diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c
index 2bf8f5a2e0c2..4600231da6cb 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c
@@ -97,7 +97,7 @@ enum {
 
 
 
-/**
+/*
  *	set_truncation
  *	1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp
  *	2) enable truncation
@@ -142,7 +142,7 @@ static void set_truncation(
 }
 
 #if defined(CONFIG_DRM_AMD_DC_SI)
-/**
+/*
  *	dce60_set_truncation
  *	1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp
  *	2) enable truncation
@@ -183,7 +183,7 @@ static void dce60_set_truncation(
 }
 #endif
 
-/**
+/*
  *	set_spatial_dither
  *	1) set spatial dithering mode: pattern of seed
  *	2) set spatial dithering depth: 0 for 18bpp or 1 for 24bpp
@@ -291,7 +291,7 @@ static void set_spatial_dither(
 		FMT_SPATIAL_DITHER_EN, 1);
 }
 
-/**
+/*
  *	SetTemporalDither (Frame Modulation)
  *	1) set temporal dither depth
  *	2) select pattern: from hard-coded pattern or programmable pattern
@@ -355,7 +355,7 @@ static void set_temporal_dither(
 		FMT_TEMPORAL_DITHER_EN, 1);
 }
 
-/**
+/*
  *	Set Clamping
  *	1) Set clamping format based on bpc - 0 for 6bpc (No clamping)
  *		1 for 8 bpc
@@ -415,7 +415,7 @@ void dce110_opp_set_clamping(
 }
 
 #if defined(CONFIG_DRM_AMD_DC_SI)
-/**
+/*
  *	Set Clamping for DCE6 parts
  *	1) Set clamping format based on bpc - 0 for 6bpc (No clamping)
  *		1 for 8 bpc
@@ -465,7 +465,7 @@ static void dce60_opp_set_clamping(
 }
 #endif
 
-/**
+/*
  *	set_pixel_encoding
  *
  *	Set Pixel Encoding
@@ -501,7 +501,7 @@ static void set_pixel_encoding(
 }
 
 #if defined(CONFIG_DRM_AMD_DC_SI)
-/**
+/*
  *	dce60_set_pixel_encoding
  *	DCE6 has no FMT_SUBSAMPLING_{MODE,ORDER} bits in FMT_CONTROL reg
  *	Set Pixel Encoding