Now that we use the runtime IRQ enable/disable functions in our suspend
path, we can simply check the pm._irqs_disabled flag everywhere. So
rename it to catch the users, and add an inline for it to make the
checks clear everywhere.
Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 2 +-
drivers/gpu/drm/i915/i915_gem.c | 2 +-
drivers/gpu/drm/i915/i915_irq.c | 16 ++++++++--------
drivers/gpu/drm/i915/intel_display.c | 2 +-
drivers/gpu/drm/i915/intel_drv.h | 9 ++++++++-
drivers/gpu/drm/i915/intel_pm.c | 6 +++---
7 files changed, 23 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 76c2572..f3c0482 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2076,7 +2076,7 @@ static int i915_pc8_status(struct seq_file *m, void *unused)
seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy));
seq_printf(m, "IRQs disabled: %s\n",
- yesno(dev_priv->pm.irqs_disabled));
+ yesno(!intel_irqs_enabled(dev_priv)));
return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0640071..d12e9b7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1298,7 +1298,7 @@ struct ilk_wm_values {
*/
struct i915_runtime_pm {
bool suspended;
- bool irqs_disabled;
+ bool _irqs_disabled;
};
enum intel_pipe_crc_source {
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d857f58..2f1815e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1161,7 +1161,7 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
unsigned long timeout_expire;
int ret;
- WARN(dev_priv->pm.irqs_disabled, "IRQs disabled\n");
+ WARN(!intel_irqs_enabled(dev_priv), "IRQs disabled");
if (i915_seqno_passed(ring->get_seqno(ring, true), seqno))
return 0;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index fe3b309..bc953cc 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -136,7 +136,7 @@ ironlake_enable_display_irq(struct drm_i915_private *dev_priv, u32 mask)
{
assert_spin_locked(&dev_priv->irq_lock);
- if (WARN_ON(dev_priv->pm.irqs_disabled))
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
return;
if ((dev_priv->irq_mask & mask) != 0) {
@@ -151,7 +151,7 @@ ironlake_disable_display_irq(struct drm_i915_private *dev_priv, u32 mask)
{
assert_spin_locked(&dev_priv->irq_lock);
- if (dev_priv->pm.irqs_disabled)
+ if (!intel_irqs_enabled(dev_priv))
return;
if ((dev_priv->irq_mask & mask) != mask) {
@@ -173,7 +173,7 @@ static void ilk_update_gt_irq(struct drm_i915_private *dev_priv,
{
assert_spin_locked(&dev_priv->irq_lock);
- if (WARN_ON(dev_priv->pm.irqs_disabled))
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
return;
dev_priv->gt_irq_mask &= ~interrupt_mask;
@@ -206,7 +206,7 @@ static void snb_update_pm_irq(struct drm_i915_private *dev_priv,
assert_spin_locked(&dev_priv->irq_lock);
- if (WARN_ON(dev_priv->pm.irqs_disabled))
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
return;
new_val = dev_priv->pm_irq_mask;
@@ -264,7 +264,7 @@ static void bdw_update_pm_irq(struct drm_i915_private *dev_priv,
assert_spin_locked(&dev_priv->irq_lock);
- if (WARN_ON(dev_priv->pm.irqs_disabled))
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
return;
new_val = dev_priv->pm_irq_mask;
@@ -420,7 +420,7 @@ static void ibx_display_interrupt_update(struct drm_i915_private *dev_priv,
assert_spin_locked(&dev_priv->irq_lock);
- if (WARN_ON(dev_priv->pm.irqs_disabled))
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
return;
I915_WRITE(SDEIMR, sdeimr);
@@ -4478,7 +4478,7 @@ void intel_runtime_pm_disable_interrupts(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
dev->driver->irq_uninstall(dev);
- dev_priv->pm.irqs_disabled = true;
+ dev_priv->pm._irqs_disabled = true;
}
/* Restore interrupts so we can recover from runtime PM. */
@@ -4486,7 +4486,7 @@ void intel_runtime_pm_restore_interrupts(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- dev_priv->pm.irqs_disabled = false;
+ dev_priv->pm._irqs_disabled = false;
dev->driver->irq_preinstall(dev);
dev->driver->irq_postinstall(dev);
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5e8e711..d993b69 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7323,7 +7323,7 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv)
* gen-specific and since we only disable LCPLL after we fully disable
* the interrupts, the check below should be enough.
*/
- WARN(!dev_priv->pm.irqs_disabled, "IRQs enabled\n");
+ WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n");
}
static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index ab5962b..4912738 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -687,7 +687,14 @@ void intel_runtime_pm_disable_interrupts(struct drm_device *dev);
void intel_runtime_pm_restore_interrupts(struct drm_device *dev);
int intel_get_crtc_scanline(struct intel_crtc *crtc);
void i9xx_check_fifo_underruns(struct drm_device *dev);
-
+static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv)
+{
+ /*
+ * We only use drm_irq_uninstall() at unload and VT switch, so
+ * this is the only thing we need to check.
+ */
+ return !dev_priv->pm._irqs_disabled;
+}
/* intel_crt.c */
void intel_crt_init(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0bf9b0c..88734cb 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4879,7 +4879,7 @@ void intel_suspend_gt_powersave(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
/* Interrupts should be disabled already to avoid re-arming. */
- WARN_ON(dev->irq_enabled && !dev_priv->pm.irqs_disabled);
+ WARN_ON(intel_irqs_enabled(dev_priv));
flush_delayed_work(&dev_priv->rps.delayed_resume_work);
@@ -4891,7 +4891,7 @@ void intel_disable_gt_powersave(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
/* Interrupts should be disabled already to avoid re-arming. */
- WARN_ON(dev->irq_enabled && !dev_priv->pm.irqs_disabled);
+ WARN_ON(intel_irqs_enabled(dev_priv));
if (IS_IRONLAKE_M(dev)) {
ironlake_disable_drps(dev);
@@ -6802,5 +6802,5 @@ void intel_pm_setup(struct drm_device *dev)
intel_gen6_powersave_work);
dev_priv->pm.suspended = false;
- dev_priv->pm.irqs_disabled = false;
+ dev_priv->pm._irqs_disabled = false;
}
--
1.8.3.2
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