[PATCH v4 7/7] drm/i915/xe3lpd: Add condition for EDP to powerdown P2.PG

[Matt Atwood <matthew.s.atwood@intel.com>]

From: Suraj Kandpal <suraj.kandpal@intel.com>

Add condition for P2.PG power down value.

v2: change subject line to better match patch condition

Bspec: 74494
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
---
 drivers/gpu/drm/i915/display/intel_cx0_phy.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 37c66b32325d..13a99f494680 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -3146,7 +3146,8 @@ static u8 cx0_power_control_disable_val(struct intel_encoder *encoder)
 	if (intel_encoder_is_c10phy(encoder))
 		return CX0_P2PG_STATE_DISABLE;
 
-	if (IS_BATTLEMAGE(i915) && encoder->port == PORT_A)
+	if ((IS_BATTLEMAGE(i915) && encoder->port == PORT_A) ||
+	    (DISPLAY_VER(i915) >= 30 && encoder->type == INTEL_OUTPUT_EDP))
 		return CX0_P2PG_STATE_DISABLE;
 
 	return CX0_P4PG_STATE_DISABLE;
-- 
2.45.0