drm/amdgpu: add amdgpu_device reference in ip block

[ Upstream commit 37b9932 ]

To handle amdgpu_device reference for different GPUs
we add it's reference in each ip block which can be
used to differentiate between difference gpu devices.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 8b3e8fa ("drm/amdgpu/uvd4.2: Don't initialize UVD 4.2 when DPM is disabled")
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: amd-sukhatri

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -388,6 +388,7 @@ struct amdgpu_ip_block_version {
 struct amdgpu_ip_block {
 	struct amdgpu_ip_block_status status;
 	const struct amdgpu_ip_block_version *version;
+	struct amdgpu_device *adev;
 };
 
 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -2336,6 +2336,8 @@ int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
 	DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks,
 		  ip_block_version->funcs->name);
 
+	adev->ip_blocks[adev->num_ip_blocks].adev = adev;
+
 	adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version;
 
 	return 0;