[Bug 94387] New: Approx 35W more power usage in multi-screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94387

            Bug ID: 94387
           Summary: Approx 35W more power usage in multi-screen
           Product: xorg
           Version: 7.6 (2010.12)
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: netwiz at crc.id.au
        QA Contact: xorg-team at lists.x.org

When using multiscreen on the radeon driver, dpm is disabled. This means the
adapter draws approx 35W more power due to no dynamic power management.

While I would love to continue to use this card + radeon driver (which works
perfectly in all other regards), the extra heat generated make this not an
option.

Multi-monitor configs are becoming more and more common - but they are almost
unusable power / heat wise.

While this is probably a pipe-dream - what are the chances of getting some form
of power management that isn't just "severely cripple the card"?

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