drm/amdgpu: Doorbell index initialization for ASICs before vega10

Initialize doorbell index for asics vi and cik

v2: Use enum definition instead of hardcoded number
Signed-off-by: Oak Zeng <ozeng@amd.com>
Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1755,6 +1755,7 @@ static const struct amdgpu_asic_funcs cik_asic_funcs =
 	.flush_hdp = &cik_flush_hdp,
 	.invalidate_hdp = &cik_invalidate_hdp,
 	.need_full_reset = &cik_need_full_reset,
+	.init_doorbell_index = &legacy_doorbell_index_init,
 };
 
 static int cik_common_early_init(void *handle)

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

@@ -30,4 +30,5 @@ void cik_srbm_select(struct amdgpu_device *adev,
 		     u32 me, u32 pipe, u32 queue, u32 vmid);
 int cik_set_ip_blocks(struct amdgpu_device *adev);
 
+void legacy_doorbell_index_init(struct amdgpu_device *adev);
 #endif

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

@@ -955,6 +955,7 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
 	.flush_hdp = &vi_flush_hdp,
 	.invalidate_hdp = &vi_invalidate_hdp,
 	.need_full_reset = &vi_need_full_reset,
+	.init_doorbell_index = &legacy_doorbell_index_init,
 };
 
 #define CZ_REV_BRISTOL(rev)	 \
@@ -1712,3 +1713,21 @@ int vi_set_ip_blocks(struct amdgpu_device *adev)
 
 	return 0;
 }
+
+void legacy_doorbell_index_init(struct amdgpu_device *adev)
+{
+	adev->doorbell_index.kiq = AMDGPU_DOORBELL_KIQ;
+	adev->doorbell_index.mec_ring0 = AMDGPU_DOORBELL_MEC_RING0;
+	adev->doorbell_index.mec_ring1 = AMDGPU_DOORBELL_MEC_RING1;
+	adev->doorbell_index.mec_ring2 = AMDGPU_DOORBELL_MEC_RING2;
+	adev->doorbell_index.mec_ring3 = AMDGPU_DOORBELL_MEC_RING3;
+	adev->doorbell_index.mec_ring4 = AMDGPU_DOORBELL_MEC_RING4;
+	adev->doorbell_index.mec_ring5 = AMDGPU_DOORBELL_MEC_RING5;
+	adev->doorbell_index.mec_ring6 = AMDGPU_DOORBELL_MEC_RING6;
+	adev->doorbell_index.mec_ring7 = AMDGPU_DOORBELL_MEC_RING7;
+	adev->doorbell_index.gfx_ring0 = AMDGPU_DOORBELL_GFX_RING0;
+	adev->doorbell_index.sdma_engine0 = AMDGPU_DOORBELL_sDMA_ENGINE0;
+	adev->doorbell_index.sdma_engine1 = AMDGPU_DOORBELL_sDMA_ENGINE1;
+	adev->doorbell_index.ih = AMDGPU_DOORBELL_IH;
+	adev->doorbell_index.max_assignment = AMDGPU_DOORBELL_MAX_ASSIGNMENT;
+}

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

@@ -30,4 +30,5 @@ void vi_srbm_select(struct amdgpu_device *adev,
 		    u32 me, u32 pipe, u32 queue, u32 vmid);
 int vi_set_ip_blocks(struct amdgpu_device *adev);
 
+void legacy_doorbell_index_init(struct amdgpu_device *adev);
 #endif