diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2021-02-02 12:50:04 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-02-02 12:50:04 +0200 |
| commit | 29e92559013360c43886e7fb229ed12fd96f46ef (patch) | |
| tree | 360c69b98d070ee1c0633fa9e373d92c8b6d47c1 /drivers/gpu/drm/i915/display/intel_hdmi.c | |
| parent | 6ee8d381257891c7fd2d620e9d2db1be9f0f7bf5 (diff) | |
| parent | 4043277ad18fc7cb9a79d0d043063fb5f42a6f06 (diff) | |
Merge tag 'topic/adl-s-enabling-2021-02-01-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-intel-next
Driver Changes:
- Add basic support for Alder Lake S, to be shared between
drm-intel-next and drm-intel-gt-next
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
# Conflicts:
# drivers/gpu/drm/i915/i915_drv.h
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210202025620.2212559-1-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index d5f4b40a8460..66e1ac3887c6 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -3138,6 +3138,22 @@ static u8 dg1_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) return intel_port_to_phy(dev_priv, port) + 1; } +static u8 adls_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) +{ + enum phy phy = intel_port_to_phy(dev_priv, port); + + WARN_ON(port == PORT_B || port == PORT_C); + + /* + * Pin mapping for ADL-S requires TC pins for all combo phy outputs + * except first combo output. + */ + if (phy == PHY_A) + return GMBUS_PIN_1_BXT; + + return GMBUS_PIN_9_TC1_ICP + phy - PHY_B; +} + static u8 g4x_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { @@ -3175,7 +3191,9 @@ static u8 intel_hdmi_ddc_pin(struct intel_encoder *encoder) return ddc_pin; } - if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1) + if (HAS_PCH_ADP(dev_priv)) + ddc_pin = adls_port_to_ddc_pin(dev_priv, port); + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1) ddc_pin = dg1_port_to_ddc_pin(dev_priv, port); else if (IS_ROCKETLAKE(dev_priv)) ddc_pin = rkl_port_to_ddc_pin(dev_priv, port); |