drm/i915/xe3lpd: Add condition for EDP to powerdown P2.PG

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>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241018200311.67324-8-matthew.s.atwood@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index a9bb469..8bd5a4d 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -3143,7 +3143,8 @@ 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;