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| author | Wayne Lin <Wayne.Lin@amd.com> | 2025-04-20 19:22:14 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-07 18:23:09 -0400 |
| commit | 65924ec69b29296845c7f628112353438e63ea56 (patch) | |
| tree | 3d7e71c74f22bf21a279f57934b03d8b487658dc /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 3924f45d4de7250a603fd7b50379237a6a0e5adf (diff) | |
drm/amd/display: Fix wrong handling for AUX_DEFER case
[Why]
We incorrectly ack all bytes get written when the reply actually is defer.
When it's defer, means sink is not ready for the request. We should
retry the request.
[How]
Only reply all data get written when receive I2C_ACK|AUX_ACK. Otherwise,
reply the number of actual written bytes received from the sink.
Add some messages to facilitate debugging as well.
Fixes: ad6756b4d773 ("drm/amd/display: Shift dc link aux to aux_payload")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3637e457eb0000bc37d8bbbec95964aad2fb29fd)
Cc: stable@vger.kernel.org
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions