linux-kernel - [PATCH] simplefb: print some info about the registered fb

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Message-Id: <1378467880-1040-1-git-send-email-teg@jklm.no>
Date:	Fri,  6 Sep 2013 13:44:40 +0200
From:	Tom Gundersen <teg@...m.no>
To:	linux-fbdev@...nel.org
Cc:	linux-kernel@...r.kernel.org, tomi.valkeinen@...com,
	plagnioj@...osoft.com, Tom Gundersen <teg@...m.no>,
	Stephen Warren <swarren@...dotorg.org>,
	David Herrmann <dh.herrmann@...il.com>
Subject: [PATCH] simplefb: print some info about the registered fb

This is similar to the output printed by efifb.

Signed-off-by: Tom Gundersen <teg@...m.no>
Cc: Stephen Warren <swarren@...dotorg.org>
Cc: David Herrmann <dh.herrmann@...il.com>
---
 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);
+	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

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