", OP_MI_URB_CLEAR, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
- {"ME_SEMAPHORE_SIGNAL", OP_MI_SEMAPHORE_SIGNAL, F_LEN_VAR, R_ALL,
+ {"MI_SEMAPHORE_SIGNAL", OP_MI_SEMAPHORE_SIGNAL, F_LEN_VAR, R_ALL,
D_BDW_PLUS, 0, 8, NULL},
- {"ME_SEMAPHORE_WAIT", OP_MI_SEMAPHORE_WAIT, F_LEN_VAR, R_ALL, D_BDW_PLUS,
- ADDR_FIX_1(2), 8, cmd_handler_mi_semaphore_wait},
+ {"MI_SEMAPHORE_WAIT", OP_MI_SEMAPHORE_WAIT, F_LEN_VAR, R_ALL,
+ D_BDW_PLUS, ADDR_FIX_1(2), 8, cmd_handler_mi_semaphore_wait},
{"MI_STORE_DATA_IMM", OP_MI_STORE_DATA_IMM, F_LEN_VAR, R_ALL, D_BDW_PLUS,
ADDR_FIX_1(1), 10, cmd_handler_mi_store_data_imm},
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
index 6ef5a7fc70df967b2de542da23501dd5d0f1369b..733a2a0d0c3096ce56feb0a3a00e56e23f4db8ae 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ b/drivers/gpu/drm/i915/gvt/gvt.c
@@ -437,7 +437,7 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv)
ret = intel_gvt_debugfs_init(gvt);
if (ret)
- gvt_err("debugfs registeration failed, go on.\n");
+ gvt_err("debugfs registration failed, go on.\n");
gvt_dbg_core("gvt device initialization is done\n");
dev_priv->gvt = gvt;
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 31f6cdbe5c424f67f29167be34496e67fcb67b85..b4ab1dad01434f9ebdd6375104433a28c1707f2a 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -159,6 +159,10 @@ struct intel_vgpu_submission {
struct kmem_cache *workloads;
atomic_t running_workload_num;
struct i915_gem_context *shadow_ctx;
+ union {
+ u64 i915_context_pml4;
+ u64 i915_context_pdps[GEN8_3LVL_PDPES];
+ };
DECLARE_BITMAP(shadow_ctx_desc_updated, I915_NUM_ENGINES);
DECLARE_BITMAP(tlb_handle_pending, I915_NUM_ENGINES);
void *ring_scan_buffer[I915_NUM_ENGINES];
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index aa280bb071254547fd3d810494bd488d4edbcd44..b5475c91e2ef1b337ed083aae4c67a1d94fbe2e9 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -475,6 +475,7 @@ static i915_reg_t force_nonpriv_white_list[] = {
_MMIO(0x7704),
_MMIO(0x7708),
_MMIO(0x770c),
+ _MMIO(0x83a8),
_MMIO(0xb110),
GEN8_L3SQCREG4,//_MMIO(0xb118)
_MMIO(0xe100),
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c
index 5daa23ae566b0849379a58fa35af64b540bece33..6b9d1354ff29be770a68f75d1f5506070c45496d 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.c
+++ b/drivers/gpu/drm/i915/gvt/interrupt.c
@@ -126,7 +126,7 @@ static const char * const irq_name[INTEL_GVT_EVENT_MAX] = {
[FDI_RX_INTERRUPTS_TRANSCODER_C] = "FDI RX Interrupts Combined C",
[AUDIO_CP_CHANGE_TRANSCODER_C] = "Audio CP Change Transcoder C",
[AUDIO_CP_REQUEST_TRANSCODER_C] = "Audio CP Request Transcoder C",
- [ERR_AND_DBG] = "South Error and Debug Interupts Combined",
+ [ERR_AND_DBG] = "South Error and Debug Interrupts Combined",
[GMBUS] = "Gmbus",
[SDVO_B_HOTPLUG] = "SDVO B hotplug",
[CRT_HOTPLUG] = "CRT Hotplug",
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index b8fbe3fabea3062203ad64d5ff33fd4ceebf0da2..1ad8c5e1455d782160d15c4a1c83cb6f64dad3cf 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -1079,6 +1079,21 @@ err:
return ret;
}
+static void
+i915_context_ppgtt_root_restore(struct intel_vgpu_submission *s)
+{
+ struct i915_hw_ppgtt *i915_ppgtt = s->shadow_ctx->ppgtt;
+ int i;
+
+ if (i915_vm_is_48bit(&i915_ppgtt->vm))
+ px_dma(&i915_ppgtt->pml4) = s->i915_context_pml4;
+ else {
+ for (i = 0; i < GEN8_3LVL_PDPES; i++)
+ px_dma(i915_ppgtt->pdp.page_directory[i]) =
+ s->i915_context_pdps[i];
+ }
+}
+
/**
* intel_vgpu_clean_submission - free submission-related resource for vGPU
* @vgpu: a vGPU
@@ -1091,6 +1106,7 @@ void intel_vgpu_clean_submission(struct intel_vgpu *vgpu)
struct intel_vgpu_submission *s = &vgpu->submission;
intel_vgpu_select_submission_ops(vgpu, ALL_ENGINES, 0);
+ i915_context_ppgtt_root_restore(s);
i915_gem_context_put(s->shadow_ctx);
kmem_cache_destroy(s->workloads);
}
@@ -1116,6 +1132,21 @@ void intel_vgpu_reset_submission(struct intel_vgpu *vgpu,
s->ops->reset(vgpu, engine_mask);
}
+static void
+i915_context_ppgtt_root_save(struct intel_vgpu_submission *s)
+{
+ struct i915_hw_ppgtt *i915_ppgtt = s->shadow_ctx->ppgtt;
+ int i;
+
+ if (i915_vm_is_48bit(&i915_ppgtt->vm))
+ s->i915_context_pml4 = px_dma(&i915_ppgtt->pml4);
+ else {
+ for (i = 0; i < GEN8_3LVL_PDPES; i++)
+ s->i915_context_pdps[i] =
+ px_dma(i915_ppgtt->pdp.page_directory[i]);
+ }
+}
+
/**
* intel_vgpu_setup_submission - setup submission-related resource for vGPU
* @vgpu: a vGPU
@@ -1138,6 +1169,8 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu)
if (IS_ERR(s->shadow_ctx))
return PTR_ERR(s->shadow_ctx);
+ i915_context_ppgtt_root_save(s);
+
bitmap_zero(s->shadow_ctx_desc_updated, I915_NUM_ENGINES);
s->workloads = kmem_cache_create_usercopy("gvt-g_vgpu_workload",