From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 105534] amdgpu cannot set 2560x1440@60 mode even though monitor,gpu and motherboard support it Date: Fri, 16 Mar 2018 13:49:06 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1807972340==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id B9C996EB55 for ; Fri, 16 Mar 2018 13:49:05 +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 --===============1807972340== Content-Type: multipart/alternative; boundary="15212081450.0e0Ef68.21972" Content-Transfer-Encoding: 7bit --15212081450.0e0Ef68.21972 Date: Fri, 16 Mar 2018 13:49:05 +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=3D105534 --- Comment #4 from philipmorant@gmail.com --- Thanks for replies. My monitor is DVI DL only. My old Haswell i5 4670 with HD4600 graphics was also single link DVI only (https://communities.intel.com/thread/44135), and it worked at 60Hz. Could somebody please explain why haswell can do it but raven can't ? Otherwise I find myself assuming that the hardware is capable of DL DVI, ju= st that the manufacturers aren't validating for it, ergo fixable in software. I understand if AMD object to coding for something that hasn't been validat= ed (I'd do the same myself). Would it be possible alternatively to provide hi= nts in log output or code comments or on a wiki somewhere, such that people in = my position can hack the source themselves ? Secondly, even accepting the single link limitation, shouldn't it be possib= le to run at 33 refresh rate ? I tried at 30 and got nothing. Thirdly, why does amdgpu refer to the connection as HDMI-A-3 ? There's no = HDMI in the setup at all. --=20 You are receiving this mail because: You are the assignee for the bug.= --15212081450.0e0Ef68.21972 Date: Fri, 16 Mar 2018 13:49:05 +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

Commen= t # 4 on bug 10553= 4 from philipmora= nt@gmail.com 
Thanks for replies. My monitor is DVI DL only.

My old Haswell i5 4670 with HD4600 graphics was also single link DVI only
(https://communities=
.intel.com/thread/44135), and it worked at 60Hz. Could
somebody please explain why haswell can do it but raven can't ?

Otherwise I find myself assuming that the hardware is capable of DL DVI, ju=
st
that the manufacturers aren't validating for it, ergo fixable in software.

I understand if AMD object to coding for something that hasn't been validat=
ed
(I'd do the same myself).  Would it be possible alternatively to provide hi=
nts
in log output or code comments or on a wiki somewhere, such that people in =
my
position can hack the source themselves ?

Secondly, even accepting the single link limitation, shouldn't it be possib=
le
to run at 33 refresh rate ?  I tried at 30 and got nothing.

Thirdly, why does amdgpu refer to the connection as HDMI-A-3 ?  There's no =
HDMI
in the setup at all.

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