From: Xiaojian Du <[email protected]>

This patch will skip the new gc doorbell function for some asics,
only enable new doorbell model on aisc where it is supported.

Signed-off-by: Xiaojian Du <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 97d37b2e58f2..85fddec0d4ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4592,7 +4592,8 @@ static int gfx_v11_0_hw_init(void *handle)
        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
                gfx_v11_0_select_cp_fw_arch(adev);
 
-       adev->nbio.funcs->gc_doorbell_init(adev);
+       if (adev->nbio.funcs->gc_doorbell_init)
+               adev->nbio.funcs->gc_doorbell_init(adev);
 
        r = gfx_v11_0_rlc_resume(adev);
        if (r)
-- 
2.35.1

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