We advertise being able to set interlaced modes, so let's actually make
sure to do that. Otherwise, we'll end up hanging the display engine due
to trying to set a mode with timings adjusted for interlacing without
telling the hardware it's actually an interlaced mode.

Signed-off-by: Lyude Paul <ly...@redhat.com>
---
 drivers/gpu/drm/nouveau/dispnv50/headc37d.c | 5 +++--
 drivers/gpu/drm/nouveau/dispnv50/headc57d.c | 5 +++--
 drivers/gpu/drm/nouveau/nouveau_connector.c | 2 +-
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/headc37d.c 
b/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
index 00011ce109a6..4a9a32b89f74 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
@@ -168,14 +168,15 @@ headc37d_mode(struct nv50_head *head, struct 
nv50_head_atom *asyh)
        struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        struct nv50_head_mode *m = &asyh->mode;
        u32 *push;
-       if ((push = evo_wait(core, 12))) {
+       if ((push = evo_wait(core, 13))) {
                evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5);
                evo_data(push, (m->v.active  << 16) | m->h.active );
                evo_data(push, (m->v.synce   << 16) | m->h.synce  );
                evo_data(push, (m->v.blanke  << 16) | m->h.blanke );
                evo_data(push, (m->v.blanks  << 16) | m->h.blanks );
                evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
-               evo_mthd(push, 0x200c + (head->base.index * 0x400), 1);
+               evo_mthd(push, 0x2008 + (head->base.index * 0x400), 2);
+               evo_data(push, m->interlace);
                evo_data(push, m->clock * 1000);
                evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1);
                evo_data(push, m->clock * 1000);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/headc57d.c 
b/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
index 938d910a1b1e..859131a8bc3c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
@@ -173,14 +173,15 @@ headc57d_mode(struct nv50_head *head, struct 
nv50_head_atom *asyh)
        struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
        struct nv50_head_mode *m = &asyh->mode;
        u32 *push;
-       if ((push = evo_wait(core, 12))) {
+       if ((push = evo_wait(core, 13))) {
                evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5);
                evo_data(push, (m->v.active  << 16) | m->h.active );
                evo_data(push, (m->v.synce   << 16) | m->h.synce  );
                evo_data(push, (m->v.blanke  << 16) | m->h.blanke );
                evo_data(push, (m->v.blanks  << 16) | m->h.blanks );
                evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
-               evo_mthd(push, 0x200c + (head->base.index * 0x400), 1);
+               evo_mthd(push, 0x2008 + (head->base.index * 0x400), 2);
+               evo_data(push, m->interlace);
                evo_data(push, m->clock * 1000);
                evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1);
                evo_data(push, m->clock * 1000);
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c 
b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 43bcbb6d73c4..6dae00da5d7e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -1065,7 +1065,7 @@ nouveau_connector_mode_valid(struct drm_connector 
*connector,
                return get_slave_funcs(encoder)->mode_valid(encoder, mode);
        case DCB_OUTPUT_DP:
                if (mode->flags & DRM_MODE_FLAG_INTERLACE &&
-                   !nv_encoder->dp.caps.interlace)
+                   !nv_encoder->caps.dp_interlace)
                        return MODE_NO_INTERLACE;
 
                max_clock  = nv_encoder->dp.link_nr;
-- 
2.24.1

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