drm/amdgpu: add amdgpu_mmhub_funcs definition

add amdgpu_mmhub_funcs definition and initialize it,
prepare for mmhub ras enablement

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 292f3b1cddf2..fa961e0b6f2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -584,3 +584,12 @@ void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
 	if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
 		*flags |= AMD_CG_SUPPORT_MC_LS;
 }
+
+static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
+					   void *ras_error_status)
+{
+}
+
+const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs = {
+	.query_ras_error_count = mmhub_v1_0_query_ras_error_count,
+};