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| author | Duncan Laurie <dlaurie@chromium.org> | 2012-11-03 11:41:40 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2012-12-06 14:30:44 -0800 |
| commit | ae63057446b8bb45c37a6ea4e5db162ba4f25c78 (patch) | |
| tree | cb6bbe085947f498a25488cf0252e903bcc12990 /drivers/video | |
| parent | c94663170b6a27279d4277d42013d55d8d33a292 (diff) | |
| download | blackbird-obmc-uboot-ae63057446b8bb45c37a6ea4e5db162ba4f25c78.tar.gz blackbird-obmc-uboot-ae63057446b8bb45c37a6ea4e5db162ba4f25c78.zip | |
video: Check for valid FB pointer before clearing
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 <dlaurie@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/cfb_console.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c index 9388859da7..26f673a96a 100644 --- a/drivers/video/cfb_console.c +++ b/drivers/video/cfb_console.c @@ -2293,6 +2293,8 @@ int video_get_screen_columns(void) void video_clear(void) { + if (!video_fb_address) + return; #ifdef VIDEO_HW_RECTFILL video_hw_rectfill(VIDEO_PIXEL_SIZE, /* bytes per pixel */ 0, /* dest pos x */ |
