From: Ville Syrjälä <ville.syrj...@linux.intel.com>
intel_runtime_pm_put_unchecked() is not meant to be used
outside the runtime pm implementation, so don't.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/gvt/aperture_gm.c | 7 ++++---
drivers/gpu/drm/i915/gvt/debugfs.c | 5 +++--
drivers/gpu/drm/i915/gvt/gtt.c | 6 ++++--
drivers/gpu/drm/i915/gvt/gvt.h | 9 +++++----
drivers/gpu/drm/i915/gvt/handlers.c | 23 +++++++++++++++--------
drivers/gpu/drm/i915/gvt/sched_policy.c | 5 +++--
6 files changed, 34 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/i915/gvt/aperture_gm.c
b/drivers/gpu/drm/i915/gvt/aperture_gm.c
index eedd1865bb98..62d14f82256f 100644
--- a/drivers/gpu/drm/i915/gvt/aperture_gm.c
+++ b/drivers/gpu/drm/i915/gvt/aperture_gm.c
@@ -46,6 +46,7 @@ static int alloc_gm(struct intel_vgpu *vgpu, bool high_gm)
unsigned int flags;
u64 start, end, size;
struct drm_mm_node *node;
+ intel_wakeref_t wakeref;
int ret;
if (high_gm) {
@@ -63,12 +64,12 @@ static int alloc_gm(struct intel_vgpu *vgpu, bool high_gm)
}
mutex_lock(>->ggtt->vm.mutex);
- mmio_hw_access_pre(gt);
+ wakeref = mmio_hw_access_pre(gt);
ret = i915_gem_gtt_insert(>->ggtt->vm, NULL, node,
size, I915_GTT_PAGE_SIZE,
I915_COLOR_UNEVICTABLE,
start, end, flags);
- mmio_hw_access_post(gt);
+ mmio_hw_access_post(gt, wakeref);
mutex_unlock(>->ggtt->vm.mutex);
if (ret)
gvt_err("fail to alloc %s gm space from host\n",
@@ -226,7 +227,7 @@ static int alloc_vgpu_fence(struct intel_vgpu *vgpu)
vgpu->fence.regs[i] = NULL;
}
mutex_unlock(&gvt->gt->ggtt->vm.mutex);
- intel_runtime_pm_put_unchecked(uncore->rpm);
+ intel_runtime_pm_put(uncore->rpm, wakeref);
return -ENOSPC;
}
diff --git a/drivers/gpu/drm/i915/gvt/debugfs.c
b/drivers/gpu/drm/i915/gvt/debugfs.c
index baccbf1761b7..673534f061ef 100644
--- a/drivers/gpu/drm/i915/gvt/debugfs.c
+++ b/drivers/gpu/drm/i915/gvt/debugfs.c
@@ -91,16 +91,17 @@ static int vgpu_mmio_diff_show(struct seq_file *s, void
*unused)
.diff = 0,
};
struct diff_mmio *node, *next;
+ intel_wakeref_t wakeref;
INIT_LIST_HEAD(¶m.diff_mmio_list);
mutex_lock(&gvt->lock);
spin_lock_bh(&gvt->scheduler.mmio_context_lock);
- mmio_hw_access_pre(gvt->gt);
+ wakeref = mmio_hw_access_pre(gvt->gt);
/* Recognize all the diff mmios to list. */
intel_gvt_for_each_tracked_mmio(gvt, mmio_diff_handler, ¶m);
- mmio_hw_access_post(gvt->gt);
+ mmio_hw_access_post(gvt->gt, wakeref);
spin_unlock_bh(&gvt->scheduler.mmio_context_lock);
mutex_unlock(&gvt->lock);
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 2fa7ca19ba5d..ae9b0ded3651 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -220,9 +220,11 @@ static u64 read_pte64(struct i915_ggtt *ggtt, unsigned
long index)
static void ggtt_invalidate(struct intel_gt *gt)
{
- mmio_hw_access_pre(gt);
+ intel_wakeref_t wakeref;
+
+ wakeref = mmio_hw_access_pre(gt);
intel_uncore_write(gt->uncore, GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN);
- mmio_hw_access_post(gt);
+ mmio_hw_access_post(gt, wakeref);
}
static void write_pte64(struct i915_ggtt *ggtt, unsigned long index, u64 pte)
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 01d890999f25..1d10c16e6465 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -570,14 +570,15 @@ enum {
GVT_FAILSAFE_GUEST_ERR,
};
-static inline void mmio_hw_access_pre(struct intel_gt *gt)
+static inline intel_wakeref_t mmio_hw_access_pre(struct intel_gt *gt)
{
- intel_runtime_pm_get(gt->uncore->rpm);
+ return intel_runtime_pm_get(gt->uncore->rpm);
}
-static inline void mmio_hw_access_post(struct intel_gt *gt)
