drm/nouveau/dp: make dp dpms function common, call from sor code instead

GF119 will use this too.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index f38f561a0058..7be4e06e8438 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -475,6 +475,29 @@ nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate,
         return true;
 }
 
+void
+nouveau_dp_dpms(struct drm_encoder *encoder, int mode, u32 datarate,
+                struct dp_train_func *func)
+{
+        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+        struct nouveau_i2c_chan *auxch;
+        u8 status;
+
+        auxch = nouveau_i2c_find(encoder->dev, nv_encoder->dcb->i2c_index);
+        if (!auxch)
+                return;
+
+        if (mode == DRM_MODE_DPMS_ON)
+                status = DP_SET_POWER_D0;
+        else
+                status = DP_SET_POWER_D3;
+
+        nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1);
+
+        if (mode == DRM_MODE_DPMS_ON)
+                nouveau_dp_link_train(encoder, datarate, func);
+}
+
 bool
 nouveau_dp_detect(struct drm_encoder *encoder)
 {