drm/amd/pm: disbale dcefclk device sysnode on GFX v9.4.3 chip

v1:
the dceflck sysnode is not aviable on GFX v9.4.3 chip.

v2:
simplify code logic using helper function: amdgpu_device_has_display_hardware().

Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 9ef88a0..3922dd2 100644 (file)
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2049,8 +2049,7 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
                        *states = ATTR_STATE_UNSUPPORTED;
        } else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
                if (gc_ver < IP_VERSION(9, 0, 0) ||
-                   gc_ver == IP_VERSION(9, 4, 1) ||
-                   gc_ver == IP_VERSION(9, 4, 2))
+                   !amdgpu_device_has_display_hardware(adev))
                        *states = ATTR_STATE_UNSUPPORTED;
        } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
                if (mp1_ver < IP_VERSION(10, 0, 0))