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drm/i915/pch: fix warning for coffeelake on SunrisePoint PCH

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i915/pch reports a warning on a mini PC which has a CoffeeLake-S GT2
[UHD Graphics 630] [8086:3e92] and an ISA bridge - H110 LPC Controller
[8086:a143].

[5.608723] i915 0000:00:02.0: [drm] Found coffeelake (device ID 3e92) integrated display version 9.00 stepping N/A
[5.608969] ------------[ cut here ]------------
[5.608972] i915 0000:00:02.0: [drm] drm_WARN_ON(!display->platform.skylake && !display->platform.kabylake)
[5.608995] WARNING: CPU: 3 PID: 440 at drivers/gpu/drm/i915/display/intel_pch.c:126 intel_pch_type+0x1af/0xae0 [i915]
[5.609317] CPU: 3 UID: 0 PID: 440 Comm: (udev-worker) Not tainted 6.15.0-rc3-drm-tip-2fa6469c618d #3 PREEMPT(voluntary)

Signed-off-by: Jiajia Liu <liujiajia@kylinos.cn>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250423073730.585181-1-liujiajia@kylinos.cn
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Jiajia Liu 2025-04-23 15:37:30 +08:00 committed by Rodrigo Vivi
parent 506f254e36
commit 090a47b4cd
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GPG Key ID: FA625F640EEB13CA
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/intel_pch.c
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@ -125,7 +125,8 @@ intel_pch_type(const struct intel_display *display, unsigned short id)
drm_dbg_kms(display->drm, "Found SunrisePoint PCH\n");
drm_WARN_ON(display->drm,
!display->platform.skylake &&
!display->platform.kabylake);
!display->platform.kabylake &&
!display->platform.coffeelake);
return PCH_SPT;
case INTEL_PCH_SPT_LP_DEVICE_ID_TYPE:
drm_dbg_kms(display->drm, "Found SunrisePoint LP PCH\n");