[PATCH v3 02/29] drm/i915/xe3p_lpd: Drop north display reset option programming

[Gustavo Sousa <gustavo.sousa@intel.com>]

From: Matt Roper <matthew.d.roper@intel.com>

The NDE_RSTWRN_OPT has been removed on Xe3p platforms and reset option
programming is no longer necessary during display init.

Bspec: 68846, 69137
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index fbfa823b6dce..74fcd9cfe911 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -1438,6 +1438,9 @@ static void intel_pch_reset_handshake(struct intel_display *display,
 	i915_reg_t reg;
 	u32 reset_bits;
 
+	if (DISPLAY_VER(display) >= 35)
+		return;
+
 	if (display->platform.ivybridge) {
 		reg = GEN7_MSG_CTL;
 		reset_bits = WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK;

-- 
2.51.0