[PATCH] gpu: ipu-v3: replace spin_lock_irqsave by spin_lock in hard IRQ

From: Tian Tao
Date: Mon Oct 19 2020 - 05:29:38 EST


The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.

Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
drivers/gpu/ipu-v3/ipu-image-convert.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c
index aa1d4b6..c28764c 100644
--- a/drivers/gpu/ipu-v3/ipu-image-convert.c
+++ b/drivers/gpu/ipu-v3/ipu-image-convert.c
@@ -1737,9 +1737,8 @@ static irqreturn_t eof_irq(int irq, void *data)
struct ipu_image_convert_run *run;
irqreturn_t ret = IRQ_HANDLED;
bool tile_complete = false;
- unsigned long flags;

- spin_lock_irqsave(&chan->irqlock, flags);
+ spin_lock(&chan->irqlock);

/* get current run and its context */
run = chan->current_run;
@@ -1778,7 +1777,7 @@ static irqreturn_t eof_irq(int irq, void *data)
if (tile_complete)
ret = do_tile_complete(run);
out:
- spin_unlock_irqrestore(&chan->irqlock, flags);
+ spin_unlock(&chan->irqlock);
return ret;
}

--
2.7.4