From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH 4.1,4.2] drm/i915: Silence DDR DVFS errors on CHV Date: Sat, 17 Oct 2015 13:30:37 -0700 Message-ID: <20151017203037.GA6884@kroah.com> References: <1443467351-16199-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1443467351-16199-1-git-send-email-ville.syrjala@linux.intel.com> Sender: stable-owner@vger.kernel.org To: ville.syrjala@linux.intel.com Cc: intel-gfx@lists.freedesktop.org, stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org On Mon, Sep 28, 2015 at 10:09:11PM +0300, ville.syrjala@linux.intel.com= wrote: > From: Ville Syrj=E4l=E4 >=20 > commit 58590c14d80defc94e900308a9d8fa55284de6f2 upstream. This is not the commit id of the patch below at all, I can't take this, please be more careful in the future. thanks, greg k-h >=20 > 58590c1 drm/i915: Don't try to use DDR DVFS on CHV when disabled in t= he BIOS > can't be backported as is because proper DDR DVFS support didn't even > exist before > 6f9c784 drm/i915: Don't do PM5/DDR DVFS with multiple pipes >=20 > However we still want to get rid of the error messages. The simplest = thing > is to just suppress them, so let's do that instead. >=20 > Cc: # 4.1, 4.2 > Signed-off-by: Ville Syrj=E4l=E4 > --- > drivers/gpu/drm/i915/intel_pm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/i= ntel_pm.c > index eadc15c..4a904f2 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -303,7 +303,7 @@ static void chv_set_memory_dvfs(struct drm_i915_p= rivate *dev_priv, bool enable) > =20 > if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DDR_SETUP2) & > FORCE_DDR_FREQ_REQ_ACK) =3D=3D 0, 3)) > - DRM_ERROR("timed out waiting for Punit DDR DVFS request\n"); > + DRM_DEBUG_DRIVER("timed out waiting for Punit DDR DVFS request\n")= ; > =20 > mutex_unlock(&dev_priv->rps.hw_lock); > } > --=20 > 2.4.6 >=20 > -- > To unsubscribe from this list: send the line "unsubscribe stable" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html