lby/lk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[target][stm32746g] use the new proper cache flush api for lcd framebuffer writeback

Browse Source
This commit is contained in:
Travis Geiselbrecht
2015-08-21 11:33:26 -07:00
parent b1024ec276
commit d765352674
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
target/stm32746g-eval2/lcd.c
View File

@@ -57,6 +57,7 @@
#include <lib/gfx.h>
#include <dev/gpio.h>
#include <dev/display.h>
#include <arch/ops.h>
#include <platform/stm32.h>
/*
@@ -388,11 +389,11 @@ static void display_flush(uint starty, uint endy)
return;
uint32_t xsize = BSP_LCD_GetXSize();
uint8_t *ptr = (uint8_t *)hLtdcEval.LayerCfg[ActiveLayer].FBStartAdress + starty * xsize;
uint32_t ptr = hLtdcEval.LayerCfg[ActiveLayer].FBStartAdress + starty * xsize;
size_t len = (endy - starty) * xsize * 4;
/* flush the dirty cache lines for the updated region */
SCB_CleanDCache_by_Addr((uint32_t *)ptr, len);
arch_clean_cache_range(ptr, len);
}
void display_get_info(struct display_info *info)