[PATCH] drm: bridge: make a const array static, makes object smaller

Colin King colin.king at canonical.com
Wed May 5 18:54:17 UTC 2021


From: Colin Ian King <colin.king at canonical.com>

Don't populate the const array frs_limits on the stack but instead it
static. Makes the object code smaller by 128 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  24835	   7440	     64	  32339	   7e53	drivers/gpu/drm/bridge/tc358768.o

After:
   text	   data	    bss	    dec	    hex	filename
  24739	   7408	     64	  32211	   7dd3	drivers/gpu/drm/bridge/tc358768.o

(gcc version 10.3.0)

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 drivers/gpu/drm/bridge/tc358768.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc358768.c
index 8ed8302d6bbb..2495ea46b091 100644
--- a/drivers/gpu/drm/bridge/tc358768.c
+++ b/drivers/gpu/drm/bridge/tc358768.c
@@ -291,7 +291,7 @@ static int tc358768_calc_pll(struct tc358768_priv *priv,
 			     const struct drm_display_mode *mode,
 			     bool verify_only)
 {
-	const u32 frs_limits[] = {
+	static const u32 frs_limits[] = {
 		1000000000,
 		500000000,
 		250000000,
-- 
2.30.2



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