drm/amdgpu: Update external revid for GC v9.5.0

commit 05c8b69 upstream.

Use different external revid for GC v9.5.0 SOCs.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 21c6764)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Lijo Lazar

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -1183,6 +1183,8 @@ static int soc15_common_early_init(void *handle)
 			AMD_PG_SUPPORT_JPEG;
 		/*TODO: need a new external_rev_id for GC 9.4.4? */
 		adev->external_rev_id = adev->rev_id + 0x46;
+		if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0))
+			adev->external_rev_id = adev->rev_id + 0x50;
 		break;
 	default:
 		/* FIXME: not supported yet */