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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 111482] Sapphire Pulse RX 5700 XT power consumption
Date: Thu, 05 Sep 2019 14:53:50 +0000	[thread overview]
Message-ID: <bug-111482-502-84lYh1G9oV@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-111482-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=111482

--- Comment #14 from Ilia Mirkin <imirkin@alum.mit.edu> ---
(In reply to Robert from comment #12)
> At least I now know that I can't do anything further. It just would be cool
> if one of the AMD engineers could confirm my assumption that with a
> resolution of 5144x1440 the card always runs at highest memory clock speed
> as it does with a multi monitor setup (from what I've read so far).

[Note, I'm not an AMD engineer.]

In some monitors, such high modes are actually exposed by presenting multiple
"tiles" as separate screens. As far as the GPU is concerned, it's 2 actual
monitors (this can only work with DisplayPort, of course).

Can you check if this is the case? I believe "xrandr" should report 2 separate
monitors in this situation. You mention you have a 49WL95C-W, which the
internet suggests is indeed just 2 panels placed next to each other in a nice
plastic case.

And in such cases, I believe the AMD drivers clock to the highest rate, since
reclocks will cause flickering (since the vsync's of the 2 monitors aren't
sync'd to one another).

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  parent reply	other threads:[~2019-09-05 14:53 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-25  8:43 [Bug 111482] Sapphire Pulse RX 5700 XT power consumption bugzilla-daemon
2019-08-26 23:07 ` bugzilla-daemon
2019-08-27  4:47 ` bugzilla-daemon
2019-08-27  7:25 ` bugzilla-daemon
2019-08-27 22:20 ` bugzilla-daemon
2019-08-28 14:25 ` bugzilla-daemon
2019-08-29 16:27 ` bugzilla-daemon
2019-09-03  9:35 ` bugzilla-daemon
2019-09-03 16:54 ` bugzilla-daemon
2019-09-04  1:16 ` bugzilla-daemon
2019-09-04 22:16 ` bugzilla-daemon
2019-09-05  1:01 ` bugzilla-daemon
2019-09-05  2:20 ` bugzilla-daemon
2019-09-05 14:21 ` bugzilla-daemon
2019-09-05 14:24 ` bugzilla-daemon
2019-09-05 14:53 ` bugzilla-daemon [this message]
2019-09-05 18:16 ` bugzilla-daemon
2019-09-08  2:02 ` bugzilla-daemon
2019-09-10 19:27 ` bugzilla-daemon
2019-09-27 10:49 ` bugzilla-daemon
2019-09-27 10:51 ` bugzilla-daemon
2019-09-28  7:38 ` bugzilla-daemon
2019-09-28  9:05 ` bugzilla-daemon
2019-09-28 10:14 ` bugzilla-daemon
2019-10-05 11:55 ` bugzilla-daemon
2019-10-05 12:20 ` bugzilla-daemon
2019-10-06  4:45 ` bugzilla-daemon
2019-10-07  8:31 ` bugzilla-daemon
2019-10-07 10:05 ` bugzilla-daemon
2019-10-26  8:33 ` bugzilla-daemon
2019-11-01  3:01 ` bugzilla-daemon
2019-11-02  4:22 ` bugzilla-daemon
2019-11-03 16:55 ` bugzilla-daemon
2019-11-04 16:31 ` bugzilla-daemon
2019-11-04 16:42 ` bugzilla-daemon
2019-11-04 23:48 ` bugzilla-daemon
2019-11-05  0:37 ` bugzilla-daemon
2019-11-05  0:43 ` bugzilla-daemon
2019-11-05  0:50 ` bugzilla-daemon
2019-11-05  5:57 ` bugzilla-daemon
2019-11-08  1:35 ` bugzilla-daemon
2019-11-08  1:36 ` bugzilla-daemon
2019-11-08  6:36 ` bugzilla-daemon
2019-11-19  9:50 ` bugzilla-daemon

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