drm/amd/pm: Add special handling for RAS messages

Browse source

When a RAS fatal error is detected, PMFW will only process priority
messages. Other messages won't be taken up for processing and therefore
won't get any response in such a state.

Add logic to filter out non-priority messages when RAS error is
detected. Also, don't poll response response status register before
sending priority messages. Use firmware capability flag to determine
whether to filter priority messages.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Lijo Lazar 2024-03-21 19:19:48 +05:30 • committed by Alex Deucher

parent 7b8081ea67

commit 301661b00a

1 changed files with 59 additions and 6 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

65

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c

View file