diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 76993ac16cc1b1b84ca4c4ff102458ae47f76c80..03c231be22736082d89a4b69aeb593f5e6b3b127 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -392,13 +392,13 @@ static void intel_sdvo_debug_write(struct intel_encoder *intel_encoder, u8 cmd,
 		DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 	for (; i < 8; i++)
 		DRM_LOG_KMS("   ");
-	for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 		if (cmd == sdvo_cmd_names[i].cmd) {
 			DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 			break;
 		}
 	}
-	if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0]))
+	if (i == ARRAY_SIZE(sdvo_cmd_names))
 		DRM_LOG_KMS("(%02X)", cmd);
 	DRM_LOG_KMS("\n");
 }
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 6d553c29d10666656a2a78c7f289e14565948139..d2d4e4045ca9b74788257385b4d8178aac41a1ac 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1424,7 +1424,7 @@ intel_tv_get_modes(struct drm_connector *connector)
 	int j, count = 0;
 	u64 tmp;
 
-	for (j = 0; j < sizeof(input_res_table) / sizeof(input_res_table[0]);
+	for (j = 0; j < ARRAY_SIZE(input_res_table);
 	     j++) {
 		struct input_res *input = &input_res_table[j];
 		unsigned int hactive_s = input->w;