From: Matt Roper Date: Wed, 5 Nov 2025 14:06:51 +0000 (-0300) Subject: drm/i915/xe3p_lpd: Drop north display reset option programming X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7f0a653a16a84399d59a2c09d508bf87ed38e1c6;p=thirdparty%2Fkernel%2Flinux.git drm/i915/xe3p_lpd: Drop north display reset option programming 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 Reviewed-by: Matt Atwood Link: https://patch.msgid.link/20251103-xe3p_lpd-basic-enabling-v3-2-00e87b510ae7@intel.com Signed-off-by: Gustavo Sousa --- diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index ebe6225470d05..bca36cc753018 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -1436,6 +1436,9 @@ 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;