diff options
| author | Clinton Taylor <Clinton.A.Taylor@intel.com> | 2021-05-12 07:21:43 +0300 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-05-13 02:56:56 +0300 |
| commit | 83c81a0a16e54603bc3812e224620d6015b05836 (patch) | |
| tree | e7fd172cd1504420c2aeb7b11db0c0d4bcb6fc7d /drivers/gpu/drm/i915/intel_pch.c | |
| parent | 0e53fb847c6bba5b92fb80060a63d4c23d032822 (diff) | |
| download | linux-83c81a0a16e54603bc3812e224620d6015b05836.tar.xz | |
drm/i915/adl_p: Add PCH support
Add ADP-P PCH device ID and assign as ADL PCH if found. Previously we
would assign the DDC pin map based on the PCH, but it can also change
based on the CPU. From Bspec 20124: "The physical port to pin pair
mapping are defined in the Bspec per PCH. Mapping can further change
based on CPU Si used as CPU and PCH can be mixed and matched".
Bspec: 20124
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210512042144.2089071-7-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pch.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pch.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c index 7476f0e063c6..98a17dd1bda4 100644 --- a/drivers/gpu/drm/i915/intel_pch.c +++ b/drivers/gpu/drm/i915/intel_pch.c @@ -130,8 +130,10 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id) drm_WARN_ON(&dev_priv->drm, !IS_JSL_EHL(dev_priv)); return PCH_JSP; case INTEL_PCH_ADP_DEVICE_ID_TYPE: + case INTEL_PCH_ADP2_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)); + drm_WARN_ON(&dev_priv->drm, !IS_ALDERLAKE_S(dev_priv) && + !IS_ALDERLAKE_P(dev_priv)); return PCH_ADP; default: return PCH_NONE; @@ -161,7 +163,7 @@ intel_virt_detect_pch(const struct drm_i915_private *dev_priv, * make an educated guess as to which PCH is really there. */ - if (IS_ALDERLAKE_S(dev_priv)) + if (IS_ALDERLAKE_S(dev_priv) || IS_ALDERLAKE_P(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; |