drm: use %*ph to dump small buffers

Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/nouveau/nouveau_dp.c

@@ -289,9 +289,7 @@ dp_link_train_update(struct drm_device *dev, struct dp_state *dp, u32 delay)
 	if (ret)
 		return ret;
 
-	NV_DEBUG_KMS(dev, "status %02x %02x %02x %02x %02x %02x\n",
-		     dp->stat[0], dp->stat[1], dp->stat[2], dp->stat[3],
-		     dp->stat[4], dp->stat[5]);
+	NV_DEBUG_KMS(dev, "status %*ph\n", 6, dp->stat);
 	return 0;
 }
 

drivers/gpu/drm/radeon/atombios_dp.c

@@ -658,9 +658,7 @@ static bool radeon_dp_get_link_status(struct radeon_connector *radeon_connector,
 		return false;
 	}
 
-	DRM_DEBUG_KMS("link status %02x %02x %02x %02x %02x %02x\n",
-		  link_status[0], link_status[1], link_status[2],
-		  link_status[3], link_status[4], link_status[5]);
+	DRM_DEBUG_KMS("link status %*ph\n", 6, link_status);
 	return true;
 }
 

drivers/gpu/drm/udl/udl_main.c

@@ -41,11 +41,8 @@ static int udl_parse_vendor_descriptor(struct drm_device *dev,
 	total_len = usb_get_descriptor(usbdev, 0x5f, /* vendor specific */
 				    0, desc, MAX_VENDOR_DESCRIPTOR_SIZE);
 	if (total_len > 5) {
-		DRM_INFO("vendor descriptor length:%x data:%02x %02x %02x %02x" \
-			"%02x %02x %02x %02x %02x %02x %02x\n",
-			total_len, desc[0],
-			desc[1], desc[2], desc[3], desc[4], desc[5], desc[6],
-			desc[7], desc[8], desc[9], desc[10]);
+		DRM_INFO("vendor descriptor length:%x data:%*ph\n",
+			total_len, 11, desc);
 
 		if ((desc[0] != total_len) || /* descriptor length */
 		    (desc[1] != 0x5f) ||   /* vendor descriptor type */