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authorEric Anholt <eric@anholt.net>2009-01-22 13:01:02 -0800
committerDave Airlie <airlied@linux.ie>2009-02-08 21:37:45 +1000
commit725e30ad6601d7fe443d9215d6331758a9d7e0c8 (patch)
tree47bb72a0d8d53515ae56c9904c1d2e043aaef9a3
parente806b4957412bf472d826bd8cc571da041248799 (diff)
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>
-rw-r--r--drivers/gpu/drm/i915/intel_display.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 31c3732b7a6..dce1abfa649 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -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);