diff --git a/[refs] b/[refs]
index 74b8a1735a5c..c7cfb688a09d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9d59e8a1fc8fc35bf22dc92d7722a7502769ab7e
+refs/heads/master: 7314dec95c054258d5e5a3d1d55e1fd042f8eaad
diff --git a/trunk/drivers/gpu/drm/nouveau/nv04_dac.c b/trunk/drivers/gpu/drm/nouveau/nv04_dac.c
index ea3627041ecf..509c05015d50 100644
--- a/trunk/drivers/gpu/drm/nouveau/nv04_dac.c
+++ b/trunk/drivers/gpu/drm/nouveau/nv04_dac.c
@@ -291,6 +291,8 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
 	msleep(5);
 
 	sample = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
+	/* do it again just in case it's a residual current */
+	sample &= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
 
 	temp = NVReadRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL);
 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL,