[PATCH 10/10] drm/amdgpu: init mmhub ras functions for arcturus

[Zhang, Hawking]

arcturus mmhub ras is different from vg20 and need to
implement arcturus/mmhub_9_4_1 specific mmhub callbacks

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c   |  3 +++
 drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 11 +++++++++++
 drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h |  1 +
 3 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index ae37b08..95f7fb3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -683,6 +683,9 @@ static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
 	case CHIP_VEGA20:
 		adev->mmhub_funcs = &mmhub_v1_0_funcs;
 		break;
+	case CHIP_ARCTURUS:
+		adev->mmhub_funcs = &mmhub_v9_4_funcs;
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
index 0cf7ef4..a929fca 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
@@ -640,3 +640,14 @@ void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u32 *flags)
 	if (data & ATCL2_0_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
 		*flags |= AMD_CG_SUPPORT_MC_LS;
 }
+
+static void mmhub_v9_4_query_ras_error_count(struct amdgpu_device *adev,
+					     void *ras_error_status)
+{
+	/*TODO*/
+}
+
+const struct amdgpu_mmhub_funcs mmhub_v9_4_funcs = {
+	.ras_late_init = amdgpu_mmhub_ras_late_init,
+	.query_ras_error_count = mmhub_v9_4_query_ras_error_count,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h
index d435cfc..5322e42 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h
@@ -33,4 +33,5 @@ int mmhub_v9_4_set_clockgating(struct amdgpu_device *adev,
 			       enum amd_clockgating_state state);
 void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u32 *flags);
 
+extern const struct amdgpu_mmhub_funcs mmhub_v9_4_funcs;
 #endif
-- 
2.7.4