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ps3fb: default to 480p on DVI-D/HDMI if video=safe 

Default to the 480p video mode on DVI-D and HDMI displays if `video=safe' is
passed on the kernel command line.

This is intended to be used by `kboot'-style boot loaders (i.e. first-stage
kernels) for the PS3, to provide a failsafe video mode.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2007-10-16 01:29:52 -07:00 committed by Linus Torvalds
parent 9a054fbac8
commit d7dd91ff23
1 changed files with 13 additions and 0 deletions
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13
drivers/ps3/ps3av.c
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@ -23,6 +23,7 @@
#include <linux/delay.h>
#include <linux/notifier.h>
#include <linux/ioctl.h>
#include <linux/fb.h>
#include <asm/firmware.h>
#include <asm/ps3av.h>
@ -33,6 +34,8 @@
#define BUFSIZE 4096 /* vuart buf size */
#define PS3AV_BUF_SIZE 512 /* max packet size */
static int safe_mode;
static int timeout = 5000; /* in msec ( 5 sec ) */
module_param(timeout, int, 0644);
@ -639,6 +642,9 @@ static int ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
{
int id;
if (safe_mode)
return PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
/* check native resolution */
id = ps3av_resbit2id(info->res_50.native, info->res_60.native,
info->res_vesa.native);
@ -1021,7 +1027,14 @@ static int ps3av_probe(struct ps3_system_bus_device *dev)
res);
ps3av_get_hw_conf(ps3av);
#ifdef CONFIG_FB
if (fb_mode_option && !strcmp(fb_mode_option, "safe"))
safe_mode = 1;
#endif /* CONFIG_FB */
id = ps3av_auto_videomode(&ps3av->av_hw_conf);
safe_mode = 0;
mutex_lock(&ps3av->mutex);
ps3av->ps3av_mode = id;
mutex_unlock(&ps3av->mutex);