linux-kernel - [PATCH drm/hisilicon 2/2] drm/hisilicon: Use the new api devm_drm_msi

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Date:   Tue, 15 Dec 2020 19:48:53 +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>
CC:     Tian Tao <tiantao6@...ilicon.com>
Subject: [PATCH drm/hisilicon 2/2] drm/hisilicon: Use the new api devm_drm_msi_install

Use devm_drm_msi_install to enable pci msi so that
pci_disable_msi is not called when hibmc is removed.

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 7e91ef1..21f8225 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -251,7 +251,6 @@ static int hibmc_hw_init(struct hibmc_drm_private *priv)
 static int hibmc_unload(struct drm_device *dev)
 {
 	drm_atomic_helper_shutdown(dev);
-	pci_disable_msi(dev->pdev);
 
 	return 0;
 }
@@ -282,7 +281,7 @@ static int hibmc_load(struct drm_device *dev)
 		goto err;
 	}
 
-	ret = pci_enable_msi(dev->pdev);
+	ret = devm_drm_msi_install(dev);
 	if (ret) {
 		drm_warn(dev, "enabling MSI failed: %d\n", ret);
 	} else {
-- 
2.7.4