diff options
| author | Xiaodong Yan <[email protected]> | 2018-10-24 02:08:53 +0800 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-11-19 15:27:40 -0500 |
| commit | 818832bf2bc0d86d2a114d3baadfae12a40f7f36 (patch) | |
| tree | c6b2da3e4e15ee2f589ec1874e363e51b217525c /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | a7513419610b118eeabda6e85de187030fea57ae (diff) | |
drm/amd/display: retry 3 times before successfully reading
DPCD Extended Receiver Capability Field
[Why]
1.dpcd extended receiver capability sometimes read fail,
and corrupted data leads to sink caps is not correct.
2.sometimes sink reply ack with fewer data
[How]
check the return value of core_link_read_dpcd,
try to read again when failure happens
Signed-off-by: Xiaodong Yan <[email protected]>
Reviewed-by: Wenjing Liu <[email protected]>
Acked-by: Bhawanpreet Lakha <[email protected]>
Acked-by: Tony Cheng <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions