Messages in this thread | | | Date | Wed, 21 Feb 2007 11:55:17 -0500 | From | "Jaya Kumar" <> | Subject | Re: [PATCH 2.6.20 1/1] fbdev,mm: hecuba/E-Ink fbdev driver |
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On 2/20/07, Geert Uytterhoeven <geert@linux-m68k.org> wrote: > Don't you need a way to specify the maximum deferral time? E.g. a field in > fb_info. >
You are right. I will need that. I could put that into struct fb_deferred_io. So drivers would setup like:
static struct fb_deferred_io hecubafb_defio = { .delay = HZ, .deferred_io = hecubafb_dpy_update, };
where that would be: struct fb_deferred_io { unsigned long delay; /* delay between mkwrite and deferred handler */ struct mutex lock; /* mutex that protects the page list */ struct list_head pagelist; /* list of touched pages */ struct delayed_work deferred_work; void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); /* callback */ };
and the driver would do: ... info->fbdefio = hecubafb_defio; register_framebuffer...
When the driver calls register_framebuffer and unregister_framebuffer, I can then do the init and destruction of the other members of that struct. Does this sound okay?
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