diff options
Diffstat (limited to 'drivers/video/fbdev/xen-fbfront.c')
| -rw-r--r-- | drivers/video/fbdev/xen-fbfront.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index 3ee309c50b2d..46f63960fa9e 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -18,6 +18,8 @@ * frame buffer. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/console.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -380,10 +382,18 @@ static int xenfb_probe(struct xenbus_device *dev, video[KPARAM_MEM] = val; } + video[KPARAM_WIDTH] = xenbus_read_unsigned(dev->otherend, "width", + video[KPARAM_WIDTH]); + video[KPARAM_HEIGHT] = xenbus_read_unsigned(dev->otherend, "height", + video[KPARAM_HEIGHT]); + /* If requested res does not fit in available memory, use default */ fb_size = video[KPARAM_MEM] * 1024 * 1024; if (video[KPARAM_WIDTH] * video[KPARAM_HEIGHT] * XENFB_DEPTH / 8 > fb_size) { + pr_warn("display parameters %d,%d,%d invalid, use defaults\n", + video[KPARAM_MEM], video[KPARAM_WIDTH], + video[KPARAM_HEIGHT]); video[KPARAM_WIDTH] = XENFB_WIDTH; video[KPARAM_HEIGHT] = XENFB_HEIGHT; fb_size = XENFB_DEFAULT_FB_LEN; |