[Intel-gfx] [PATCH] drm/i915/vlv: don't wait for vblank after pipe enable

Daniel Vetter daniel at ffwll.ch
Tue May 13 08:08:55 CEST 2014


On Tue, May 13, 2014 at 12:37 AM, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> Like on ILK, the pipe won't be running until later on.

Like on ilk?! Since when is vlv display derived from that? "[PATCH
3/4] drm/i915: Kill vblank waits after pipe enable on gmch platforms"
from Ville makes a more consistent impression to me. Also, and
Bugzilla: tags for this one?
-Daniel

> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/intel_display.c |    1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index c65e7f7..c66d2ea 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -4344,7 +4344,6 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
>
>         intel_update_watermarks(crtc);
>         intel_enable_pipe(intel_crtc);
> -       intel_wait_for_vblank(dev_priv->dev, pipe);
>         intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
>
>         intel_enable_primary_hw_plane(dev_priv, plane, pipe);
> --
> 1.7.9.5
>
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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