On Wed, Sep 03, 2014 at 11:52:43AM +0300, Ville Syrjälä wrote:
> On Tue, Sep 02, 2014 at 04:53:57PM -0300, Paulo Zanoni wrote:
> > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> >
> > Currently, CHV is using the same functions as HSW/BDW instead of the
> > same functions as VLV. This looks wrong, especially since, for
> > example, valleyview_modeset_global_resouces even has an IS_CHERRYVIEW
> > check.
> >
> > This patch has the potential to fix display audio and the CHV CDCLK.
> >
> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> Whoops. These things seem to slip through a lot. I can imediately
> spot another IS_GEN8 fumble with intel_frontbuffer_flush().
>
> Anyway this patch is:
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> > ---
> > drivers/gpu/drm/i915/intel_display.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> >
> > This is completely untested! But maybe it should go to fixes/stable.
>
> Yes. -fixes at least so we get it into 3.17. I'll spin it up on my bsw
> and make sure it doesn't explode in some unforseen way.
chv is still hidden behind the preliminary_hw flag, so no need for -fixes.
But we need the patch to remove this flag asap since the 3.18 merge window
will close roughly this week (if Dave really puts through his stance on
closing drm-next when -rc5 hits the streets).
Queued for -next, thanks for the patch.
-Daniel
>
> >
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index c092ff4..e6cae59 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -12550,7 +12550,7 @@ static void intel_init_display(struct drm_device *dev)
> > dev_priv->display.write_eld = ironlake_write_eld;
> > dev_priv->display.modeset_global_resources =
> > ivb_modeset_global_resources;
> > - } else if (IS_HASWELL(dev) || IS_GEN8(dev)) {
> > + } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
> > dev_priv->display.fdi_link_train = hsw_fdi_link_train;
> > dev_priv->display.write_eld = haswell_write_eld;
> > dev_priv->display.modeset_global_resources =
> > --
> > 2.1.0
>
> --
> Ville Syrjälä
> Intel OTC
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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