Lcd save function pointer to frame buffer get_address_fn before loops

Calling multiple levels of indirection in a loop slows things down

Really these need to be rewritten to take a start and end address
like most of the rest of the codebase

But this is safer without having test hardware in hand

Change-Id: Idae7b92ee779d020ed7fcc9334e2d5a9c710e64d

1 files changed, 2 insertions, 1 deletions

diff --git a/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c b/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c
index 890ff0b586..d0084900e7 100644
--- a/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c
+++ b/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c
@@ -241,8 +241,9 @@ void lcd_update_rect(int x, int y, int w, int h)
     }
     else
     {
+        void* (*fbaddr)(int x, int y) = FB_CURRENTVP_BUFFER->get_address_fn;
         for(int i = 0; i < h; i++)
-            memcpy((fb_data *)FRAME + i * w, FBADDR(x,y + i), w * sizeof(fb_data));
+            memcpy((fb_data *)FRAME + i * w, fbaddr(x,y + i), w * sizeof(fb_data));
     }
     /* WARNING The LCDIF has a limitation on the vertical count ! In 16-bit packed mode
      * (which we used, ie 16-bit per pixel, 2 pixels per 32-bit words), the v_count