Re: [PATCH] simplefb: print some info about the registered fb
From: David Herrmann <hidden>
Date: 2013-09-07 11:16:25
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Hi Tom On Fri, Sep 6, 2013 at 1:49 PM, Tom Gundersen [off-list ref] wrote:
quoted hunk ↗ jump to hunk
This is similar to the output printed by efifb. Signed-off-by: Tom Gundersen <redacted> Cc: Stephen Warren <redacted> Cc: David Herrmann <redacted> --- Hi, Sorry for the resend, got the ml address wrong. -t drivers/video/simplefb.c | 8 ++++++++ 1 file changed, 8 insertions(+)diff --git a/drivers/video/simplefb.c b/drivers/video/simplefb.c index 8d78106..4196686 100644 --- a/drivers/video/simplefb.c +++ b/drivers/video/simplefb.c@@ -220,6 +220,14 @@ static int simplefb_probe(struct platform_device *pdev) } info->pseudo_palette = (void *)(info + 1); + dev_info(&pdev->dev, "framebuffer at 0x%lx, mapped to 0x%p\n", + info->fix.smem_start, info->screen_base);
Could we get smem_len, too? Something like:
dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%lx bytes, mapped
to 0x%p\n",
info->fix.smem_start, (unsigned
long)info->fix.smem_len, info->screen_base);
(smem_len is __u32, so cast it to avoid truncation if it's defined as
long somewhere. Not sure whether we actually have 16bit int somewhere,
though)
Cheers
David
+ dev_info(&pdev->dev, "format=%s, mode=%dx%dx%d, linelength=%d\n",
+ params.format->name,
+ info->var.xres, info->var.yres,
+ info->var.bits_per_pixel,
+ info->fix.line_length);
+
ret = register_framebuffer(info);
if (ret < 0) {
dev_err(&pdev->dev, "Unable to register simplefb: %d\n", ret);
--
1.8.4