Messages in this thread Patch in this message | | | From | Lyude Paul <> | Subject | [PATCH 1/4] drm/dp_mst: Improve kdocs for drm_dp_check_act_status() | Date | Fri, 3 Apr 2020 16:07:53 -0400 |
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No functional changes.
Signed-off-by: Lyude Paul <lyude@redhat.com> Cc: Sean Paul <sean@poorly.run> --- drivers/gpu/drm/drm_dp_mst_topology.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 10d0315af513..2b9ce965f044 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -4462,10 +4462,14 @@ static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr, /** - * drm_dp_check_act_status() - Check ACT handled status. + * drm_dp_check_act_status() - Polls for ACT handled status. * @mgr: manager to use * - * Check the payload status bits in the DPCD for ACT handled completion. + * Tries waiting for the MST hub to finish updating it's payload table by + * polling for the ACT handled bit. + * + * Returns: + * 0 if the ACT was handled in time, negative error code on failure. */ int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr) { -- 2.25.1
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