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drm/i915/xe3p_lpd: Drop north display reset option programming

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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>
Link: https://patch.msgid.link/20251103-xe3p_lpd-basic-enabling-v3-2-00e87b510ae7@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
This commit is contained in:
Matt Roper 2025-11-05 11:06:51 -03:00 committed by Gustavo Sousa
parent 91a5bcdb54
commit 7f0a653a16
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_display_power.c
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@ -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;