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MLK-16536-7 video: fbdev: dcss: abstract cfifo wq flush operation

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Abstract the cfifo workqueue flush operation to a separate
interface 'finish_cfifo()'.

Signed-off-by: Fancy Fang <chen.fang@nxp.com>
Reviewed-by: Robby Cai <robby.cai@nxp.com>
This commit is contained in:
Fancy Fang 2017-09-21 11:44:38 +08:00 committed by Jason Liu
parent 7d9c978b0d
commit 7ae5e561aa
1 changed files with 9 additions and 2 deletions
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11
drivers/video/fbdev/mxc/imx_dcss.c
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@ -2342,6 +2342,13 @@ static void flush_cfifo(struct ctxld_fifo *cfifo,
WARN(!ret, "work has already been queued\n");
}
static int finish_cfifo(struct ctxld_fifo *cfifo)
{
flush_workqueue(cfifo->ctxld_wq);
return 0;
}
static int commit_cfifo(uint32_t channel,
struct dcss_info *info,
struct ctxld_commit *cc)
@ -2380,7 +2387,7 @@ restart:
atomic_set(&info->flush, 1);
spin_unlock(&cfifo->cqueue.lock);
/* Wait fifo flush empty to avoid fifo wrap */
flush_workqueue(cfifo->ctxld_wq);
finish_cfifo(cfifo);
spin_lock(&cfifo->cqueue.lock);
atomic_set(&info->flush, 0);
kfifo_reset(&cfifo->fifo);
@ -2788,7 +2795,7 @@ static int dcss_pan_display(struct fb_var_screeninfo *var,
/* TODO: blocking mode */
if (likely(!var->reserved[2]))
/* make pan display synchronously */
flush_workqueue(info->cfifo.ctxld_wq);
finish_cfifo(&info->cfifo);
goto out;