drm/amdgpu: fix NULL pointer issue for supports_baco

Return 0 if the realted ASIC do not have supports_baco
function to fix the NULL pointer issue.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9f9774f58ce1cb2dad797f3d969cab87bb0ad1ed..221671dca2a85cce9d7ad3b21804861bbf9813fe 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1545,7 +1545,8 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
-#define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
+#define amdgpu_asic_supports_baco(adev) \
+    ((adev)->asic_funcs->supports_baco ? (adev)->asic_funcs->supports_baco((adev)) : 0)
 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
        ((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)