Em Qua, 2016-02-10 às 13:49 +0100, Maarten Lankhorst escreveu:
> intel_post_plane_update did an extra vblank wait that's no longer
> needed when enabling ips.
>
> Signed-off-by: Maarten Lankhorst <[email protected]>
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 6bb1f5dbc7a0..19a8d376d63e 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -4569,9 +4569,6 @@ void hsw_enable_ips(struct intel_crtc *crtc)
> if (!crtc->config->ips_enabled)
> return;
>
> - /* We can only enable IPS after we enable a plane and wait
> for a vblank */
Perhaps we can keep the comment, but change it into something like:
/* We can only enable IPS after we enable a plane and wait for a
vblank, but we don't need the wait here because of XYZ. */
> - intel_wait_for_vblank(dev, crtc->pipe);
> -
> assert_plane_enabled(dev_priv, crtc->plane);
> if (IS_BROADWELL(dev)) {
> mutex_lock(&dev_priv->rps.hw_lock);
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