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| author | Anusha Srivatsa <anusha.srivatsa@intel.com> | 2021-01-25 06:07:45 -0800 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2021-01-26 07:10:44 -0800 |
| commit | fb51970b8d115842821005032d0a34f7fec7f5fe (patch) | |
| tree | b2b960c0179c2f7913c27c541ef8a8be1bc5c3c6 | |
| parent | c6bba9e5fedf1391a52f1cd21d1ed6ac5fd99e55 (diff) | |
| download | linux-stable-fb51970b8d115842821005032d0a34f7fec7f5fe.tar.gz linux-stable-fb51970b8d115842821005032d0a34f7fec7f5fe.tar.bz2 linux-stable-fb51970b8d115842821005032d0a34f7fec7f5fe.zip | |
drm/i915/adl_s: Add PCH support
Add support for Alderpoint(ADP) PCH used with Alderlake-S.
v2:
- Use drm_dbg_kms and drm_WARN_ON based on Jani's feedback.(aswarup)
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Caz Yokoyama <caz.yokoyama@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210125140753.347998-3-aditya.swarup@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pch.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pch.h | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c index f31c0dabd0cc..2a6d70f247e8 100644 --- a/drivers/gpu/drm/i915/intel_pch.c +++ b/drivers/gpu/drm/i915/intel_pch.c @@ -128,6 +128,10 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id) drm_dbg_kms(&dev_priv->drm, "Found Jasper Lake PCH\n"); drm_WARN_ON(&dev_priv->drm, !IS_JSL_EHL(dev_priv)); return PCH_JSP; + case INTEL_PCH_ADP_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)); + return PCH_ADP; default: return PCH_NONE; } @@ -155,7 +159,9 @@ intel_virt_detect_pch(const struct drm_i915_private *dev_priv) * make an educated guess as to which PCH is really there. */ - if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv)) + if (IS_ALDERLAKE_S(dev_priv)) + id = INTEL_PCH_ADP_DEVICE_ID_TYPE; + else if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv)) id = INTEL_PCH_TGP_DEVICE_ID_TYPE; else if (IS_JSL_EHL(dev_priv)) id = INTEL_PCH_MCC_DEVICE_ID_TYPE; diff --git a/drivers/gpu/drm/i915/intel_pch.h b/drivers/gpu/drm/i915/intel_pch.h index 06d2cd50af0b..7318377503b0 100644 --- a/drivers/gpu/drm/i915/intel_pch.h +++ b/drivers/gpu/drm/i915/intel_pch.h @@ -26,6 +26,7 @@ enum intel_pch { PCH_JSP, /* Jasper Lake PCH */ PCH_MCC, /* Mule Creek Canyon PCH */ PCH_TGP, /* Tiger Lake PCH */ + PCH_ADP, /* Alder Lake PCH */ /* Fake PCHs, functionality handled on the same PCI dev */ PCH_DG1 = 1024, @@ -53,12 +54,14 @@ enum intel_pch { #define INTEL_PCH_TGP2_DEVICE_ID_TYPE 0x4380 #define INTEL_PCH_JSP_DEVICE_ID_TYPE 0x4D80 #define INTEL_PCH_JSP2_DEVICE_ID_TYPE 0x3880 +#define INTEL_PCH_ADP_DEVICE_ID_TYPE 0x7A80 #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 */ #define INTEL_PCH_TYPE(dev_priv) ((dev_priv)->pch_type) #define INTEL_PCH_ID(dev_priv) ((dev_priv)->pch_id) +#define HAS_PCH_ADP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_ADP) #define HAS_PCH_DG1(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_DG1) #define HAS_PCH_JSP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_JSP) #define HAS_PCH_MCC(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_MCC) |