diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index a57b5abf96a0..032e76dbc51f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3925,11 +3925,10 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev)
 
 	int list_size;
 	unsigned int *register_list_format =
-		kmalloc(adev->gfx.rlc.reg_list_format_size_bytes, GFP_KERNEL);
+		kmemdup(adev->gfx.rlc.register_list_format,
+			adev->gfx.rlc.reg_list_format_size_bytes, GFP_KERNEL);
 	if (!register_list_format)
 		return -ENOMEM;
-	memcpy(register_list_format, adev->gfx.rlc.register_list_format,
-			adev->gfx.rlc.reg_list_format_size_bytes);
 
 	gfx_v8_0_parse_ind_reg_list(register_list_format,
 				RLC_FormatDirectRegListLength,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 5bdd7c42b00e..5ba332376710 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2074,11 +2074,10 @@ static int gfx_v9_1_init_rlc_save_restore_list(struct amdgpu_device *adev)
 	u32 tmp = 0;
 
 	u32 *register_list_format =
-		kmalloc(adev->gfx.rlc.reg_list_format_size_bytes, GFP_KERNEL);
+		kmemdup(adev->gfx.rlc.register_list_format,
+			adev->gfx.rlc.reg_list_format_size_bytes, GFP_KERNEL);
 	if (!register_list_format)
 		return -ENOMEM;
-	memcpy(register_list_format, adev->gfx.rlc.register_list_format,
-		adev->gfx.rlc.reg_list_format_size_bytes);
 
 	/* setup unique_indirect_regs array and indirect_start_offsets array */
 	unique_indirect_reg_count = ARRAY_SIZE(unique_indirect_regs);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 14c4c60c59db..4ef4dc63e221 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1190,14 +1190,12 @@ struct dc_state *dc_create_state(struct dc *dc)
 struct dc_state *dc_copy_state(struct dc_state *src_ctx)
 {
 	int i, j;
-	struct dc_state *new_ctx = kzalloc(sizeof(struct dc_state),
-					   GFP_KERNEL);
+	struct dc_state *new_ctx = kmemdup(src_ctx,
+			sizeof(struct dc_state), GFP_KERNEL);
 
 	if (!new_ctx)
 		return NULL;
 
-	memcpy(new_ctx, src_ctx, sizeof(struct dc_state));
-
 	for (i = 0; i < MAX_PIPES; i++) {
 			struct pipe_ctx *cur_pipe = &new_ctx->res_ctx.pipe_ctx[i];
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index a7c769a1b40b..af7f8be230f7 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -181,12 +181,10 @@ struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
 {
 	struct dc_stream_state *new_stream;
 
-	new_stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
+	new_stream = kmemdup(stream, sizeof(struct dc_stream_state), GFP_KERNEL);
 	if (!new_stream)
 		return NULL;
 
-	memcpy(new_stream, stream, sizeof(struct dc_stream_state));
-
 	if (new_stream->sink)
 		dc_sink_retain(new_stream->sink);