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drm/i915: Remove rpm asserts that use i915
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Quite a few of the call points have already switched to the version
working directly on the runtime_pm structure, so let's switch over the
rest and kill the i915-based asserts.

v2: rebase

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613232156.34940-3-daniele.ceraolospurio@intel.com
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Daniele Ceraolo Spurio authored and Chris Wilson committed Jun 14, 2019
1 parent d5b6c27 commit 87b391b
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Showing 11 changed files with 29 additions and 41 deletions.
2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/gem/i915_gem_mman.c
Original file line number Diff line number Diff line change
Expand Up @@ -308,7 +308,7 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf)
goto err_fence;

/* Mark as being mmapped into userspace for later revocation */
assert_rpm_wakelock_held(i915);
assert_rpm_wakelock_held(&i915->runtime_pm);
if (!i915_vma_set_userfault(vma) && !obj->userfault_count++)
list_add(&obj->userfault_link, &i915->ggtt.userfault_list);
if (CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)
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2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/gvt/aperture_gm.c
Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ void intel_vgpu_write_fence(struct intel_vgpu *vgpu,
struct i915_fence_reg *reg;
i915_reg_t fence_reg_lo, fence_reg_hi;

assert_rpm_wakelock_held(dev_priv);
assert_rpm_wakelock_held(&dev_priv->runtime_pm);

if (WARN_ON(fence >= vgpu_fence_sz(vgpu)))
return;
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2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/i915_gem_fence_reg.c
Original file line number Diff line number Diff line change
Expand Up @@ -360,7 +360,7 @@ int i915_vma_pin_fence(struct i915_vma *vma)
* Note that we revoke fences on runtime suspend. Therefore the user
* must keep the device awake whilst using the fence.
*/
assert_rpm_wakelock_held(vma->vm->i915);
assert_rpm_wakelock_held(&vma->vm->i915->runtime_pm);

/* Just update our place in the LRU if our fence is getting reused. */
if (vma->fence) {
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6 changes: 3 additions & 3 deletions drivers/gpu/drm/i915/i915_irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -589,7 +589,7 @@ void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv)

void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv)
{
assert_rpm_wakelock_held(dev_priv);
assert_rpm_wakelock_held(&dev_priv->runtime_pm);

spin_lock_irq(&dev_priv->irq_lock);
gen6_reset_pm_iir(dev_priv, dev_priv->pm_guc_events);
Expand All @@ -598,7 +598,7 @@ void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv)

void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv)
{
assert_rpm_wakelock_held(dev_priv);
assert_rpm_wakelock_held(&dev_priv->runtime_pm);

spin_lock_irq(&dev_priv->irq_lock);
if (!dev_priv->guc.interrupts.enabled) {
Expand All @@ -612,7 +612,7 @@ void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv)

void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv)
{
assert_rpm_wakelock_held(dev_priv);
assert_rpm_wakelock_held(&dev_priv->runtime_pm);

spin_lock_irq(&dev_priv->irq_lock);
dev_priv->guc.interrupts.enabled = false;
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2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/i915_vma.c
Original file line number Diff line number Diff line change
Expand Up @@ -364,7 +364,7 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma)
int err;

/* Access through the GTT requires the device to be awake. */
assert_rpm_wakelock_held(vma->vm->i915);
assert_rpm_wakelock_held(&vma->vm->i915->runtime_pm);

lockdep_assert_held(&vma->vm->i915->drm.struct_mutex);
if (WARN_ON(!i915_vma_is_map_and_fenceable(vma))) {
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2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/intel_csr.c
Original file line number Diff line number Diff line change
Expand Up @@ -273,7 +273,7 @@ void intel_csr_load_program(struct drm_i915_private *dev_priv)
}

fw_size = dev_priv->csr.dmc_fw_size;
assert_rpm_wakelock_held(dev_priv);
assert_rpm_wakelock_held(&dev_priv->runtime_pm);

preempt_disable();

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4 changes: 2 additions & 2 deletions drivers/gpu/drm/i915/intel_display_power.c
Original file line number Diff line number Diff line change
Expand Up @@ -696,7 +696,7 @@ static void assert_can_enable_dc5(struct drm_i915_private *dev_priv)

