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From: Tian Tao <tiantao6@hisilicon.com>
To: <airlied@linux.ie>, <daniel@ffwll.ch>, <tzimmermann@suse.de>,
	<kraxel@redhat.com>, <alexander.deucher@amd.com>,
	<tglx@linutronix.de>, <dri-devel@lists.freedesktop.org>,
	<xinliang.liu@linaro.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] gpu: ipu-v3: replace spin_lock_irqsave by spin_lock in hard IRQ
Date: Fri, 4 Dec 2020 09:23:16 +0800	[thread overview]
Message-ID: <1607044999-47666-11-git-send-email-tiantao6@hisilicon.com> (raw)
In-Reply-To: <1607044999-47666-1-git-send-email-tiantao6@hisilicon.com>

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@hisilicon.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


  parent reply	other threads:[~2020-12-04  1:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-04  1:23 [PATCH drm/hisilicon 0/3] support reading resolutions from EDID Tian Tao
2020-12-04  1:23 ` [PATCH] drm/fsl-dcu: remove redundant platform_get_irq error message Tian Tao
2020-12-04  1:23 ` [PATCH 1/2] drm/hisilicon: Use managed mode-config init Tian Tao
2020-12-04  1:23 ` [PATCH] drm/msm/dp: remove duplicate include statement Tian Tao
2020-12-04  1:23 ` [PATCH] drm/msm/dsi: Replace spin_lock_irqsave by spin_lock in hard IRQ Tian Tao
2020-12-04  1:23 ` [PATCH] drm/nouveau/fb/gp102-: use flexible-array member instead of zero-length array Tian Tao
2020-12-04  1:23 ` [PATCH] drm/nouveau: Use vmemdup_user() Tian Tao
2020-12-04  1:23 ` [PATCH] drm/tilcdc: Remove unnecessary THIS_MODULE Tian Tao
2020-12-04  1:23 ` [PATCH] drm/ttm: remove unused varibles Tian Tao
2020-12-04  1:23 ` [PATCH] drm/vc4: Deleted the drm_device declaration Tian Tao
2020-12-04  1:23 ` Tian Tao [this message]
2020-12-04  1:23 ` [PATCH 2/2] drm/hisilicon: Deletted unused local parameters Tian Tao
2020-12-04  1:23 ` [PATCH v2] drm/hisilicon: Delete the entire file hibmc_ttm.c Tian Tao
2020-12-04  1:23 ` [PATCH drm/hisilicon v3 0/2] support reading resolutions from EDID Tian Tao
  -- strict thread matches above, loose matches on Subject: below --
2020-10-19  9:30 [PATCH] gpu: ipu-v3: replace spin_lock_irqsave by spin_lock in hard IRQ Tian Tao

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