[Bug 50248] [IVB, VLV] cursor lp3 latency correction

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50248

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit af6c4575afada1a9c411e42439b5d40908865b11
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Dec 11 12:01:43 2012 +0000

    drm/i915: Double the cursor self-refresh latency on Valleyview

    It operates at twice the declared latency, so double the latency value
    used for the cursor watermark calculation.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50248
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    CC: Jesse Barnes <jbarnes at virtuousgeek.org>
    Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

commit c43d0188d7be6e45eb52a27ed9df714ca2e04e0a
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Dec 11 12:01:42 2012 +0000

    drm/i915: Fixup cursor latency used for IVB lp3 watermarks

    It operates at twice the declared latency, so adjust the computation to
    avoid potential flicker at low power.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50248
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    CC: Jesse Barnes <jbarnes at virtuousgeek.org>
    Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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