[RFC] SM501: Call fb suspend function during suspend and resume.

[RFC] SM501: Call fb suspend function during suspend and resume.

[Ben Dooks]

I belive the following patch to be correct:

Call the fb_set_suspend() over suspend and resume.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

Index: linux-2.6.21-quilt/drivers/video/sm501fb.c
===================================================================
--- linux-2.6.21-quilt.orig/drivers/video/sm501fb.c	2007-05-24 14:58:43.000000000 +0100
+++ linux-2.6.21-quilt/drivers/video/sm501fb.c	2007-05-24 15:06:24.000000000 +0100
@@ -28,6 +28,7 @@
 #include <linux/wait.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/console.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -1697,6 +1698,10 @@ static int sm501fb_suspend_fb(struct sm5
 	/* blank the relevant interface to ensure unit power minimised */
 	(par->ops.fb_blank)(FB_BLANK_POWERDOWN, fbi);
 
+	acquire_console_sem();
+	fb_set_suspend(fbi, 1);
+	release_console_sem();
+
 	return 0;
 
  err_nocursor:
@@ -1732,6 +1737,10 @@ static void sm501fb_resume_fb(struct sm5
 		memcpy_toio(par->cursor.k_addr, par->store_cursor,
 			    par->cursor.size);
 
+	acquire_console_sem();
+	fb_set_suspend(fbi, 0);
+	release_console_sem();
+
 	vfree(par->store_fb);
 	vfree(par->store_cursor);
 }



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Re: [RFC] SM501: Call fb suspend function during suspend and resume.

[Antonino A. Daplas]

On Tue, 2007-07-10 at 10:01 +0100, Ben Dooks wrote:
> I belive the following patch to be correct:
> 
> Call the fb_set_suspend() over suspend and resume.
> 
It's correct.  I'll be pushing your patches to akpm after the next -mm
release.

Tony



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