drm/amdgpu/pm: add asic smu support check

It must check asic whether support smu
before call smu powerplay function, otherwise
it may cause null point on no support smu asic.

Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 89fbee5..c73fb73 100644 (file)
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -500,6 +500,9 @@ int amdgpu_dpm_send_hbm_bad_pages_num(struct amdgpu_device *adev, uint32_t size)
        struct smu_context *smu = adev->powerplay.pp_handle;
        int ret = 0;
 
+       if (!is_support_sw_smu(adev))
+               return -EOPNOTSUPP;
+
        mutex_lock(&adev->pm.mutex);
        ret = smu_send_hbm_bad_pages_num(smu, size);
        mutex_unlock(&adev->pm.mutex);
@@ -512,6 +515,9 @@ int amdgpu_dpm_send_hbm_bad_channel_flag(struct amdgpu_device *adev, uint32_t si
        struct smu_context *smu = adev->powerplay.pp_handle;
        int ret = 0;
 
+       if (!is_support_sw_smu(adev))
+               return -EOPNOTSUPP;
+
        mutex_lock(&adev->pm.mutex);
        ret = smu_send_hbm_bad_channel_flag(smu, size);
        mutex_unlock(&adev->pm.mutex);