From 5021e9a83160dab64ccc0460e820340d71fafe14 Mon Sep 17 00:00:00 2001
From: Nirmoy Das <nirmoy.das@amd.com>
Date: Wed, 8 Jan 2020 10:32:55 +0100
Subject: [PATCH] drm/amdgpu: catch amdgpu_irq_add_id failure
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Do not ignore amdgpu_irq_add_id return value while registering
VMC page fault interrupt.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index da9765ff45d6..7dc8c068c62a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -720,6 +720,10 @@ static int gmc_v10_0_sw_init(void *handle)
 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC,
 			      VMC_1_0__SRCID__VM_FAULT,
 			      &adev->gmc.vm_fault);
+
+	if (r)
+		return r;
+
 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
 			      UTCL2_1_0__SRCID__FAULT,
 			      &adev->gmc.vm_fault);