linux-kernel - Re: [Linux-fbdev-devel] [PATCH] fb: hide cursor in graphics mode

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Date:	Thu, 12 Feb 2009 23:12:26 +0200
From:	Risto Suominen <risto.suominen@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	geert@...ux-m68k.org, adaplas@....net,
	linux-fbdev-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Krzysztof Helt <krzysztof.h1@...zta.fm>
Subject: Re: [Linux-fbdev-devel] [PATCH] fb: hide cursor in graphics mode

2009/2/12 Andrew Morton <akpm@...ux-foundation.org>:
>> ---
>> The testing is done on kernel version 2.6.18.
>
> That's a truly ancient kernel.  Is the patch needed on current kernels?
> Does it work correctly in current kernels?
>
It does not on 2.6.24. The patch works.

> How does the cursor get re-enabled?
>
I have not thought of that.

> Should we be calling ops->cursor() if fbcon_is_inactive() is true?
>
Maybe we shouldn't, but we must. The situation is that we are ordered
to enter graphics mode and the variable saying 'graphics' is already
set in vt_ioctl.c. fbcon_is_inactive() tests it and returns true.

The question is, whether this function is called later during normal
operation, and how often?

Risto
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