Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

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

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>

authored by

Jiajia Liu and committed by
Rodrigo Vivi
090a47b4 506f254e

+2 -1
+2 -1
drivers/gpu/drm/i915/display/intel_pch.c
··· 125 125 drm_dbg_kms(display->drm, "Found SunrisePoint PCH\n"); 126 126 drm_WARN_ON(display->drm, 127 127 !display->platform.skylake && 128 - !display->platform.kabylake); 128 + !display->platform.kabylake && 129 + !display->platform.coffeelake); 129 130 return PCH_SPT; 130 131 case INTEL_PCH_SPT_LP_DEVICE_ID_TYPE: 131 132 drm_dbg_kms(display->drm, "Found SunrisePoint LP PCH\n");