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: Thu, 15 Jun 2017 19:41:50 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0334863943==" 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 BB0B26E801 for ; Thu, 15 Jun 2017 19:41:50 +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 --===============0334863943== Content-Type: multipart/alternative; boundary="14975557105.7ADA9ecc5.21035"; charset="UTF-8" --14975557105.7ADA9ecc5.21035 Date: Thu, 15 Jun 2017 19:41:50 +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 #63 from Alex Deucher --- (In reply to iuno from comment #62) > It works for me, too, but I already said that ;-) >=20 > However, the problem Pavel describes is another bothersome issue. PowerPl= ay > changes to the higher memory DPM state which results in ~40 Watts (Hawaii; > estimated from memory, have to measure and confirm again) more power draw. > The higher DPM state is required, otherwise the flickering appears. > On Windows, this isn't the case and WQHD at 144 Hz works with the low mem= ory > clock. I assume they raise the voltage independently to the clock in that > case to maintain stability. Are you forcing the power state to high? The mclk shouldn't be affected by= the display clock. --=20 You are receiving this mail because: You are the assignee for the bug.= --14975557105.7ADA9ecc5.21035 Date: Thu, 15 Jun 2017 19:41:50 +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 # 63 on bug 93826<= /a> from Alex Deucher 
(In reply to iuno from comment #62)
> It works for me, too, but I already said that ;-)
>=20
> However, the problem Pavel describes is another bothersome issue. Powe=
rPlay
> changes to the higher memory DPM state which results in ~40 Watts (Haw=
aii;
> estimated from memory, have to measure and confirm again) more power d=
raw.
> The higher DPM state is required, otherwise the flickering appears.
> On Windows, this isn't the case and WQHD at 144 Hz works with the low =
memory
> clock. I assume they raise the voltage independently to the clock in t=
hat
> case to maintain stability.

Are you forcing the power state to high?  The mclk shouldn't be affected by=
 the
display clock.

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