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-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c20
2 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index a2cbafab663c..2c2dbfcd8957 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -3247,7 +3247,7 @@ restore_dml_state:
 bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
 		bool fast_validate)
 {
-	bool voltage_supported = false;
+	bool voltage_supported;
 	DC_FP_START();
 	voltage_supported = dcn20_validate_bandwidth_fp(dc, context, fast_validate);
 	DC_FP_END();
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index 674376428916..072f8c880924 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -1329,8 +1329,8 @@ validate_out:
 	return out;
 }
 
-bool dcn21_validate_bandwidth(struct dc *dc, struct dc_state *context,
-		bool fast_validate)
+static noinline bool dcn21_validate_bandwidth_fp(struct dc *dc,
+		struct dc_state *context, bool fast_validate)
 {
 	bool out = false;
 
@@ -1383,6 +1383,22 @@ validate_out:
 
 	return out;
 }
+
+/*
+ * Some of the functions further below use the FPU, so we need to wrap this
+ * with DC_FP_START()/DC_FP_END(). Use the same approach as for
+ * dcn20_validate_bandwidth in dcn20_resource.c.
+ */
+bool dcn21_validate_bandwidth(struct dc *dc, struct dc_state *context,
+		bool fast_validate)
+{
+	bool voltage_supported;
+	DC_FP_START();
+	voltage_supported = dcn21_validate_bandwidth_fp(dc, context, fast_validate);
+	DC_FP_END();
+	return voltage_supported;
+}
+
 static void dcn21_destroy_resource_pool(struct resource_pool **pool)
 {
 	struct dcn21_resource_pool *dcn21_pool = TO_DCN21_RES_POOL(*pool);