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| author | Eugeni Dodonov <eugeni.dodonov@intel.com> | 2012-05-09 15:37:28 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-19 22:39:50 +0200 |
| commit | 7ceae0a55c52ca8a2a7cbdecc945e434fff77f94 (patch) | |
| tree | 0a1a8ea1b0577a3c813aa4347bcb979e36cdb21f | |
| parent | 0e72a5b55e706dafa3402611f6f9e082a810673d (diff) | |
| download | linux-7ceae0a55c52ca8a2a7cbdecc945e434fff77f94.tar.gz linux-7ceae0a55c52ca8a2a7cbdecc945e434fff77f94.tar.xz linux-7ceae0a55c52ca8a2a7cbdecc945e434fff77f94.zip | |
drm/i915: add support for DDI-controlled digital outputs
Those are driven by DDIs on Haswell architecture, so we need to keep track
of which DDI is being used on each output.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 8da8dfe1b4fa..3b0cf7197254 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -41,6 +41,7 @@ struct intel_hdmi { struct intel_encoder base; u32 sdvox_reg; int ddc_bus; + int ddi_port; uint32_t color_range; bool has_hdmi_sink; bool has_audio; @@ -661,6 +662,24 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) intel_encoder->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT); intel_hdmi->ddc_bus = GMBUS_PORT_DPD; dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS; + } else if (sdvox_reg == DDI_BUF_CTL(PORT_B)) { + DRM_DEBUG_DRIVER("LPT: detected output on DDI B\n"); + intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT); + intel_hdmi->ddc_bus = GMBUS_PORT_DPB; + intel_hdmi->ddi_port = PORT_B; + dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS; + } else if (sdvox_reg == DDI_BUF_CTL(PORT_C)) { + DRM_DEBUG_DRIVER("LPT: detected output on DDI C\n"); + intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT); + intel_hdmi->ddc_bus = GMBUS_PORT_DPC; + intel_hdmi->ddi_port = PORT_C; + dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS; + } else if (sdvox_reg == DDI_BUF_CTL(PORT_D)) { + DRM_DEBUG_DRIVER("LPT: detected output on DDI D\n"); + intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT); + intel_hdmi->ddc_bus = GMBUS_PORT_DPD; + intel_hdmi->ddi_port = PORT_D; + dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS; } else { /* If we got an unknown sdvox_reg, things are pretty much broken * in a way that we should let the kernel know about it */ |