drm/nouveau/kms/nv50: remove code to support non-atomic dpms

Made completely unreachable (and broken) by atomic commits.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -1117,43 +1117,6 @@ nouveau_connector_funcs_lvds = {
 	.atomic_get_property = nouveau_conn_atomic_get_property,
 };
 
-static int
-nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
-{
-	struct nouveau_encoder *nv_encoder = NULL;
-
-	if (connector->encoder)
-		nv_encoder = nouveau_encoder(connector->encoder);
-	if (nv_encoder && nv_encoder->dcb &&
-	    nv_encoder->dcb->type == DCB_OUTPUT_DP) {
-		if (mode == DRM_MODE_DPMS_ON) {
-			u8 data = DP_SET_POWER_D0;
-			nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
-			usleep_range(1000, 2000);
-		} else {
-			u8 data = DP_SET_POWER_D3;
-			nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
-		}
-	}
-
-	return drm_helper_connector_dpms(connector, mode);
-}
-
-static const struct drm_connector_funcs
-nouveau_connector_funcs_dp = {
-	.dpms = nouveau_connector_dp_dpms,
-	.reset = nouveau_conn_reset,
-	.detect = nouveau_connector_detect,
-	.force = nouveau_connector_force,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = nouveau_connector_set_property,
-	.destroy = nouveau_connector_destroy,
-	.atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
-	.atomic_destroy_state = nouveau_conn_atomic_destroy_state,
-	.atomic_set_property = nouveau_conn_atomic_set_property,
-	.atomic_get_property = nouveau_conn_atomic_get_property,
-};
-
 static int
 nouveau_connector_hotplug(struct nvif_notify *notify)
 {
@@ -1348,10 +1311,7 @@ nouveau_connector_create(struct drm_device *dev, int index)
 			return ERR_PTR(ret);
 		}
 
-		if (dev->mode_config.funcs->atomic_commit)
-			funcs = &nouveau_connector_funcs;
-		else
-			funcs = &nouveau_connector_funcs_dp;
+		funcs = &nouveau_connector_funcs;
 		break;
 	default:
 		funcs = &nouveau_connector_funcs;

drivers/gpu/drm/nouveau/nv50_display.c

@@ -3116,42 +3116,8 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
 		.base.hashm  = nv_encoder->dcb->hashm,
 		.pwr.state = mode == DRM_MODE_DPMS_ON,
 	};
-	struct {
-		struct nv50_disp_mthd_v1 base;
-		struct nv50_disp_sor_dp_pwr_v0 pwr;
-	} link = {
-		.base.version = 1,
-		.base.method = NV50_DISP_MTHD_V1_SOR_DP_PWR,
-		.base.hasht  = nv_encoder->dcb->hasht,
-		.base.hashm  = nv_encoder->dcb->hashm,
-		.pwr.state = mode == DRM_MODE_DPMS_ON,
-	};
-	struct drm_device *dev = encoder->dev;
-	struct drm_encoder *partner;
-
-	nv_encoder->last_dpms = mode;
 
-	list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
-		struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
-
-		if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
-			continue;
-
-		if (nv_partner != nv_encoder &&
-		    nv_partner->dcb->or == nv_encoder->dcb->or) {
-			if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
-				return;
-			break;
-		}
-	}
-
-	if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
-		args.pwr.state = 1;
-		nvif_mthd(disp->disp, 0, &args, sizeof(args));
-		nvif_mthd(disp->disp, 0, &link, sizeof(link));
-	} else {
-		nvif_mthd(disp->disp, 0, &args, sizeof(args));
-	}
+	nvif_mthd(disp->disp, 0, &args, sizeof(args));
 }
 
 static void
@@ -3177,7 +3143,6 @@ nv50_sor_disable(struct drm_encoder *encoder)
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
 
-	nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
 	nv_encoder->crtc = NULL;
 
 	if (nv_crtc) {
@@ -3380,7 +3345,6 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
 		return -ENOMEM;
 	nv_encoder->dcb = dcbe;
 	nv_encoder->or = ffs(dcbe->or) - 1;
-	nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
 
 	encoder = to_drm_encoder(nv_encoder);
 	encoder->possible_crtcs = dcbe->heads;
@@ -4126,15 +4090,9 @@ nv50_display_init(struct drm_device *dev)
 			struct nouveau_encoder *nv_encoder;
 
 			nv_encoder = nouveau_encoder(encoder);
-			if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
-				nv_encoder->dcb->type = DCB_OUTPUT_EOL;
-
 			help = encoder->helper_private;
 			if (help && help->dpms)
 				help->dpms(encoder, DRM_MODE_DPMS_ON);
-
-			if (nv_encoder->dcb->type == DCB_OUTPUT_EOL)
-				nv_encoder->dcb->type = DCB_OUTPUT_DP;
 		}
 	}