Lyude Paul
2023-Jun-13  21:05 UTC
[Nouveau] [PATCH] drm/nouveau/kms/nv50-: Fix drm_dp_remove_payload() invocation
We changed the semantics for this in:
e761cc20946a ("drm/display/dp_mst: Handle old/new payload states in
drm_dp_remove_payload()")
But I totally forgot to update this properly in nouveau. So, let's do that.
Signed-off-by: Lyude Paul <lyude at redhat.com>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c
b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 5bb777ff13130..1637e08b548c2 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -909,15 +909,19 @@ nv50_msto_prepare(struct drm_atomic_state *state,
 	struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev);
 	struct nv50_mstc *mstc = msto->mstc;
 	struct nv50_mstm *mstm = mstc->mstm;
-	struct drm_dp_mst_atomic_payload *payload;
+	struct drm_dp_mst_topology_state *old_mst_state;
+	struct drm_dp_mst_atomic_payload *payload, *old_payload;
 
 	NV_ATOMIC(drm, "%s: msto prepare\n", msto->encoder.name);
 
+	old_mst_state = drm_atomic_get_old_mst_topology_state(state, mgr);
+
 	payload = drm_atomic_get_mst_payload_state(mst_state, mstc->port);
+	old_payload = drm_atomic_get_mst_payload_state(old_mst_state, mstc->port);
 
 	// TODO: Figure out if we want to do a better job of handling VCPI allocation
failures here?
 	if (msto->disabled) {
-		drm_dp_remove_payload(mgr, mst_state, payload, payload);
+		drm_dp_remove_payload(mgr, mst_state, old_payload, payload);
 
 		nvif_outp_dp_mst_vcpi(&mstm->outp->outp,
msto->head->base.index, 0, 0, 0, 0);
 	} else {
-- 
2.40.1
Karol Herbst
2023-Jun-13  21:23 UTC
[Nouveau] [PATCH] drm/nouveau/kms/nv50-: Fix drm_dp_remove_payload() invocation
On Tue, Jun 13, 2023 at 11:05?PM Lyude Paul <lyude at redhat.com> wrote:> > We changed the semantics for this in: > > e761cc20946a ("drm/display/dp_mst: Handle old/new payload states in drm_dp_remove_payload()") > > But I totally forgot to update this properly in nouveau. So, let's do that. > > Signed-off-by: Lyude Paul <lyude at redhat.com>Reviewed-by: Karol Herbst <kherbst at redhat.com>> --- > drivers/gpu/drm/nouveau/dispnv50/disp.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c > index 5bb777ff13130..1637e08b548c2 100644 > --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c > +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c > @@ -909,15 +909,19 @@ nv50_msto_prepare(struct drm_atomic_state *state, > struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev); > struct nv50_mstc *mstc = msto->mstc; > struct nv50_mstm *mstm = mstc->mstm; > - struct drm_dp_mst_atomic_payload *payload; > + struct drm_dp_mst_topology_state *old_mst_state; > + struct drm_dp_mst_atomic_payload *payload, *old_payload; > > NV_ATOMIC(drm, "%s: msto prepare\n", msto->encoder.name); > > + old_mst_state = drm_atomic_get_old_mst_topology_state(state, mgr); > + > payload = drm_atomic_get_mst_payload_state(mst_state, mstc->port); > + old_payload = drm_atomic_get_mst_payload_state(old_mst_state, mstc->port); > > // TODO: Figure out if we want to do a better job of handling VCPI allocation failures here? > if (msto->disabled) { > - drm_dp_remove_payload(mgr, mst_state, payload, payload); > + drm_dp_remove_payload(mgr, mst_state, old_payload, payload); > > nvif_outp_dp_mst_vcpi(&mstm->outp->outp, msto->head->base.index, 0, 0, 0, 0); > } else { > -- > 2.40.1 >