diff options
| author |   Tony Lindgren <tony@atomide.com> | 2020-06-08 10:14:49 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-06-08 10:14:49 -0700 |
| commit | 4263eb6880df8383fff0efb872278a99eb6142c8 (patch) | |
| tree | 67ab9bf228e4f5f341f9408e055180932b39fe06 /drivers/gpu/drm/drm_dp_mst_topology.c | |
| parent | bus: ti-sysc: Increase max softreset wait (diff) | |
| parent | ARM: dts: dra7-evm-common: Fix duplicate mailbox nodes (diff) | |
| download | linux-dev-4263eb6880df8383fff0efb872278a99eb6142c8.tar.xz linux-dev-4263eb6880df8383fff0efb872278a99eb6142c8.zip | |
Merge branch 'fixes-v5.7' into fixes
Diffstat (limited to 'drivers/gpu/drm/drm_dp_mst_topology.c')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_mst_topology.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 70c4b7afed12..9d89ebf3a749 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3442,8 +3442,12 @@ static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr, drm_dp_queue_down_tx(mgr, txmsg); ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); - if (ret > 0 && txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK) - ret = -EIO; + if (ret > 0) { + if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK) + ret = -EIO; + else + ret = size; + } kfree(txmsg); fail_put: @@ -4295,6 +4299,7 @@ int drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state, if (pos->vcpi) { drm_dp_mst_put_port_malloc(port); pos->vcpi = 0; + pos->pbn = 0; } return 0; |