drm/i915/sdvo: Protect macro args

Put parens around macro argument evaluation for safety.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230705202122.17915-3-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_sdvo.c

@@ -57,14 +57,13 @@
 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
 
-#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
-			SDVO_TV_MASK)
-
-#define IS_TV(c)	(c->output_flag & SDVO_TV_MASK)
-#define IS_TMDS(c)	(c->output_flag & SDVO_TMDS_MASK)
-#define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
-#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
-#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
+#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK | SDVO_TV_MASK)
+
+#define IS_TV(c)		((c)->output_flag & SDVO_TV_MASK)
+#define IS_TMDS(c)		((c)->output_flag & SDVO_TMDS_MASK)
+#define IS_LVDS(c)		((c)->output_flag & SDVO_LVDS_MASK)
+#define IS_TV_OR_LVDS(c)	((c)->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+#define IS_DIGITAL(c)		((c)->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
 
 
 static const char * const tv_format_names[] = {