Re: [RFC 5/7] drm/i915: Add flip_done_handler definition

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Em sex, 2020-03-06 às 17:09 +0530, Karthik B S escreveu:
> Send the flip done event in the handler and disable the interrupt.
> 
> Signed-off-by: Karthik B S <karthik.b.s@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_irq.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 5955e737a45d..1feda9aecf4a 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1243,6 +1243,24 @@ display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
>  			     u32 crc4) {}
>  #endif
>  
> +static void flip_done_handler(struct drm_i915_private *dev_priv,
> +			      unsigned int pipe)

The compiler is going to complain that we added a static function with
no caller.

See my comment on commit 1: please squash this patch with the one that
makes use of the new function.

> +{
> +	struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
> +	struct drm_crtc_state *crtc_state = crtc->base.state;
> +	struct drm_device *dev = &dev_priv->drm;
> +	unsigned long irqflags;
> +
> +	spin_lock_irqsave(&dev->event_lock, irqflags);
> +
> +	if (crtc_state->event->base.event->type == DRM_EVENT_FLIP_COMPLETE) {
> +		drm_crtc_send_vblank_event(&crtc->base, crtc_state->event);
> +		crtc_state->event = NULL;
> +	}
> +
> +	spin_unlock_irqrestore(&dev->event_lock, irqflags);
> +	icl_disable_flip_done(&crtc->base);
> +}
>  
>  static void hsw_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
>  				     enum pipe pipe)

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