drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c (73596dbf) · Commits · 戴 / test

Since this actually logs accesses, we should probably always be using this imho… Signed-off-by:

drivers/gpu/drm/nouveau/nouveau_dp.c

+4 −8

Original line number	Diff line number	Diff line
		@@ -42,16 +42,12 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
		{
		struct drm_device *dev = nv_encoder->base.base.dev;
		struct nouveau_drm *drm = nouveau_drm(dev);
		struct nvkm_i2c_aux *aux;
		u8 dpcd[8];
		struct drm_dp_aux *aux = &nv_connector->aux;
		u8 dpcd[DP_RECEIVER_CAP_SIZE];
		int ret;

		aux = nv_encoder->aux;
		if (!aux)
		return -ENODEV;

		ret = nvkm_rdaux(aux, DP_DPCD_REV, dpcd, sizeof(dpcd));
		if (ret)
		ret = drm_dp_dpcd_read(aux, DP_DPCD_REV, dpcd, DP_RECEIVER_CAP_SIZE);
		if (ret != sizeof(dpcd))
		return ret;

		nv_encoder->dp.link_bw = 27000 * dpcd[1];