Just pushed to drm-misc-next-fixes as
e5a6ca27eb72c67533ddfc11c06df84beaa167fa, thanks!
On Tue, 2019-12-03 at 12:24 +0800, Wayne Lin wrote:
> [Why]
> If the payload_state is DP_PAYLOAD_DELETE_LOCAL in series, current
> code doesn't delete the payload at current index and just move the
> index to next one after shuffling payloads.
>
> [How]
> Drop the i++ increasing part in for loop head and decide whether
> to increase the index or not according to payload_state of current
> payload.
>
> Changes since v1:
> * Refine the code to have it easy reading
> * Amend the commit message to meet the way code is modified now.
>
> Signed-off-by: Wayne Lin <Wayne.Lin@xxxxxxx>
> Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_dp_mst_topology.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c
> b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 81e92b260d7a..4ef6decc0551 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -3176,9 +3176,11 @@ int drm_dp_update_payload_part1(struct
> drm_dp_mst_topology_mgr *mgr)
> drm_dp_mst_topology_put_port(port);
> }
>
> - for (i = 0; i < mgr->max_payloads; i++) {
> - if (mgr->payloads[i].payload_state != DP_PAYLOAD_DELETE_LOCAL)
> + for (i = 0; i < mgr->max_payloads; /* do nothing */) {
> + if (mgr->payloads[i].payload_state != DP_PAYLOAD_DELETE_LOCAL)
> {
> + i++;
> continue;
> + }
>
> DRM_DEBUG_KMS("removing payload %d\n", i);
> for (j = i; j < mgr->max_payloads - 1; j++) {
--
Cheers,
Lyude Paul
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