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path: root/drivers/gpu/drm/nouveau
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Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c2
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.h2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c14
3 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 24807aa9da5f..7e9a0b50bb42 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1813,7 +1813,7 @@ nv50_sor_func = {
.destroy = nv50_sor_destroy,
};
-static bool nv50_has_mst(struct nouveau_drm *drm)
+bool nv50_has_mst(struct nouveau_drm *drm)
{
struct nvkm_bios *bios = nvxx_bios(&drm->client.device);
u32 data;
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h
index 38dec11e7dda..9d66c9c726c3 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h
@@ -106,6 +106,8 @@ void nv50_dmac_destroy(struct nv50_dmac *);
*/
struct nouveau_encoder *nv50_real_outp(struct drm_encoder *encoder);
+bool nv50_has_mst(struct nouveau_drm *drm);
+
u32 *evo_wait(struct nv50_dmac *, int nr);
void evo_kick(u32 *, struct nv50_dmac *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index b8ee2173ca8f..1991bbb1d05c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -1106,11 +1106,25 @@ nouveau_connector_best_encoder(struct drm_connector *connector)
return NULL;
}
+static int
+nouveau_connector_atomic_check(struct drm_connector *connector, struct drm_atomic_state *state)
+{
+ struct nouveau_connector *nv_conn = nouveau_connector(connector);
+ struct drm_connector_state *conn_state =
+ drm_atomic_get_new_connector_state(state, connector);
+
+ if (!nv_conn->dp_encoder || !nv50_has_mst(nouveau_drm(connector->dev)))
+ return 0;
+
+ return drm_dp_mst_root_conn_atomic_check(conn_state, &nv_conn->dp_encoder->dp.mstm->mgr);
+}
+
static const struct drm_connector_helper_funcs
nouveau_connector_helper_funcs = {
.get_modes = nouveau_connector_get_modes,
.mode_valid = nouveau_connector_mode_valid,
.best_encoder = nouveau_connector_best_encoder,
+ .atomic_check = nouveau_connector_atomic_check,
};
static const struct drm_connector_funcs