drm/nouveau: use drm debug levels

- Use driver level (0x2) for NV_DEBUG instead of all levels
- Create a NV_DEBUG_KMS for KMS level (0x4) and use them in modesetting code
- Remove a few odd NV_TRACE calls and replace some of them with NV_DEBUG_KMS or
NV_INFO

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c
index 46cfd9c..81c0135 100644
--- a/drivers/gpu/drm/nouveau/nv17_tv.c
+++ b/drivers/gpu/drm/nouveau/nv17_tv.c
@@ -219,7 +219,7 @@
 		return;
 	nouveau_encoder(encoder)->last_dpms = mode;
 
-	NV_TRACE(dev, "Setting dpms mode %d on TV encoder (output %d)\n",
+	NV_INFO(dev, "Setting dpms mode %d on TV encoder (output %d)\n",
 		 mode, nouveau_encoder(encoder)->dcb->index);
 
 	regs->ptv_200 &= ~1;
@@ -619,7 +619,7 @@
 {
 	struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
 
-	NV_DEBUG(encoder->dev, "\n");
+	NV_DEBUG_KMS(encoder->dev, "\n");
 
 	drm_encoder_cleanup(encoder);
 	kfree(tv_enc);