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| author |   Linus Walleij <linus.walleij@linaro.org> | 2020-05-27 16:15:52 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-05-27 16:15:52 +0200 |
| commit | ce1d966a302229a88bcb4398a5ca76d657b06848 (patch) | |
| tree | 812671d666fef8b5a955087cff5dc7b3cd555a35 /drivers/gpu/drm/drm_dp_mst_topology.c | |
| parent | Merge tag 'gpio-updates-for-v5.8-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel (diff) | |
| parent | Linux 5.7-rc7 (diff) | |
| download | linux-dev-ce1d966a302229a88bcb4398a5ca76d657b06848.tar.xz linux-dev-ce1d966a302229a88bcb4398a5ca76d657b06848.zip | |
Merge tag 'v5.7-rc7' into devel
Linux 5.7-rc7
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; |