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 <[email protected]> --- 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 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
