From: Matt Roper <[email protected]> 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 <[email protected]> Reviewed-by: Matt Atwood <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Gustavo Sousa <[email protected]> --- 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
