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 20:34:32 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0183738879==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 5BFDE6EBEE for ; Fri, 16 Mar 2018 20:34:32 +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 --===============0183738879== Content-Type: multipart/alternative; boundary="15212324720.972e1F4fD.20675" Content-Transfer-Encoding: 7bit --15212324720.972e1F4fD.20675 Date: Fri, 16 Mar 2018 20:34:32 +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 #7 from philipmorant@gmail.com --- There are 3 physical motherboard sockets: HDMI, DVI DL, and D-SUB. xrandr reports the D-SUB as DisplayPort-0. In kernel versions before 4.10 I used to have to hack the i915 code as foll= ows (in intel_hdmi.c): @@ -849,7 +849,7 @@ static int hdmi_portclock_limit(struct intel_hdmi *hdmi, bool respect_dvi_limit) { struct drm_device *dev =3D intel_hdmi_to_dev(hdmi); - if ((respect_dvi_limit && !hdmi->has_hdmi_sink) || IS_G4X(dev)) + if (IS_G4X(dev)) return 165000; else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >=3D 8) return 300000; After 4.10 came out the hack became unnecessary. --=20 You are receiving this mail because: You are the assignee for the bug.= --15212324720.972e1F4fD.20675 Date: Fri, 16 Mar 2018 20:34:32 +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 # 7 on bug 10553= 4 from philipmora= nt@gmail.com 
There are 3 physical motherboard sockets: HDMI, DVI DL, and D-=
SUB.
xrandr reports the D-SUB as DisplayPort-0.

In kernel versions before 4.10 I used to have to hack the i915 code as foll=
ows
 (in intel_hdmi.c):

@@ -849,7 +849,7 @@ static int hdmi_portclock_limit(struct =
intel_hdmi *hdmi,
bool respect_dvi_limit)
{
    struct drm_device *dev =3D intel_hdmi_to_dev(hdmi);

-   if ((respect_dvi_limit && !hdmi->has_hdmi_sink) || IS_G4X(de=
v))
+   if (IS_G4X(dev))
       return 165000;
    else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >=3D 8)
       return 300000;

After 4.10 came out the hack became unnecessary.

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