WARN_ONCE((I915_READ(DC_STATE_EN) & DC_STATE_EN_UPTO_DC5),
"DC5 already programmed to be enabled.\n");
assert_rpm_wakelock_held(dev_priv);
assert_rpm_wakelock_held(&dev_priv->runtime_pm);

assert_csr_loaded(dev_priv);
}
Expand Down Expand Up @@ -1814,7 +1814,7 @@ release_async_put_domains(struct i915_power_domains *power_domains, u64 mask)
* wakeref to make the state checker happy about the HW access during
* power well disabling.
*/
assert_rpm_raw_wakeref_held(dev_priv);
assert_rpm_raw_wakeref_held(&dev_priv->runtime_pm);
wakeref = intel_runtime_pm_get(dev_priv);

for_each_power_domain(domain, mask) {
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26 changes: 7 additions & 19 deletions drivers/gpu/drm/i915/intel_drv.h
Original file line number Diff line number Diff line change
Expand Up @@ -1640,43 +1640,31 @@ assert_rpm_device_not_suspended(struct i915_runtime_pm *rpm)
}

static inline void
____assert_rpm_raw_wakeref_held(struct i915_runtime_pm *rpm, int wakeref_count)
__assert_rpm_raw_wakeref_held(struct i915_runtime_pm *rpm, int wakeref_count)
{
assert_rpm_device_not_suspended(rpm);
WARN_ONCE(!intel_rpm_raw_wakeref_count(wakeref_count),
"RPM raw-wakeref not held\n");
}

static inline void
____assert_rpm_wakelock_held(struct i915_runtime_pm *rpm, int wakeref_count)
__assert_rpm_wakelock_held(struct i915_runtime_pm *rpm, int wakeref_count)
{
____assert_rpm_raw_wakeref_held(rpm, wakeref_count);
__assert_rpm_raw_wakeref_held(rpm, wakeref_count);
WARN_ONCE(!intel_rpm_wakelock_count(wakeref_count),
"RPM wakelock ref not held during HW access\n");
}

static inline void
__assert_rpm_raw_wakeref_held(struct i915_runtime_pm *rpm)
assert_rpm_raw_wakeref_held(struct i915_runtime_pm *rpm)
{
____assert_rpm_raw_wakeref_held(rpm, atomic_read(&rpm->wakeref_count));
__assert_rpm_raw_wakeref_held(rpm, atomic_read(&rpm->wakeref_count));
}

static inline void
assert_rpm_raw_wakeref_held(struct drm_i915_private *i915)
assert_rpm_wakelock_held(struct i915_runtime_pm *rpm)
{
__assert_rpm_raw_wakeref_held(&i915->runtime_pm);
}

static inline void
__assert_rpm_wakelock_held(struct i915_runtime_pm *rpm)
{
____assert_rpm_wakelock_held(rpm, atomic_read(&rpm->wakeref_count));
}

static inline void
assert_rpm_wakelock_held(struct drm_i915_private *i915)
{
__assert_rpm_wakelock_held(&i915->runtime_pm);
__assert_rpm_wakelock_held(rpm, atomic_read(&rpm->wakeref_count));
}

/**
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10 changes: 5 additions & 5 deletions drivers/gpu/drm/i915/intel_runtime_pm.c
Original file line number Diff line number Diff line change
Expand Up @@ -335,21 +335,21 @@ intel_runtime_pm_acquire(struct i915_runtime_pm *rpm, bool wakelock)
{
if (wakelock) {
atomic_add(1 + INTEL_RPM_WAKELOCK_BIAS, &rpm->wakeref_count);
__assert_rpm_wakelock_held(rpm);
assert_rpm_wakelock_held(rpm);
} else {
atomic_inc(&rpm->wakeref_count);
__assert_rpm_raw_wakeref_held(rpm);
assert_rpm_raw_wakeref_held(rpm);
}
}

static void
intel_runtime_pm_release(struct i915_runtime_pm *rpm, int wakelock)
{
if (wakelock) {
__assert_rpm_wakelock_held(rpm);
assert_rpm_wakelock_held(rpm);
atomic_sub(INTEL_RPM_WAKELOCK_BIAS, &rpm->wakeref_count);
} else {
__assert_rpm_raw_wakeref_held(rpm);
assert_rpm_raw_wakeref_held(rpm);
}

