> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Tejas
> Upadhyay
> Sent: Thursday, January 27, 2022 2:35 AM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH] drm/i915/adl-n: Add PCH Support for Alder Lake
> N
>
> Add the PCH ID for ADL-N.
>
> Signed-off-by: Tejas Upadhyay
> <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pch.c | 1 +
> drivers/gpu/drm/i915/intel_pch.h | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_pch.c
> b/drivers/gpu/drm/i915/intel_pch.c
> index da8f82c2342f..4f7a61d5502e 100644
> --- a/drivers/gpu/drm/i915/intel_pch.c
> +++ b/drivers/gpu/drm/i915/intel_pch.c
> @@ -130,6 +130,7 @@ intel_pch_type(const struct drm_i915_private
> *dev_priv, unsigned short id)
> case INTEL_PCH_ADP_DEVICE_ID_TYPE:
> case INTEL_PCH_ADP2_DEVICE_ID_TYPE:
> case INTEL_PCH_ADP3_DEVICE_ID_TYPE:
> + case INTEL_PCH_ADP4_DEVICE_ID_TYPE:
> drm_dbg_kms(&dev_priv->drm, "Found Alder Lake PCH\n");
> drm_WARN_ON(&dev_priv->drm,
> !IS_ALDERLAKE_S(dev_priv) &&
> !IS_ALDERLAKE_P(dev_priv));
> diff --git a/drivers/gpu/drm/i915/intel_pch.h
> b/drivers/gpu/drm/i915/intel_pch.h
> index 6bff77521094..6fd20408f7bf 100644
> --- a/drivers/gpu/drm/i915/intel_pch.h
> +++ b/drivers/gpu/drm/i915/intel_pch.h
> @@ -58,6 +58,7 @@ enum intel_pch {
> #define INTEL_PCH_ADP_DEVICE_ID_TYPE 0x7A80
> #define INTEL_PCH_ADP2_DEVICE_ID_TYPE 0x5180
> #define INTEL_PCH_ADP3_DEVICE_ID_TYPE 0x7A00
> +#define INTEL_PCH_ADP4_DEVICE_ID_TYPE 0x5480
> #define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
> #define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000
> #define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35
> has 2918 */
> --
> 2.34.1
