This commit makes the video subsystem code cache aware.
Memory allocated for decompressed BMP memory is now cache line aligned.
Flushing of the dcache is also performed after copying BMP data to fb
address (it is done for 32 BPP bitmap used on Trats board (Exynos4210)).
Tested-by: Lukasz Majewski <l.majew...@samsung.com>
Signed-off-by: Lukasz Majewski <l.majew...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Anatolij Gustschin <ag...@denx.de>
---
common/cmd_bmp.c | 2 +-
common/lcd.c | 3 +++
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/common/cmd_bmp.c b/common/cmd_bmp.c
index 5a52edd..57f3eb5 100644
--- a/common/cmd_bmp.c
+++ b/common/cmd_bmp.c
@@ -55,7 +55,7 @@ bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long
*lenp)
* Decompress bmp image
*/
len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
- dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
+ dst = memalign(CONFIG_SYS_CACHELINE_SIZE, len);
if (dst == NULL) {
puts("Error: malloc in gunzip failed!\n");
return NULL;
diff --git a/common/lcd.c b/common/lcd.c
index 4778655..784d1fb 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -1023,6 +1023,9 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
fb -= (lcd_line_length + width * (bpix / 8));
}
+ flush_dcache_range((unsigned long) fb,
+ (unsigned long) fb +
+ (lcd_line_length * height));
break;
#endif /* CONFIG_BMP_32BPP */
default:
--
1.7.2.3
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
