File 0522-drm-amdgpu-fix-unload-driver-issue-for-vir... of Package drm.7971

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File 0522-drm-amdgpu-fix-unload-driver-issue-for-virtual-displ.patch of Package drm.7971

From cab00a9c16c07045bdaaf9e6b4e92de81790f386 Mon Sep 17 00:00:00 2001
From: Xiangliang Yu <Xiangliang.Yu@amd.com>
Date: Thu, 19 Jan 2017 09:57:41 +0800
Subject: [PATCH] drm/amdgpu: fix unload driver issue for virtual display
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[ Upstream commit 3a1d19a29670aa7eb58576a31883d0aa9fb77549 ]

Virtual display doesn't allocate amdgpu_encoder when initializing,
so will get invaild pointer if try to free amdgpu_encoder when
unloading driver.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/dce_virtual.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -565,11 +565,8 @@ static const struct drm_encoder_helper_f
 
 static void dce_virtual_encoder_destroy(struct drm_encoder *encoder)
 {
-	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
-
-	kfree(amdgpu_encoder->enc_priv);
 	drm_encoder_cleanup(encoder);
-	kfree(amdgpu_encoder);
+	kfree(encoder);
 }
 
 static const struct drm_encoder_funcs dce_virtual_encoder_funcs = {

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File 0522-drm-amdgpu-fix-unload-driver-issue-for-virtual-displ.patch of Package drm.7971

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