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tmiofb: fix compilation with ACCEL disabled
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Restore support for compiling tmiofb with acceleration disabled.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dmitry Baryshkov authored and Linus Torvalds committed Nov 20, 2008
1 parent 415d8cf commit a495a6d
Showing 1 changed file with 7 additions and 3 deletions.
10 changes: 7 additions & 3 deletions drivers/video/tmiofb.c
Original file line number Diff line number Diff line change
Expand Up @@ -222,6 +222,9 @@ static irqreturn_t tmiofb_irq(int irq, void *__info)
unsigned int bbisc = tmio_ioread16(par->lcr + LCR_BBISC);


tmio_iowrite16(bbisc, par->lcr + LCR_BBISC);

#ifdef CONFIG_FB_TMIO_ACCELL
/*
* We were in polling mode and now we got correct irq.
* Switch back to IRQ-based sync of command FIFO
Expand All @@ -231,9 +234,6 @@ static irqreturn_t tmiofb_irq(int irq, void *__info)
par->use_polling = false;
}

tmio_iowrite16(bbisc, par->lcr + LCR_BBISC);

#ifdef CONFIG_FB_TMIO_ACCELL
if (bbisc & 1)
wake_up(&par->wait_acc);
#endif
Expand Down Expand Up @@ -938,7 +938,9 @@ static void tmiofb_dump_regs(struct platform_device *dev)
static int tmiofb_suspend(struct platform_device *dev, pm_message_t state)
{
struct fb_info *info = platform_get_drvdata(dev);
#ifdef CONFIG_FB_TMIO_ACCELL
struct tmiofb_par *par = info->par;
#endif
struct mfd_cell *cell = dev->dev.platform_data;
int retval = 0;

Expand All @@ -950,12 +952,14 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state)
info->fbops->fb_sync(info);


#ifdef CONFIG_FB_TMIO_ACCELL
/*
* The fb should be usable even if interrupts are disabled (and they are
* during suspend/resume). Switch temporary to forced polling.
*/
printk(KERN_INFO "tmiofb: switching to polling\n");
par->use_polling = true;
#endif
tmiofb_hw_stop(dev);

if (cell->suspend)
Expand Down

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