[PATCH 0/2] Disable dynamic switching for SMU13 on Intel hosts

[Alex Deucher]

On Fri, Jul 7, 2023 at 3:32 PM Mario Limonciello
<mario.limonciello at amd.com> wrote:
>
> When ASPM is enabled, DPM is used to perform dynamic switching.  When
> connected to an Intel PCIe controller this causes malfunctions.
>
> Identify this combination and disable dynamic switching in SMU13.
>
> This series superceeds my other series [1] and fixes it in a cleaner way.
>
> [1] https://patchwork.freedesktop.org/series/120245/
>
> Evan Quan (1):
>   drm/amd/pm: share the code around SMU13 pcie parameters update
>
> Mario Limonciello (1):
>   drm/amd/pm: conditionally disable pcie lane/speed switching for SMU13

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

We should also fix up the smu11 code in sienna_cichlid_ppt.c
similarly.  We implemented a similar, but more limited fix there
recently.

Alex


>
>  drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h  |  4 ++
>  .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    | 67 +++++++++++++++++++
>  .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c  | 33 +--------
>  .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c  | 33 +--------
>  4 files changed, 73 insertions(+), 64 deletions(-)
>
> --
> 2.25.1
>