答复: [PATCH v2 02/22] drm/hibmc: Call drm_irq_uninstall() unconditionally

From: "tiantao (H)" <tiantao6@hisilicon.com>
Subject: 答复: [PATCH v2 02/22] drm/hibmc: Call drm_irq_uninstall() unconditionally
Date: Wed, 23 Jun 2021 11:34:50 +0000	[thread overview]
Message-ID: <f64f8ee5ca4a4dd3a67fe64a89feabe8@hisilicon.com> (raw)
In-Reply-To: <20210622141002.11590-3-tzimmermann@suse.de>



-----邮件原件-----
发件人: Thomas Zimmermann [mailto:tzimmermann@suse.de] 
发送时间: 2021年6月22日 22:10
收件人: daniel@ffwll.ch; airlied@linux.ie; alexander.deucher@amd.com; christian.koenig@amd.com; Xinhui.Pan@amd.com; james.qian.wang@arm.com; liviu.dudau@arm.com; mihail.atanassov@arm.com; brian.starkey@arm.com; maarten.lankhorst@linux.intel.com; mripard@kernel.org; inki.dae@samsung.com; jy0922.shim@samsung.com; sw0312.kim@samsung.com; kyungmin.park@samsung.com; krzysztof.kozlowski@canonical.com; xinliang.liu@linaro.org; tiantao (H) <tiantao6@hisilicon.com>; john.stultz@linaro.org; kongxinwei (A) <kong.kongxinwei@hisilicon.com>; Chenfeng (puck) <puck.chen@hisilicon.com>; laurentiu.palcu@oss.nxp.com; l.stach@pengutronix.de; p.zabel@pengutronix.de; shawnguo@kernel.org; s.hauer@pengutronix.de; kernel@pengutronix.de; festevam@gmail.com; linux-imx@nxp.com; chunkuang.hu@kernel.org; matthias.bgg@gmail.com; bskeggs@redhat.com; tomba@kernel.org; hjc@rock-chips.com; heiko@sntech.de; benjamin.gaignard@linaro.org; yannick.fertre@foss.st.com; philippe.cornu@foss.st.com; mcoquelin.stm32@gmail.com; alexandre.torgue@foss.st.com; wens@csie.org; jernej.skrabec@gmail.com; thierry.reding@gmail.com; jonathanh@nvidia.com; jyri.sarha@iki.fi; emma@anholt.net; linux-graphics-maintainer@vmware.com; zackr@vmware.com; hyun.kwon@xilinx.com; laurent.pinchart@ideasonboard.com; michal.simek@xilinx.com
抄送: amd-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org; linux-arm-kernel@lists.infradead.org; linux-samsung-soc@vger.kernel.org; linux-mediatek@lists.infradead.org; nouveau@lists.freedesktop.org; linux-rockchip@lists.infradead.org; linux-stm32@st-md-mailman.stormreply.com; linux-sunxi@lists.linux.dev; linux-tegra@vger.kernel.org; Thomas Zimmermann <tzimmermann@suse.de>
主题: [PATCH v2 02/22] drm/hibmc: Call drm_irq_uninstall() unconditionally

Remove the check around drm_irq_uninstall(). The same test is done by the function internally. The tested state in irq_enabled is considered obsolete and should not be used by KMS drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Acked-by: Tian Tao <tiantao6@hisilicon.com>

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index f4bc5386574a..f8ef711bbe5d 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -253,8 +253,7 @@ static int hibmc_unload(struct drm_device *dev)  {
 	drm_atomic_helper_shutdown(dev);
 
-	if (dev->irq_enabled)
-		drm_irq_uninstall(dev);
+	drm_irq_uninstall(dev);
 
 	pci_disable_msi(to_pci_dev(dev->dev));
 
--
2.32.0

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