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video: tegra: fix crash when no HDMI modes are supported

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Change-Id: I2e23d018d5acb814e7a088921c26c8f305790442
Signed-off-by: Erik Gilling <konkers@android.com>
This commit is contained in:
Erik Gilling
2010-11-05 15:30:35 -07:00
parent acfd7740ee
commit f1ec3093e5
1 changed files with 14 additions and 8 deletions
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22
drivers/video/tegra/fb.c
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@@ -604,15 +604,21 @@ void tegra_fb_update_monspecs(struct tegra_fb_info *fb_info,
}
}
/* in case the first mode was not matched */
m = list_first_entry(&fb_info->info->modelist, struct fb_modelist, list);
m->mode.flag |= FB_MODE_IS_FIRST;
if (list_empty(&fb_info->info->modelist)) {
struct tegra_dc_mode mode;
memset(&fb_info->info->var, 0x0, sizeof(fb_info->info->var));
memset(&mode, 0x0, sizeof(mode));
tegra_dc_set_mode(fb_info->win->dc, &mode);
} else {
/* in case the first mode was not matched */
m = list_first_entry(&fb_info->info->modelist, struct fb_modelist, list);
m->mode.flag |= FB_MODE_IS_FIRST;
fb_info->info->mode = (struct fb_videomode *)
fb_find_best_display(specs, &fb_info->info->modelist);
fb_info->info->mode = (struct fb_videomode *)
fb_find_best_display(specs, &fb_info->info->modelist);
fb_videomode_to_var(&fb_info->info->var, fb_info->info->mode);
tegra_fb_set_par(fb_info->info);
fb_videomode_to_var(&fb_info->info->var, fb_info->info->mode);
tegra_fb_set_par(fb_info->info);
}
event.info = fb_info->info;
fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);