Comment 27 for bug 1761751

Yeah, so I doubt it's a whitespace fix in the rxrpc driver. However, a diff between the configs on v415-rc2 and v415-rc3 has lots of differences, the most interesting being this one:

$ diff -u config-4.15.0-041500rc2-generic config-4.15.0-041500rc3-generic
/* ... snip ... */
@@ -5675,9 +5677,9 @@
 # Display Engine Configuration
 #
 CONFIG_DRM_AMD_DC=y
-# CONFIG_DRM_AMD_DC_PRE_VEGA is not set
+CONFIG_DRM_AMD_DC_PRE_VEGA=y
 # CONFIG_DRM_AMD_DC_FBC is not set
-# CONFIG_DRM_AMD_DC_DCN1_0 is not set
+CONFIG_DRM_AMD_DC_DCN1_0=y
 # CONFIG_DEBUG_KERNEL_DC is not set