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path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/3827-drm-amdgpu-Disable-all-irqs-before-disabling-all-CRT.patch
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From 6291fb650a4e95d479a9802f4f1d382f15250286 Mon Sep 17 00:00:00 2001
From: Mikita Lipski <mikita.lipski@amd.com>
Date: Thu, 15 Mar 2018 16:53:08 -0400
Subject: [PATCH 3827/4131] drm/amdgpu - Disable all irqs before disabling all
 CRTCs

By moving amdgpu_irq_disable_all earlier in the sequence
fixes an issue with disabling pflip interrupts:

*ERROR* dal_irq_service_dummy_ack: called for non-implemented irq source

Earlier patch fixed a memory corruption and revealed irq
warnings.This way it seems to be there no obvious issues
with unloading the module.

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index dc71a0e..8ce6354 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1507,9 +1507,6 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
 	int i, r;
 
 	amdgpu_amdkfd_device_fini(adev);
-	/* disable all interrupts */
-	amdgpu_irq_disable_all(adev);
-
 	/* need to disable SMC first */
 	for (i = 0; i < adev->num_ip_blocks; i++) {
 		if (!adev->ip_blocks[i].status.hw)
@@ -2161,6 +2158,8 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
 
 	DRM_INFO("amdgpu: finishing device.\n");
 	adev->shutdown = true;
+	/* disable all interrupts */
+	amdgpu_irq_disable_all(adev);
 	if (adev->mode_info.mode_config_initialized){
 		if (!amdgpu_device_has_dc_support(adev))
 			drm_crtc_force_disable_all(adev->ddev);
-- 
2.7.4