Check for a Cortex-M7 before calling cache functions (#1806)

2020-09-21 18:05:06 -04:00
parent cbd3393d7c
commit 94a6dc08d8
1 changed files with 4 additions and 1 deletions
--- a/src/lv_gpu/lv_gpu_stm32_dma2d.c
+++ b/src/lv_gpu/lv_gpu_stm32_dma2d.c
@@ -219,8 +219,11 @@ static void invalidate_cache(void)
 {
    lv_disp_t * disp = _lv_refr_get_disp_refreshing();
    if(disp->driver.clean_dcache_cb) disp->driver.clean_dcache_cb(&disp->driver);
-    else
+    else {
+#if __CORTEX_M >= 0x07
        SCB_CleanInvalidateDCache();
+#endif
+    }
 }

 static void dma2d_wait(void)