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path: root/meta-amdfalconx86/recipes-kernel/linux/files/0001-fix-hang-issue-when-enable-CONFIG_DRM_AMD_ACP.patch
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From 0425f76fdb78fcede5819426814748912804eaa0 Mon Sep 17 00:00:00 2001
From: Xiaogang <xiaogang.chen@amd.com>
Date: Wed, 20 Jul 2016 11:48:13 -0500
Subject: [PATCH] fix hang issue when enable CONFIG_DRM_AMD_ACP

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
old mode 100644
new mode 100755
index d6b0bff..34491f8
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -84,7 +84,6 @@ static int acp_sw_init(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
 	adev->acp.parent = adev->dev;
-
 	adev->acp.cgs_device =
 		amdgpu_cgs_create_device(adev);
 	if (!adev->acp.cgs_device)
@@ -356,20 +355,27 @@ static int acp_hw_init(void *handle)
 	adev->acp.acp_cell[0].num_resources = 4;
 	adev->acp.acp_cell[0].resources = &adev->acp.acp_res[0];
 
+    adev->acp.acp_cell[0].ignore_resource_conflicts = 1;
+
 	adev->acp.acp_cell[1].name = "designware-i2s";
 	adev->acp.acp_cell[1].num_resources = 1;
 	adev->acp.acp_cell[1].resources = &adev->acp.acp_res[1];
 	adev->acp.acp_cell[1].platform_data = &i2s_pdata[0];
 	adev->acp.acp_cell[1].pdata_size = sizeof(struct i2s_platform_data);
 
+    adev->acp.acp_cell[1].ignore_resource_conflicts = 1;
+
 	adev->acp.acp_cell[2].name = "designware-i2s";
 	adev->acp.acp_cell[2].num_resources = 1;
 	adev->acp.acp_cell[2].resources = &adev->acp.acp_res[2];
 	adev->acp.acp_cell[2].platform_data = &i2s_pdata[1];
 	adev->acp.acp_cell[2].pdata_size = sizeof(struct i2s_platform_data);
 
+    adev->acp.acp_cell[2].ignore_resource_conflicts = 1;
+
 	r = mfd_add_hotplug_devices(adev->acp.parent, adev->acp.acp_cell,
 								ACP_DEVS);
+
 	if (r)
 		return r;
 
-- 
2.1.4