[PATCH v3] drm/i915/display: Fuse bit for power management disable removed

[Clint Taylor]

Starting with display version 13 the fuse bit to disable Display PM has
been removed.

v2: Bit removed starting with display version 13 (MattR)
v3: DG2 still uses this fuse bit (MattR)

BSPEC: 50075, 69464
Cc: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor at intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 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 a2ae07f6d1b7..7465e1715cc8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -1775,8 +1775,10 @@ 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 (IS_DG2(i915) || DISPLAY_VER(i915) < 13) {
+			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