Commit 0127ab1b authored by Yang Wang's avatar Yang Wang Committed by Alex Deucher
Browse files

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: default avatarYang Wang <kevinyang.wang@amd.com>
Reviewed-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e2770d76

drivers/gpu/drm/amd/pm/amdgpu_pm.c

+1 −2
Original line number Diff line number Diff line
@@ -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))