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drm/i915: Skip SDVO/HDMI init when the chipset tells us it's not present. 

This saves startup time from probing SDVO, and saves setting up HDMI outputs
on G4X devices that don't have them.

Signed-off-by: Dave Airlie <airlied@linux.ie>
hifive-unleashed-5.1
Eric Anholt 2009-01-22 13:01:02 -08:00 committed by Dave Airlie
parent e806b49574
commit 725e30ad66
1 changed files with 11 additions and 7 deletions
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18
drivers/gpu/drm/i915/intel_display.c
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@ -1452,6 +1452,7 @@ static int intel_connector_clones(struct drm_device *dev, int type_mask)
static void intel_setup_outputs(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_connector *connector;
intel_crt_init(dev);
@ -1463,13 +1464,16 @@ static void intel_setup_outputs(struct drm_device *dev)
if (IS_I9XX(dev)) {
int found;
found = intel_sdvo_init(dev, SDVOB);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOB);
found = intel_sdvo_init(dev, SDVOC);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOC);
if (I915_READ(SDVOB) & SDVO_DETECTED) {
found = intel_sdvo_init(dev, SDVOB);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOB);
}
if (!IS_G4X(dev) || (I915_READ(SDVOB) & SDVO_DETECTED)) {
found = intel_sdvo_init(dev, SDVOC);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOC);
}
} else
intel_dvo_init(dev);