From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.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 [thread overview]
Message-ID: <bug-105534-502-vowlht6wbv@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-105534-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=105534
--- 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 follows
(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 = 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 >= 8)
return 300000;
After 4.10 came out the hack became unnecessary.
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next prev parent reply other threads:[~2018-03-16 20:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-16 0:00 [Bug 105534] amdgpu cannot set 2560x1440@60 mode even though monitor,gpu and motherboard support it bugzilla-daemon
2018-03-16 1:38 ` bugzilla-daemon
2018-03-16 10:38 ` bugzilla-daemon
2018-03-16 10:50 ` bugzilla-daemon
2018-03-16 13:49 ` bugzilla-daemon
2018-03-16 19:50 ` bugzilla-daemon
2018-03-16 20:08 ` bugzilla-daemon
2018-03-16 20:34 ` bugzilla-daemon [this message]
2018-03-19 14:09 ` bugzilla-daemon
2018-03-19 15:14 ` bugzilla-daemon
2018-03-19 15:15 ` bugzilla-daemon
2018-03-19 15:17 ` bugzilla-daemon
2018-03-19 15:26 ` bugzilla-daemon
2018-03-19 16:02 ` bugzilla-daemon
2018-03-19 16:07 ` bugzilla-daemon
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