From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 93826] 2560x1440 @144Hz graphic glitches and bad refresh rate Date: Wed, 14 Jun 2017 08:15:22 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1355558774==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id 177CF6E455 for ; Wed, 14 Jun 2017 08:15:22 +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 --===============1355558774== Content-Type: multipart/alternative; boundary="14974281221.2fAd5bBf1.6946"; charset="UTF-8" --14974281221.2fAd5bBf1.6946 Date: Wed, 14 Jun 2017 08:15:22 +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=3D93826 --- Comment #58 from qqel@outlook.com --- (In reply to iuno from comment #55) > Make sure to raise the DC clock above the default value, e.g. to 625 MHz > (value 62500) >=20 > If you use amdgpu: in amdgpu_atombios.c adev->clock.default_dispclk > If you use radeon: in atombios_crtc.c rdev->clock.default_dispclk >=20 > That should fix the broken image. To fix flickering, set mclk to high (ec= ho > 1 > /sys/class/drm/card0/device/power_dpm_force_performance_level) Confirming that this fixed the issue! MG279Q, r9 290 with amdgpu. Didn't ha= ve to touch the mclk. --=20 You are receiving this mail because: You are the assignee for the bug.= --14974281221.2fAd5bBf1.6946 Date: Wed, 14 Jun 2017 08:15:22 +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

Commen= t # 58 on bug 93826<= /a> from qqel@outlook.com 
(In reply to iuno from comment #55)
> Make sure to raise the DC clock above the defaul=
t value, e.g. to 625 MHz
> (value 62500)
>=20
> If you use amdgpu: in amdgpu_atombios.c adev->clock.default_dispclk
> If you use radeon: in atombios_crtc.c rdev->clock.default_dispclk
>=20
> That should fix the broken image. To fix flickering, set mclk to high =
(echo
> 1 > /sys/class/drm/card0/device/power_dpm_force_performance_level)<=
/span >

Confirming that this fixed the issue! MG279Q, r9 290 with amdgpu. Didn't ha=
ve
to touch the mclk.

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