From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/i915/gvt/vgpu.c | 56 +++++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 39 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/gpu/drm/i915/gvt/vgpu.c b/kernel/drivers/gpu/drm/i915/gvt/vgpu.c
index 9cf769f..821b6c3 100644
--- a/kernel/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/kernel/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -37,6 +37,7 @@
void populate_pvinfo_page(struct intel_vgpu *vgpu)
{
+ struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
/* setup the ballooning information */
vgpu_vreg64_t(vgpu, vgtif_reg(magic)) = VGT_MAGIC;
vgpu_vreg_t(vgpu, vgtif_reg(version_major)) = 1;
@@ -44,7 +45,7 @@
vgpu_vreg_t(vgpu, vgtif_reg(display_ready)) = 0;
vgpu_vreg_t(vgpu, vgtif_reg(vgt_id)) = vgpu->id;
- vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_48BIT_PPGTT;
+ vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_PPGTT;
vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HWSP_EMULATION;
vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HUGE_GTT;
@@ -69,7 +70,7 @@
vgpu_hidden_gmadr_base(vgpu), vgpu_hidden_sz(vgpu));
gvt_dbg_core("fence size %d\n", vgpu_fence_sz(vgpu));
- WARN_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
+ drm_WARN_ON(&i915->drm, sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
}
#define VGPU_MAX_WEIGHT 16
@@ -123,7 +124,7 @@
*/
low_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE;
high_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE;
- num_types = sizeof(vgpu_types) / sizeof(vgpu_types[0]);
+ num_types = ARRAY_SIZE(vgpu_types);
gvt->types = kcalloc(num_types, sizeof(struct intel_vgpu_type),
GFP_KERNEL);
@@ -148,12 +149,12 @@
gvt->types[i].avail_instance = min(low_avail / vgpu_types[i].low_mm,
high_avail / vgpu_types[i].high_mm);
- if (IS_GEN8(gvt->dev_priv))
+ if (IS_GEN(gvt->gt->i915, 8))
sprintf(gvt->types[i].name, "GVTg_V4_%s",
- vgpu_types[i].name);
- else if (IS_GEN9(gvt->dev_priv))
+ vgpu_types[i].name);
+ else if (IS_GEN(gvt->gt->i915, 9))
sprintf(gvt->types[i].name, "GVTg_V5_%s",
- vgpu_types[i].name);
+ vgpu_types[i].name);
gvt_dbg_core("type[%d]: %s avail %u low %u high %u fence %u weight %u res %s\n",
i, gvt->types[i].name,
@@ -212,9 +213,9 @@
*/
void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu)
{
- mutex_lock(&vgpu->gvt->lock);
+ mutex_lock(&vgpu->vgpu_lock);
vgpu->active = true;
- mutex_unlock(&vgpu->gvt->lock);
+ mutex_unlock(&vgpu->vgpu_lock);
}
/**
@@ -256,6 +257,7 @@
intel_gvt_deactivate_vgpu(vgpu);
mutex_lock(&vgpu->vgpu_lock);
+ vgpu->d3_entered = false;
intel_vgpu_clean_workloads(vgpu, ALL_ENGINES);
intel_vgpu_dmabuf_cleanup(vgpu);
mutex_unlock(&vgpu->vgpu_lock);
@@ -271,8 +273,9 @@
void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu)
{
struct intel_gvt *gvt = vgpu->gvt;
+ struct drm_i915_private *i915 = gvt->gt->i915;
- WARN(vgpu->active, "vGPU is still active!\n");
+ drm_WARN(&i915->drm, vgpu->active, "vGPU is still active!\n");
/*
* remove idr first so later clean can judge if need to stop
@@ -365,6 +368,7 @@
static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
struct intel_vgpu_creation_params *param)
{
+ struct drm_i915_private *dev_priv = gvt->gt->i915;
struct intel_vgpu *vgpu;
int ret;
@@ -391,6 +395,7 @@
INIT_RADIX_TREE(&vgpu->page_track_tree, GFP_KERNEL);
idr_init(&vgpu->object_idr);
intel_vgpu_init_cfg_space(vgpu, param->primary);
+ vgpu->d3_entered = false;
ret = intel_vgpu_init_mmio(vgpu);
if (ret)
@@ -426,11 +431,16 @@
if (ret)
goto out_clean_submission;
- ret = intel_gvt_debugfs_add_vgpu(vgpu);
+ intel_gvt_debugfs_add_vgpu(vgpu);
+
+ ret = intel_gvt_hypervisor_set_opregion(vgpu);
if (ret)
goto out_clean_sched_policy;
- ret = intel_gvt_hypervisor_set_opregion(vgpu);
+ if (IS_BROADWELL(dev_priv) || IS_BROXTON(dev_priv))
+ ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_B);
+ else
+ ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D);
if (ret)
goto out_clean_sched_policy;
@@ -526,11 +536,11 @@
* GPU engines. For FLR, engine_mask is ignored.
*/
void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr,
- unsigned int engine_mask)
+ intel_engine_mask_t engine_mask)
{
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
- unsigned int resetting_eng = dmlr ? ALL_ENGINES : engine_mask;
+ intel_engine_mask_t resetting_eng = dmlr ? ALL_ENGINES : engine_mask;
gvt_dbg_core("------------------------------------------\n");
gvt_dbg_core("resseting vgpu%d, dmlr %d, engine_mask %08x\n",
@@ -553,10 +563,15 @@
/* full GPU reset or device model level reset */
if (engine_mask == ALL_ENGINES || dmlr) {
intel_vgpu_select_submission_ops(vgpu, ALL_ENGINES, 0);
- intel_vgpu_invalidate_ppgtt(vgpu);
+ if (engine_mask == ALL_ENGINES)
+ intel_vgpu_invalidate_ppgtt(vgpu);
/*fence will not be reset during virtual reset */
if (dmlr) {
- intel_vgpu_reset_gtt(vgpu);
+ if(!vgpu->d3_entered) {
+ intel_vgpu_invalidate_ppgtt(vgpu);
+ intel_vgpu_destroy_all_ppgtt_mm(vgpu);
+ }
+ intel_vgpu_reset_ggtt(vgpu, true);
intel_vgpu_reset_resource(vgpu);
}
@@ -568,7 +583,14 @@
intel_vgpu_reset_cfg_space(vgpu);
/* only reset the failsafe mode when dmlr reset */
vgpu->failsafe = false;
- vgpu->pv_notified = false;
+ /*
+ * PCI_D0 is set before dmlr, so reset d3_entered here
+ * after done using.
+ */
+ if(vgpu->d3_entered)
+ vgpu->d3_entered = false;
+ else
+ vgpu->pv_notified = false;
}
}
--
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