Starting with Display 20 the fuse bit to disable Display PM has been removed.
BSPEC: 69464 Signed-off-by: Clint Taylor <[email protected]> Signed-off-by: Matt Atwood <[email protected]> --- drivers/gpu/drm/i915/display/intel_display_device.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index f33062322c66..19aadf635077 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -1653,8 +1653,10 @@ static void __intel_display_device_info_runtime_init(struct drm_i915_private *i9 if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE) display_runtime->has_hdcp = 0; - if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) - display_runtime->fbc_mask = 0; + if (DISPLAY_VER(i915) < 20) { + if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) + display_runtime->fbc_mask = 0; + } if (DISPLAY_VER(i915) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) display_runtime->has_dmc = 0; -- 2.25.1
