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  1. Bug #1926579
  2. Comment #3

Comment 3 for bug 1926579

Revision history for this message
AceLan Kao (acelankao) wrote :

commit 8804325861be242a420d68c0175127a5947ac35a
Author: Gwan-gyeong Mun <email address hidden>
Date: Thu Apr 22 19:05:44 2021 +0300

    drm/i915/display: Disable PSR2 if TGL Display stepping is B1 from A0

    TGL PSR2 hardware tracking shows momentary flicker and screen shift if
    TGL Display stepping is B1 from A0.
    It has been fixed from TGL Display stepping C0.

    HSDES: 18015970021
    HSDES: 2209313811
    BSpec: 55378

    v2: Add checking of PSR2 manual tracking (Jose)

    Cc: José Roberto de Souza <email address hidden>
    Signed-off-by: Gwan-gyeong Mun <email address hidden>
    Reviewed-by: José Roberto de Souza <email address hidden>
    Signed-off-by: José Roberto de Souza <email address hidden>
    Link: https://patchwork.freedesktop<email address hidden>