Software > Operating Systems and Porting

New Kernel 5.16 and new problem

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matgraf:
bisect of the error:


--- Code: ---9fa0fb77132fe9e83f2b357fd5a2b16293a5b9ee is the first bad commit
commit 9fa0fb77132fe9e83f2b357fd5a2b16293a5b9ee
Author: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Date:   Tue Jan 26 15:15:33 2021 -0500

    drm/amd/display: USB4 DPIA enumeration and AUX Tunneling
   
    [WHY]
    To enable dc links for USB4 DPIA ports and AUX command tunneling
    for YELLOW_CARP_B0.
   
    [HOW]
    1) Created dc links for all USB4 DPIA ports in create_links().
       dc_link_construct() implementation is split for legacy DDC and DPIAs.
       As usb4 has no ddc, ddc->ddc_pin will be set to NULL for its dc link
       and this parameter will be used to identify the dc links as DPIA. The
       dc link for DPIA is further to be enhanced with implementation for link
       encoder and link initialization.
    2) usb4_dpia_count in struct resource_pool will be initialized to 4 in
       dcn31_resource_construct() if the DCN is YELLOW_CARP_B0.
    3) Enabled DMUB AUX via outbox for YELLOW_CARP_B0.
   
    Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
    Acked-by: Wayne Lin <Wayne.Lin@amd.com>
    Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
    Acked-by: Harry Wentland <harry.wentland@amd.com>
    Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

 drivers/gpu/drm/amd/display/dc/core/dc.c           | 32 +++++++++-
 drivers/gpu/drm/amd/display/dc/core/dc_link.c      | 71 +++++++++++++++++++++-
 drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c  |  3 +-
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c |  6 ++
 .../gpu/drm/amd/display/dc/dcn31/dcn31_resource.c  |  6 ++
 drivers/gpu/drm/amd/display/dc/inc/core_types.h    |  1 +
 drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h   |  1 +
 drivers/gpu/drm/amd/display/dc/irq_types.h         |  5 +-
 8 files changed, 120 insertions(+), 5 deletions(-)

--- End code ---

I am pleased to do more.

MPC7500:
Does the Kernel work then?

SiteAdmin:
@matgraf Awesome, thank you for that!  Let's see if upstream can work out how to fix it from there.

MauryG5:
Hey guys where are we with the Kernel fixes? I am ready for testing as soon as you make it available ...

MauryG5:
Guys apparently with the Kernel we have stopped, no news yet on the correction of the problem on Power of the new Kernel 5.16 and 5.17 and the 5.18 is coming as well ...

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