2015-08-19 15:13 GMT-03:00 :
> From: Ville Syrjälä
>
> Runtime suspends disabled all interrupts, so in order to get them back
> fully we need to also do the HPD irq setup on runtime resume. Except
> on VLV/CHV where the display interrupt initialization is part of the
> display power well powerup.
>
> Signed-off-by: Ville Syrjälä
> ---
> drivers/gpu/drm/i915/i915_drv.c | 9 +
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 1d88745..4bbd3b7 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1549,6 +1549,15 @@ static int intel_runtime_resume(struct device *device)
> gen6_update_ring_freq(dev);
>
> intel_runtime_pm_enable_interrupts(dev_priv);
> +
> + /*
> +* On VLV/CHV display interrupts are part of the display
> +* power well, so hpd is reinitialized from there. For
> +* everyone else do it here.
> +*/
> + if (!IS_VALLEYVIEW(dev_priv))
> + intel_hpd_init(dev_priv);
Maybe we should put this inside intel_runtime_pm_enable_interrupts()?
Either way: Reviewed-by: Paulo Zanoni
> +
> intel_enable_gt_powersave(dev);
>
> if (ret)
> --
> 2.4.6
>
> ___
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Paulo Zanoni
___
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
