[PATCH 1/8] drm/amdgpu: update amdgpu_discovery to handle revision

[Alex Deucher <alexdeucher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

From: "Tianci.Yin" <tianci.yin@amd.com>

update amdgpu_discovery to get IP revision.

Change-Id: If8152103d03b58e1dc0f32db63625e290f5f08a0
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 4 +++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 1481899f86c1..db2dab3a6dff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -333,7 +333,7 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
 }
 
 int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
-				    int *major, int *minor)
+				    int *major, int *minor, int *revision)
 {
 	struct binary_header *bhdr;
 	struct ip_discovery_header *ihdr;
@@ -369,6 +369,8 @@ int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
 					*major = ip->major;
 				if (minor)
 					*minor = ip->minor;
+				if (revision)
+					*revision = ip->revision;
 				return 0;
 			}
 			ip_offset += sizeof(*ip) + 4 * (ip->num_base_address - 1);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
index 85b8c4d4d576..ada30cfd9d35 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
@@ -28,7 +28,7 @@ int amdgpu_discovery_init(struct amdgpu_device *adev);
 void amdgpu_discovery_fini(struct amdgpu_device *adev);
 int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev);
 int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
-                                    int *major, int *minor);
+                                    int *major, int *minor, int *revision);
 int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev);
 
 #endif /* __AMDGPU_DISCOVERY__ */
-- 
2.20.1

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