[Bug 107595] amd-staging-drm-next: BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 - R4 Mullins

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Aug 17 05:21:13 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=107595

--- Comment #4 from Przemek <soprwa at gmail.com> ---
I apologize,
it seems that I forget to make last step during yesterday bisection.

Here is what git bisect produces:

561a5c83eadde747253924be2f7be9070841b7c0 is the first bad commit
commit 561a5c83eadde747253924be2f7be9070841b7c0
Author: Rex Zhu <Rex.Zhu at amd.com>
Date:   Tue Jun 5 13:06:11 2018 +0800

    drm/amd/pp: Unify powergate_uvd/vce/mmhub to set_powergating_by_smu

    Some HW ip blocks need call SMU to enter/leave power gate state.
    So export common set_powergating_by_smu interface.

    1. keep consistent with set_clockgating_by_smu
    2. scales easily to powergate other ip(gfx) if necessary

    Reviewed-by: Evan Quan <evan.quan at amd.com>
    Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>

:040000 040000 7b10ae9bb22235cbd05fef91e7ba5277a413759d
716e5604c837785fd0aa6896f72eac7e36513a2f M      drivers

Thanks,
Przemek.

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