From 8140c14a5f82efd8375e8c0f551c68ce86fb2ded Mon Sep 17 00:00:00 2001
From: "yp.xiao" <yp.xiao@rock-chips.com>
Date: Wed, 27 Dec 2023 21:46:15 +0800
Subject: [PATCH 13/16] drm: Fix memory read out of bounds

Vop buff width height is 16 alignment, lvgi ui does not need alignment

Change-Id: I159599cbffdd1ba9aa2799bd6b695b92471be4b0
Signed-off-by: yp.xiao <yp.xiao@rock-chips.com>
---
 display/drm.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/display/drm.c b/display/drm.c
index e8ca9667..e78458e1 100644
--- a/display/drm.c
+++ b/display/drm.c
@@ -953,7 +953,12 @@ static void *drm_thread(void *arg)
             if (ret)
                 printf("c_RkRgaBlit error : %s\n", strerror(errno));
 #else
-            memcpy(bo->ptr, drm_buff, bo->size);
+            for (int i = 0; i < lcd_h; i++)
+            {
+                memcpy(bo->ptr + i * bo->pitch,
+                       drm_buff + i * lcd_sw * (LV_COLOR_DEPTH >> 3),
+                       lcd_w * (LV_COLOR_DEPTH >> 3));
+            }
 #endif
             setdrmdisp(bo);
             draw_update = 0;
-- 
2.25.1