[Bug 111432] [bisected][tonga] Boot failures on agd5f's drm-next branch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111432

--- Comment #2 from Mike Lothian <mike at fireburn.co.uk> ---
I've bisected this to:

9adc8050bf3ca3e49c65e13259a4c310640542f1 is the first bad commit
commit 9adc8050bf3ca3e49c65e13259a4c310640542f1
Author: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Date:   Fri Jul 12 15:06:06 2019 -0400

    drm/amd/display: make firmware info only load once during dc_bios create

    Currently every time DC wants to access firmware info we make a call
    into VBIOS. This makes no sense as there is nothing that can change
    runtime inside fw info and can cause issues when calling unstable
    bios during bringup.

    This change eliminate this behavior by only calling bios once for fw
    info and keeping it stored as part of dc_bios.

    Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
    Reviewed-by: Chris Park <Chris.Park at amd.com>
    Acked-by: Leo Li <sunpeng.li at amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

 drivers/gpu/drm/amd/display/dc/bios/bios_parser.c  |  3 +-
 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c |  3 +-
 .../amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c    | 17 ++++--------
 .../drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c |  6 ++--
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c  |  7 ++---
 drivers/gpu/drm/amd/display/dc/dc_bios_types.h     |  5 ++--
 .../gpu/drm/amd/display/dc/dce/dce_clock_source.c  | 32 ++++++++--------------
 drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c    | 13 +--------
 .../drm/amd/display/dc/dce100/dce100_resource.c    |  4 +--
 .../drm/amd/display/dc/dce110/dce110_resource.c    |  4 +--
 .../gpu/drm/amd/display/dc/dce80/dce80_resource.c  | 12 ++------
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c |  9 +++---
 12 files changed, 36 insertions(+), 79 deletions(-)

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