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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:56:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:56:10 +0200 |
| commit | de800f290dfaa341f22acac22bc454ea2bbf8f71 (patch) | |
| tree | 02ac02009524e4a8a4c1b169583618690bdd2567 /drivers/gpu/drm/msm/dp | |
| parent | bee1f89aad2a51cd3339571bc8eadbb0dc88a683 (diff) | |
| parent | e49d033bddf5b565044e2abe4241353959bc9120 (diff) | |
| download | lwn-de800f290dfaa341f22acac22bc454ea2bbf8f71.tar.gz lwn-de800f290dfaa341f22acac22bc454ea2bbf8f71.zip | |
Merge 5.12-rc6 into usb-next
We want the USB fixes in here as well and it resolves a merge issue with
xhci-mtk.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_aux.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp/dp_aux.c index 1c6e1d2b947c..7c22bfe0fc7d 100644 --- a/drivers/gpu/drm/msm/dp/dp_aux.c +++ b/drivers/gpu/drm/msm/dp/dp_aux.c @@ -32,6 +32,8 @@ struct dp_aux_private { struct drm_dp_aux dp_aux; }; +#define MAX_AUX_RETRIES 5 + static const char *dp_aux_get_error(u32 aux_error) { switch (aux_error) { @@ -377,6 +379,11 @@ static ssize_t dp_aux_transfer(struct drm_dp_aux *dp_aux, ret = dp_aux_cmd_fifo_tx(aux, msg); if (ret < 0) { + if (aux->native) { + aux->retry_cnt++; + if (!(aux->retry_cnt % MAX_AUX_RETRIES)) + dp_catalog_aux_update_cfg(aux->catalog); + } usleep_range(400, 500); /* at least 400us to next try */ goto unlock_exit; } |