__intel_wakeref_dec_and_check_tracking(rpm);
Expand Down Expand Up @@ -465,7 +465,7 @@ intel_wakeref_t intel_runtime_pm_get_noresume(struct drm_i915_private *i915)
{
struct i915_runtime_pm *rpm = &i915->runtime_pm;

__assert_rpm_wakelock_held(rpm);
assert_rpm_wakelock_held(rpm);
pm_runtime_get_noresume(rpm->kdev);

intel_runtime_pm_acquire(rpm, true);
Expand Down
12 changes: 6 additions & 6 deletions drivers/gpu/drm/i915/intel_uncore.c
Original file line number Diff line number Diff line change
Expand Up @@ -583,7 +583,7 @@ void intel_uncore_forcewake_get(struct intel_uncore *uncore,
if (!uncore->funcs.force_wake_get)
return;

__assert_rpm_wakelock_held(uncore->rpm);
assert_rpm_wakelock_held(uncore->rpm);

spin_lock_irqsave(&uncore->lock, irqflags);
__intel_uncore_forcewake_get(uncore, fw_domains);
Expand Down Expand Up @@ -737,7 +737,7 @@ void assert_forcewakes_active(struct intel_uncore *uncore,
if (!uncore->funcs.force_wake_get)
return;

__assert_rpm_wakelock_held(uncore->rpm);
assert_rpm_wakelock_held(uncore->rpm);

fw_domains &= uncore->fw_domains;
WARN(fw_domains & ~uncore->fw_domains_active,
Expand Down Expand Up @@ -1054,7 +1054,7 @@ unclaimed_reg_debug(struct intel_uncore *uncore,

#define GEN2_READ_HEADER(x) \
u##x val = 0; \
__assert_rpm_wakelock_held(uncore->rpm);
assert_rpm_wakelock_held(uncore->rpm);

#define GEN2_READ_FOOTER \
trace_i915_reg_rw(false, reg, val, sizeof(val), trace); \
Expand Down Expand Up @@ -1096,7 +1096,7 @@ __gen2_read(64)
u32 offset = i915_mmio_reg_offset(reg); \
unsigned long irqflags; \
u##x val = 0; \
__assert_rpm_wakelock_held(uncore->rpm); \
assert_rpm_wakelock_held(uncore->rpm); \
spin_lock_irqsave(&uncore->lock, irqflags); \
unclaimed_reg_debug(uncore, reg, true, true)

Expand Down Expand Up @@ -1170,7 +1170,7 @@ __gen6_read(64)

#define GEN2_WRITE_HEADER \
trace_i915_reg_rw(true, reg, val, sizeof(val), trace); \
__assert_rpm_wakelock_held(uncore->rpm); \
assert_rpm_wakelock_held(uncore->rpm); \

#define GEN2_WRITE_FOOTER

Expand Down Expand Up @@ -1208,7 +1208,7 @@ __gen2_write(32)
u32 offset = i915_mmio_reg_offset(reg); \
unsigned long irqflags; \
trace_i915_reg_rw(true, reg, val, sizeof(val), trace); \
__assert_rpm_wakelock_held(uncore->rpm); \
assert_rpm_wakelock_held(uncore->rpm); \
spin_lock_irqsave(&uncore->lock, irqflags); \
unclaimed_reg_debug(uncore, reg, false, true)

Expand Down
2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/intel_wakeref.c
Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ void intel_wakeref_auto(struct intel_wakeref_auto *wf, unsigned long timeout)
}

/* Our mission is that we only extend an already active wakeref */
assert_rpm_wakelock_held(wf->i915);
assert_rpm_wakelock_held(&wf->i915->runtime_pm);

if (!refcount_inc_not_zero(&wf->count)) {
spin_lock_irqsave(&wf->lock, flags);
Expand Down

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