From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 104412] RX 460 HDMI 4k 60fps not working, DisplayPort is. Date: Tue, 27 Mar 2018 19:04:22 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1412776539==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 690576E685 for ; Tue, 27 Mar 2018 19:04:22 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1412776539== Content-Type: multipart/alternative; boundary="15221774623.ceF9Ef0.4605" Content-Transfer-Encoding: 7bit --15221774623.ceF9Ef0.4605 Date: Tue, 27 Mar 2018 19:04:22 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D104412 --- Comment #14 from S.H. --- (In reply to Alfe from comment #12) > (In reply to S.H. from comment #6) > > Hello, > > Last night I was able to get my hands on a Gigabyte RX460 and did some > > testing. > > Booting and normal startup with the Gigabyte also only used 4k@30Hz but= I > > was able to reach 4k@60Hz by adding a modeline via xrandr. > > With the Saphhire I am not able to get 4k@60Hz even with a custom model= ine > > set via xrandr. > > Something seems broken here and I don't think both vendors messed up th= eir > > cards. >=20 > Hi! Since I'm also trying around with this, it would be really helpful if > you shared your modeline with which you were able to achieve 4k@60Hz ;-) >=20 > Cheers, Alfe Hi, I use these three lines to achieve 60Hz output: xrandr --newmode "mymode" 594 3840 4016 4104 4400 2160 2168 2178 2250 +hs= ync +vsync xrandr --addmode HDMI-A-0 mymode xrandr --output HDMI-A-0 --mode mymode Cheers, Sven --=20 You are receiving this mail because: You are the assignee for the bug.= --15221774623.ceF9Ef0.4605 Date: Tue, 27 Mar 2018 19:04:22 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 14 on bug 10441= 2 from S.H. 
(In reply to Alfe from comment #12)
> (In reply to S.H. from comment #6)
> > Hello,
> > Last night I was able to get my hands on a Gigabyte RX460 and did=
 some
> > testing.
> > Booting and normal startup with the Gigabyte also only used 4k=
4;30Hz but I
> > was able to reach 4k@60Hz by adding a modeline via xrandr.
> > With the Saphhire I am not able to get 4k@60Hz even with a cu=
stom modeline
> > set via xrandr.
> > Something seems broken here and I don't think both vendors messed=
 up their
> > cards.
>=20
> Hi!  Since I'm also trying around with this, it would be really helpfu=
l if
> you shared your modeline with which you were able to achieve 4k@60=
Hz ;-)
>=20
> Cheers, Alfe

Hi,
I use these three lines to achieve 60Hz output:
xrandr --newmode "mymode" 594  3840 4016 4104 4400  2160 2168 217=
8 2250 +hsync
+vsync
xrandr --addmode HDMI-A-0 mymode
xrandr --output HDMI-A-0 --mode mymode

Cheers,
Sven

You are receiving this mail because:
  • You are the assignee for the bug.
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