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 <[email protected]>
> ---
> 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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