diff options
| author | Fangzhi Zuo <Jerry.Zuo@amd.com> | 2024-10-02 15:47:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-10-22 17:50:38 -0400 |
| commit | 6c5bb04858105f3ad346bf4af5617ae6c9ea0085 (patch) | |
| tree | aeedd055e49443212eaa8072707c32f2dbc5ce50 /drivers/gpu/drm/amd/display | |
| parent | 02706006928cdcfa82f3d09cb7575920cf871b95 (diff) | |
drm/amd/display: Add a Precise Delay Routine
Fix DP compliance failures 4.2.2.12, 4.3.1.21, 4.9.1.19
caused by imprecise delay on fsleep().
Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c index a42c56a57253..754c895e1bfb 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c @@ -272,7 +272,7 @@ void dp_wait_for_training_aux_rd_interval( struct dc_link *link, uint32_t wait_in_micro_secs) { - fsleep(wait_in_micro_secs); + usleep_range_state(wait_in_micro_secs, wait_in_micro_secs, TASK_UNINTERRUPTIBLE); DC_LOG_HW_LINK_TRAINING("%s:\n wait = %d\n", __func__, |