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From: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>,
	Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	KyleMahlkuch
	<kmahlkuc-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH AUTOSEL 4.9 03/19] drm/radeon: Fix EEH during kexec
Date: Tue, 24 Sep 2019 12:51:14 -0400	[thread overview]
Message-ID: <20190924165130.28625-3-sashal@kernel.org> (raw)
In-Reply-To: <20190924165130.28625-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

From: KyleMahlkuch <kmahlkuc@linux.vnet.ibm.com>

[ Upstream commit 6f7fe9a93e6c09bf988c5059403f5f88e17e21e6 ]

During kexec some adapters hit an EEH since they are not properly
shut down in the radeon_pci_shutdown() function. Adding
radeon_suspend_kms() fixes this issue.

Signed-off-by: KyleMahlkuch <kmahlkuc@linux.vnet.ibm.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/radeon/radeon_drv.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 30bd4a6a9d466..3ccf5b28b326e 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -366,11 +366,19 @@ radeon_pci_remove(struct pci_dev *pdev)
 static void
 radeon_pci_shutdown(struct pci_dev *pdev)
 {
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+
 	/* if we are running in a VM, make sure the device
 	 * torn down properly on reboot/shutdown
 	 */
 	if (radeon_device_is_virtual())
 		radeon_pci_remove(pdev);
+
+	/* Some adapters need to be suspended before a
+	* shutdown occurs in order to prevent an error
+	* during kexec.
+	*/
+	radeon_suspend_kms(ddev, true, true, false);
 }
 
 static int radeon_pmops_suspend(struct device *dev)
-- 
2.20.1

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  parent reply	other threads:[~2019-09-24 16:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-24 16:51 [PATCH AUTOSEL 4.9 01/19] drm/bridge: tc358767: Increase AUX transfer length limit Sasha Levin
2019-09-24 16:51 ` [PATCH AUTOSEL 4.9 02/19] video: ssd1307fb: Start page range at page_offset Sasha Levin
     [not found] ` <20190924165130.28625-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2019-09-24 16:51   ` Sasha Levin [this message]
2019-09-24 16:51   ` [PATCH AUTOSEL 4.9 04/19] gpu: drm: radeon: Fix a possible null-pointer dereference in radeon_connector_set_property() Sasha Levin
2019-09-24 16:51   ` [PATCH AUTOSEL 4.9 07/19] drm/amd/powerplay/smu7: enforce minimal VBITimeout (v2) Sasha Levin
2019-09-24 16:51   ` [PATCH AUTOSEL 4.9 14/19] drm/amdgpu/si: fix ASIC tests Sasha Levin

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