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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:35:39 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:35:39 +0000 |
| commit | ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea (patch) | |
| tree | de36f79327a07773a125f713f423457a88104e56 /drivers/gpu/drm/nouveau/nouveau_dp.c | |
| parent | Adding debian version 6.8.9-1. (diff) | |
| download | linux-ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea.tar.xz linux-ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea.zip | |
Merging upstream version 6.8.11.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index 7de7707ec6..3f72bc38bd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -225,12 +225,15 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector, u8 *dpcd = nv_encoder->dp.dpcd; int ret = NOUVEAU_DP_NONE, hpd; - /* If we've already read the DPCD on an eDP device, we don't need to - * reread it as it won't change + /* eDP ports don't support hotplugging - so there's no point in probing eDP ports unless we + * haven't probed them once before. */ - if (connector->connector_type == DRM_MODE_CONNECTOR_eDP && - dpcd[DP_DPCD_REV] != 0) - return NOUVEAU_DP_SST; + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + if (connector->status == connector_status_connected) + return NOUVEAU_DP_SST; + else if (connector->status == connector_status_disconnected) + return NOUVEAU_DP_NONE; + } mutex_lock(&nv_encoder->dp.hpd_irq_lock); if (mstm) { |