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path: root/common/recipes-kernel/linux/files/0233-drm-amdgpu-post-card-after-hard-reset.patch
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From 7245823bde00811b8e4494bb4eed4dd50e5defdb Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 15 Jan 2016 11:59:48 -0500
Subject: [PATCH 0233/1110] drm/amdgpu: post card after hard reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Posting is required after a pci config reset.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 51bfc11..c96437c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1894,6 +1894,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
 
 retry:
 	r = amdgpu_asic_reset(adev);
+	/* post card */
+	amdgpu_atom_asic_init(adev->mode_info.atom_context);
+
 	if (!r) {
 		dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
 		r = amdgpu_resume(adev);
-- 
2.7.4