diff options
Diffstat (limited to 'drivers/video/s3c-fb.c')
| -rw-r--r-- | drivers/video/s3c-fb.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index c94f40d2cc2..18c84b8d45b 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -531,7 +531,7 @@ static int s3c_fb_set_par(struct fb_info *info) /* disable the window whilst we update it */ writel(0, regs + WINCON(win_no)); - if (win_no == sfb->pdata->default_win) + if (!sfb->output_on) s3c_fb_enable(sfb, 1); /* write the buffer address */ @@ -799,6 +799,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info) struct s3c_fb *sfb = win->parent; unsigned int index = win->index; u32 wincon; + u32 output_on = sfb->output_on; dev_dbg(sfb->dev, "blank mode %d\n", blank_mode); @@ -837,34 +838,18 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info) shadow_protect_win(win, 1); writel(wincon, sfb->regs + sfb->variant.wincon + (index * 4)); - shadow_protect_win(win, 0); /* Check the enabled state to see if we need to be running the * main LCD interface, as if there are no active windows then * it is highly likely that we also do not need to output * anything. */ - - /* We could do something like the following code, but the current - * system of using framebuffer events means that we cannot make - * the distinction between just window 0 being inactive and all - * the windows being down. - * - * s3c_fb_enable(sfb, sfb->enabled ? 1 : 0); - */ - - /* we're stuck with this until we can do something about overriding - * the power control using the blanking event for a single fb. - */ - if (index == sfb->pdata->default_win) { - shadow_protect_win(win, 1); - s3c_fb_enable(sfb, blank_mode != FB_BLANK_POWERDOWN ? 1 : 0); - shadow_protect_win(win, 0); - } + s3c_fb_enable(sfb, sfb->enabled ? 1 : 0); + shadow_protect_win(win, 0); pm_runtime_put_sync(sfb->dev); - return 0; + return output_on == sfb->output_on; } /** |