drm/i915: Rename conditional GEM execution macros

After a brief discussion, we settled on a naming convention for the
conditional GEM debugging data that should be clearer to the casual
user: GEM_DEBUG

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207102319.10910-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 697776d..af717e1 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -351,7 +351,7 @@ static void execlists_submit_ports(struct intel_engine_cs *engine)
 		execlists_context_status_change(port[0].request,
 						INTEL_CONTEXT_SCHEDULE_IN);
 	desc[0] = execlists_update_context(port[0].request);
-	GEM_BUG_ONLY(port[0].context_id = upper_32_bits(desc[0]));
+	GEM_DEBUG_EXEC(port[0].context_id = upper_32_bits(desc[0]));
 	port[0].count++;
 
 	if (port[1].request) {
@@ -359,7 +359,7 @@ static void execlists_submit_ports(struct intel_engine_cs *engine)
 		execlists_context_status_change(port[1].request,
 						INTEL_CONTEXT_SCHEDULE_IN);
 		desc[1] = execlists_update_context(port[1].request);
-		GEM_BUG_ONLY(port[1].context_id = upper_32_bits(desc[1]));
+		GEM_DEBUG_EXEC(port[1].context_id = upper_32_bits(desc[1]));
 		port[1].count = 1;
 	} else {
 		desc[1] = 0;
@@ -583,8 +583,8 @@ static void intel_lrc_irq_handler(unsigned long data)
 				continue;
 
 			/* Check the context/desc id for this event matches */
-			GEM_BUG_ONLY_ON(readl(buf + 2 * idx + 1) !=
-					port[0].context_id);
+			GEM_DEBUG_BUG_ON(readl(buf + 2 * idx + 1) !=
+					 port[0].context_id);
 
 			GEM_BUG_ON(port[0].count == 0);
 			if (--port[0].count == 0) {