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Date: Fri, 4 Dec 2020 09:23:16 +0800 From: Tian Tao <tiantao6@...ilicon.com> To: <airlied@...ux.ie>, <daniel@...ll.ch>, <tzimmermann@...e.de>, <kraxel@...hat.com>, <alexander.deucher@....com>, <tglx@...utronix.de>, <dri-devel@...ts.freedesktop.org>, <xinliang.liu@...aro.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH] gpu: ipu-v3: replace spin_lock_irqsave by spin_lock in hard IRQ 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@...ilicon.com> --- 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
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