+static inline void mmio_hw_access_post(struct intel_gt *gt,
+ intel_wakeref_t wakeref)
{
- intel_runtime_pm_put_unchecked(gt->uncore->rpm);
+ intel_runtime_pm_put(gt->uncore->rpm, wakeref);
}
/**
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c
b/drivers/gpu/drm/i915/gvt/handlers.c
index 4efee6797873..02f45929592e 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -264,6 +264,7 @@ static int fence_mmio_write(struct intel_vgpu *vgpu,
unsigned int off,
{
struct intel_gvt *gvt = vgpu->gvt;
unsigned int fence_num = offset_to_fence_num(off);
+ intel_wakeref_t wakeref;
int ret;
ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
@@ -271,10 +272,10 @@ static int fence_mmio_write(struct intel_vgpu *vgpu,
unsigned int off,
return ret;
write_vreg(vgpu, off, p_data, bytes);
- mmio_hw_access_pre(gvt->gt);
+ wakeref = mmio_hw_access_pre(gvt->gt);
intel_vgpu_write_fence(vgpu, fence_num,
vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
- mmio_hw_access_post(gvt->gt);
+ mmio_hw_access_post(gvt->gt, wakeref);
return 0;
}
@@ -1975,10 +1976,12 @@ static int mmio_read_from_hw(struct intel_vgpu *vgpu,
vgpu == gvt->scheduler.engine_owner[engine->id] ||
offset == i915_mmio_reg_offset(RING_TIMESTAMP(engine->mmio_base)) ||
offset ==
i915_mmio_reg_offset(RING_TIMESTAMP_UDW(engine->mmio_base))) {
- mmio_hw_access_pre(gvt->gt);
+ intel_wakeref_t wakeref;
+
+ wakeref = mmio_hw_access_pre(gvt->gt);
vgpu_vreg(vgpu, offset) =
intel_uncore_read(gvt->gt->uncore, _MMIO(offset));
- mmio_hw_access_post(gvt->gt);
+ mmio_hw_access_post(gvt->gt, wakeref);
}
return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
@@ -3209,10 +3212,12 @@ void intel_gvt_restore_fence(struct intel_gvt *gvt)
int i, id;
idr_for_each_entry(&(gvt)->vgpu_idr, vgpu, id) {
- mmio_hw_access_pre(gvt->gt);
+ intel_wakeref_t wakeref;
+
+ wakeref = mmio_hw_access_pre(gvt->gt);
for (i = 0; i < vgpu_fence_sz(vgpu); i++)
intel_vgpu_write_fence(vgpu, i, vgpu_vreg64(vgpu,
fence_num_to_offset(i)));
- mmio_hw_access_post(gvt->gt);
+ mmio_hw_access_post(gvt->gt, wakeref);
}
}
@@ -3233,8 +3238,10 @@ void intel_gvt_restore_mmio(struct intel_gvt *gvt)
int id;
idr_for_each_entry(&(gvt)->vgpu_idr, vgpu, id) {
- mmio_hw_access_pre(gvt->gt);
+ intel_wakeref_t wakeref;
+
+ wakeref = mmio_hw_access_pre(gvt->gt);
intel_gvt_for_each_tracked_mmio(gvt, mmio_pm_restore_handler,
vgpu);
- mmio_hw_access_post(gvt->gt);
+ mmio_hw_access_post(gvt->gt, wakeref);
}
}
diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c
b/drivers/gpu/drm/i915/gvt/sched_policy.c
index c077fb4674f0..c75b393ab0b7 100644
--- a/drivers/gpu/drm/i915/gvt/sched_policy.c
+++ b/drivers/gpu/drm/i915/gvt/sched_policy.c
@@ -448,6 +448,7 @@ void intel_vgpu_stop_schedule(struct intel_vgpu *vgpu)
struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ intel_wakeref_t wakeref;
if (!vgpu_data->active)
return;
@@ -466,7 +467,7 @@ void intel_vgpu_stop_schedule(struct intel_vgpu *vgpu)
scheduler->current_vgpu = NULL;
}
- intel_runtime_pm_get(&dev_priv->runtime_pm);
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
spin_lock_bh(&scheduler->mmio_context_lock);
for_each_engine(engine, vgpu->gvt->gt, id) {
if (scheduler->engine_owner[engine->id] == vgpu) {
@@ -475,6 +476,6 @@ void intel_vgpu_stop_schedule(struct intel_vgpu *vgpu)
}
}
spin_unlock_bh(&scheduler->mmio_context_lock);
- intel_runtime_pm_put_unchecked(&dev_priv->runtime_pm);
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
mutex_unlock(&vgpu->gvt->sched_lock);
}
--
2.45.3
