linux-kernel - [PATCH 5.10 025/132] drm/amdgpu: init iommu after amdkfd device init

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Message-Id: <20211213092939.968217354@linuxfoundation.org>
Date:   Mon, 13 Dec 2021 10:29:26 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yifan Zhang <yifan1.zhang@....com>,
        James Zhu <James.Zhu@....com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.10 025/132] drm/amdgpu: init iommu after amdkfd device init

From: Yifan Zhang <yifan1.zhang@....com>

commit 714d9e4574d54596973ee3b0624ee4a16264d700 upstream.

This patch is to fix clinfo failure in Raven/Picasso:

Number of platforms: 1
  Platform Profile: FULL_PROFILE
  Platform Version: OpenCL 2.2 AMD-APP (3364.0)
  Platform Name: AMD Accelerated Parallel Processing
  Platform Vendor: Advanced Micro Devices, Inc.
  Platform Extensions: cl_khr_icd cl_amd_event_callback

  Platform Name: AMD Accelerated Parallel Processing Number of devices: 0

Signed-off-by: Yifan Zhang <yifan1.zhang@....com>
Reviewed-by: James Zhu <James.Zhu@....com>
Tested-by: James Zhu <James.Zhu@....com>
Acked-by: Felix Kuehling <Felix.Kuehling@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2220,10 +2220,6 @@ static int amdgpu_device_ip_init(struct
 	if (r)
 		goto init_failed;
 
-	r = amdgpu_amdkfd_resume_iommu(adev);
-	if (r)
-		goto init_failed;
-
 	r = amdgpu_device_ip_hw_init_phase1(adev);
 	if (r)
 		goto init_failed;
@@ -2259,6 +2255,10 @@ static int amdgpu_device_ip_init(struct
 		amdgpu_xgmi_add_device(adev);
 	amdgpu_amdkfd_device_init(adev);
 
+	r = amdgpu_amdkfd_resume_iommu(adev);
+	if (r)
+		goto init_failed;
+
 	amdgpu_fru_get_product_info(adev);
 
 init_failed: