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From: Lyude Paul <lyude-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: intel-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Daniel Vetter <daniel-/w4YWyX8dFk@public.gmane.org>
Subject: [PATCH v4 5/5] drm/dp_mst: Stop unsetting mstc->port, check connector registration
Date: Wed,  7 Nov 2018 20:32:36 -0500	[thread overview]
Message-ID: <20181108013236.2056-6-lyude@redhat.com> (raw)
In-Reply-To: <20181108013236.2056-1-lyude-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Same thing we did in i915, but for nouveau now.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 0469ef9e1a54..ff04a56b5949 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -698,8 +698,10 @@ nv50_msto_cleanup(struct nv50_msto *msto)
 	struct nv50_mstm *mstm = mstc->mstm;
 
 	NV_ATOMIC(drm, "%s: msto cleanup\n", msto->encoder.name);
-	if (mstc->port && mstc->port->vcpi.vcpi > 0 && !nv50_msto_payload(msto))
+	if (!drm_connector_is_unregistered(&mstc->connector) &&
+	    mstc->port->vcpi.vcpi > 0 && !nv50_msto_payload(msto))
 		drm_dp_mst_deallocate_vcpi(&mstm->mgr, mstc->port);
+
 	if (msto->disabled) {
 		msto->mstc = NULL;
 		msto->head = NULL;
@@ -725,7 +727,8 @@ nv50_msto_prepare(struct nv50_msto *msto)
 	};
 
 	NV_ATOMIC(drm, "%s: msto prepare\n", msto->encoder.name);
-	if (mstc->port && mstc->port->vcpi.vcpi > 0) {
+	if (!drm_connector_is_unregistered(&mstc->connector) &&
+	    mstc->port->vcpi.vcpi > 0) {
 		struct drm_dp_payload *payload = nv50_msto_payload(msto);
 		if (payload) {
 			args.vcpi.start_slot = payload->start_slot;
@@ -828,7 +831,7 @@ nv50_msto_disable(struct drm_encoder *encoder)
 	struct nv50_mstc *mstc = msto->mstc;
 	struct nv50_mstm *mstm = mstc->mstm;
 
-	if (mstc->port)
+	if (!drm_connector_is_unregistered(&mstc->connector))
 		drm_dp_mst_reset_vcpi_slots(&mstm->mgr, mstc->port);
 
 	mstm->outp->update(mstm->outp, msto->head->base.index, NULL, 0, 0);
@@ -967,7 +970,7 @@ nv50_mstc_detect(struct drm_connector *connector, bool force)
 	enum drm_connector_status conn_status;
 	int ret;
 
-	if (!mstc->port)
+	if (drm_connector_is_unregistered(&mstc->connector))
 		return connector_status_disconnected;
 
 	ret = pm_runtime_get_sync(connector->dev->dev);
@@ -1105,10 +1108,6 @@ nv50_mstm_destroy_connector(struct drm_dp_mst_topology_mgr *mgr,
 
 	drm_fb_helper_remove_one_connector(&drm->fbcon->helper, &mstc->connector);
 
-	drm_modeset_lock(&drm->dev->mode_config.connection_mutex, NULL);
-	mstc->port = NULL;
-	drm_modeset_unlock(&drm->dev->mode_config.connection_mutex);
-
 	drm_connector_put(&mstc->connector);
 }
 
-- 
2.19.1

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  parent reply	other threads:[~2018-11-08  1:32 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-08  1:32 [PATCH v4 0/5] drm/dp_mst: Improve VCPI helpers, use in nouveau Lyude Paul
     [not found] ` <20181108013236.2056-1-lyude-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-11-08  1:32   ` [PATCH v4 1/5] drm/dp_mst: Add some atomic state iterator macros Lyude Paul
2018-11-08  1:32   ` [PATCH v4 2/5] drm/dp_mst: Start tracking per-port VCPI allocations Lyude Paul
2018-11-08  1:32   ` [PATCH v4 3/5] drm/dp_mst: Check payload count in drm_dp_mst_atomic_check() Lyude Paul
2018-11-08  1:32   ` [PATCH v4 4/5] drm/nouveau: Use atomic VCPI helpers for MST Lyude Paul
2018-11-08  1:32   ` Lyude Paul [this message]
2018-11-08  2:16 ` ✗ Fi.CI.CHECKPATCH: warning for drm/dp_mst: Improve VCPI helpers, use in nouveau (rev4) Patchwork
2018-11-08  2:19 ` ✗ Fi.CI.SPARSE: " Patchwork
2018-11-08  2:35 ` ✓ Fi.CI.BAT: success " Patchwork
2018-11-08 19:44 ` ✓ Fi.CI.IGT: " Patchwork

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