[PATCH RESEND v5 1/4] drm: Remove slot checks in dp mst topology during commit

From: Lyude Paul
Date: Mon Oct 25 2021 - 18:38:42 EST


From: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>

This code path is used during commit, and we dont expect things to fail
during the commit stage, so remove this.

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
---
drivers/gpu/drm/drm_dp_mst_topology.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 86d13d6bc463..04ed34a7f71c 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -4334,10 +4334,6 @@ static int drm_dp_init_vcpi(struct drm_dp_mst_topology_mgr *mgr,
{
int ret;

- /* max. time slots - one slot for MTP header */
- if (slots > 63)
- return -ENOSPC;
-
vcpi->pbn = pbn;
vcpi->aligned_pbn = slots * mgr->pbn_div;
vcpi->num_slots = slots;
@@ -4540,7 +4536,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,

ret = drm_dp_init_vcpi(mgr, &port->vcpi, pbn, slots);
if (ret) {
- drm_dbg_kms(mgr->dev, "failed to init vcpi slots=%d max=63 ret=%d\n",
+ drm_dbg_kms(mgr->dev, "failed to init vcpi slots=%d ret=%d\n",
DIV_ROUND_UP(pbn, mgr->pbn_div), ret);
drm_dp_mst_topology_put_port(port);
goto out;
--
2.31.1