From: Duncan Laurie <dlau...@chromium.org>
This command will start erasing at memory address zero
if there is not a valid framebuffer address that was found
during video_init().
This is a common case with Chrome OS devices in normal mode
when we do not execute the video option rom in coreboot.
Signed-off-by: Duncan Laurie <dlau...@chromium.org>
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/video/cfb_console.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index c8d3e42..2b1f604 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -1976,6 +1976,7 @@ int video_get_screen_columns(void)
void video_clear(void)
{
- memsetl(video_fb_address,
- (VIDEO_VISIBLE_ROWS * VIDEO_LINE_LEN) / sizeof(int), 0);
+ if (video_fb_address)
+ memsetl(video_fb_address,
+ (VIDEO_VISIBLE_ROWS * VIDEO_LINE_LEN) / sizeof(int), 0);
}
--
1.7.7.3
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