diff options
| 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 /drivers/gpu/drm/i915/intel_pch.c | |
| parent | x86/gpu: Add Alderlake-S stolen memory support (diff) | |
| download | linux-dev-fb51970b8d115842821005032d0a34f7fec7f5fe.tar.xz linux-dev-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
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pch.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pch.c | 8 |
1 files changed, 7 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; |