Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757568AbZKNAKI (ORCPT ); Fri, 13 Nov 2009 19:10:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756985AbZKNAKG (ORCPT ); Fri, 13 Nov 2009 19:10:06 -0500 Received: from hera.kernel.org ([140.211.167.34]:43127 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757275AbZKNAKE (ORCPT ); Fri, 13 Nov 2009 19:10:04 -0500 Date: Sat, 14 Nov 2009 00:09:56 GMT From: tip-bot for Matthew Garrett Cc: linux-kernel@vger.kernel.org, mjg@redhat.com, hpa@zytor.com, mingo@redhat.com, tglx@linutronix.de Reply-To: mingo@redhat.com, hpa@zytor.com, mjg@redhat.com, linux-kernel@vger.kernel.org, tglx@linutronix.de In-Reply-To: <1258143251-5818-1-git-send-email-mjg@redhat.com> References: <1258143251-5818-1-git-send-email-mjg@redhat.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/setup] vc: Add support for hiding the cursor when creating VTs Message-ID: Git-Commit-ID: f6c06b6807ff9281295989ebad72523865325a4f X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4580 Lines: 123 Commit-ID: f6c06b6807ff9281295989ebad72523865325a4f Gitweb: http://git.kernel.org/tip/f6c06b6807ff9281295989ebad72523865325a4f Author: Matthew Garrett AuthorDate: Fri, 13 Nov 2009 15:14:11 -0500 Committer: H. Peter Anvin CommitDate: Fri, 13 Nov 2009 15:54:27 -0800 vc: Add support for hiding the cursor when creating VTs Add support for setting a global default for whether or not a visible cursor should be enabled when creating VCs. The default will be to do so, unless overridden by the user at boot time or by a driver. Signed-off-by: Matthew Garrett LKML-Reference: <1258143251-5818-1-git-send-email-mjg@redhat.com> Signed-off-by: H. Peter Anvin --- Documentation/kernel-parameters.txt | 9 +++++++++ drivers/char/vt.c | 11 ++++++++++- drivers/video/console/vgacon.c | 2 ++ include/linux/vt_kern.h | 3 +++ 4 files changed, 24 insertions(+), 1 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 9107b38..dd42eb6 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2729,6 +2729,15 @@ and is between 256 and 4096 characters. It is defined in the file Default is 1, i.e. UTF-8 mode is enabled for all newly opened terminals. + vt.global_cursor_default= + [VT] + Format=<-1|0|1> + Set system-wide default for whether a cursor + is shown on new VTs. Default is -1, + i.e. cursors will be created by default unless + overridden by individual drivers. 0 will hide + cursors, 1 will display them. + waveartist= [HW,OSS] Format: ,,, diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 0c80c68..1e3d728 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -161,6 +161,8 @@ static void set_palette(struct vc_data *vc); static int printable; /* Is console ready for printing? */ int default_utf8 = true; module_param(default_utf8, int, S_IRUGO | S_IWUSR); +int global_cursor_default = -1; +module_param(global_cursor_default, int, S_IRUGO | S_IWUSR); /* * ignore_poke: don't unblank the screen when things are typed. This is @@ -775,6 +777,12 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ vc_cons[currcons].d = NULL; return -ENOMEM; } + + /* If no drivers have overridden us and the user didn't pass a + boot option, default to displaying the cursor */ + if (global_cursor_default == -1) + global_cursor_default = 1; + vc_init(vc, vc->vc_rows, vc->vc_cols, 1); vcs_make_sysfs(currcons); atomic_notifier_call_chain(&vt_notifier_list, VT_ALLOCATE, ¶m); @@ -1616,7 +1624,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear) vc->vc_decscnm = 0; vc->vc_decom = 0; vc->vc_decawm = 1; - vc->vc_deccm = 1; + vc->vc_deccm = global_cursor_default; vc->vc_decim = 0; set_kbd(vc, decarm); @@ -4078,6 +4086,7 @@ EXPORT_SYMBOL(fg_console); EXPORT_SYMBOL(console_blank_hook); EXPORT_SYMBOL(console_blanked); EXPORT_SYMBOL(vc_cons); +EXPORT_SYMBOL(global_cursor_default); #ifndef VT_SINGLE_DRIVER EXPORT_SYMBOL(take_over_console); EXPORT_SYMBOL(give_up_console); diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index da55cca..564643e 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -585,6 +585,8 @@ static void vgacon_init(struct vc_data *c, int init) vgacon_uni_pagedir[1]++; if (!vgacon_uni_pagedir[0] && p) con_set_default_unimap(c); + + hide_boot_cursor(screen_info.flags & VIDEO_FLAGS_NOCURSOR); } static void vgacon_deinit(struct vc_data *c) diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index c0c4e11..7f56db4 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -110,6 +110,7 @@ extern char con_buf[CON_BUF_SIZE]; extern struct mutex con_buf_mtx; extern char vt_dont_switch; extern int default_utf8; +extern int global_cursor_default; struct vt_spawn_console { spinlock_t lock; @@ -130,4 +131,6 @@ struct vt_notifier_param { extern int register_vt_notifier(struct notifier_block *nb); extern int unregister_vt_notifier(struct notifier_block *nb); +extern void hide_boot_cursor(bool hide); + #endif /* _VT_KERN_H */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/