On Tue, Oct 06, 2020 at 09:58:09PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> Add a small wrapper for .hpd_irq_setup() which does the
> "do we even have the hook?" and "are display interrupts enabled?"
> checks.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Reviewed-by: Imre Deak <imre.d...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_hotplug.c | 22 +++++++++++---------
> 1 file changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c
> b/drivers/gpu/drm/i915/display/intel_hotplug.c
> index 5c58c1ed6493..6110d71b4f14 100644
> --- a/drivers/gpu/drm/i915/display/intel_hotplug.c
> +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
> @@ -213,6 +213,12 @@ intel_hpd_irq_storm_switch_to_polling(struct
> drm_i915_private *dev_priv)
> }
> }
>
> +static void intel_hpd_irq_setup(struct drm_i915_private *i915)
> +{
> + if (i915->display_irqs_enabled && i915->display.hpd_irq_setup)
> + i915->display.hpd_irq_setup(i915);
> +}
> +
> static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
> {
> struct drm_i915_private *dev_priv =
> @@ -248,8 +254,7 @@ static void intel_hpd_irq_storm_reenable_work(struct
> work_struct *work)
> dev_priv->hotplug.stats[pin].state = HPD_ENABLED;
> }
>
> - if (dev_priv->display_irqs_enabled && dev_priv->display.hpd_irq_setup)
> - dev_priv->display.hpd_irq_setup(dev_priv);
> + intel_hpd_irq_setup(dev_priv);
>
> spin_unlock_irq(&dev_priv->irq_lock);
>
> @@ -556,8 +561,8 @@ void intel_hpd_irq_handler(struct drm_i915_private
> *dev_priv,
> * Disable any IRQs that storms were detected on. Polling enablement
> * happens later in our hotplug work.
> */
> - if (storm_detected && dev_priv->display_irqs_enabled)
> - dev_priv->display.hpd_irq_setup(dev_priv);
> + if (storm_detected)
> + intel_hpd_irq_setup(dev_priv);
> spin_unlock(&dev_priv->irq_lock);
>
> /*
> @@ -602,12 +607,9 @@ void intel_hpd_init(struct drm_i915_private *dev_priv)
> * Interrupt setup is already guaranteed to be single-threaded, this is
> * just to make the assert_spin_locked checks happy.
> */
> - if (dev_priv->display_irqs_enabled && dev_priv->display.hpd_irq_setup) {
> - spin_lock_irq(&dev_priv->irq_lock);
> - if (dev_priv->display_irqs_enabled)
> - dev_priv->display.hpd_irq_setup(dev_priv);
> - spin_unlock_irq(&dev_priv->irq_lock);
> - }
> + spin_lock_irq(&dev_priv->irq_lock);
> + intel_hpd_irq_setup(dev_priv);
> + spin_unlock_irq(&dev_priv->irq_lock);
> }
>
> static void i915_hpd_poll_init_work(struct work_struct *work)
> --
> 2.26.2
>
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