summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
authorEric Anholt <eric@anholt.net>2009-01-22 22:01:02 +0100
committerDave Airlie <airlied@linux.ie>2009-02-08 12:37:45 +0100
commit725e30ad6601d7fe443d9215d6331758a9d7e0c8 (patch)
tree47bb72a0d8d53515ae56c9904c1d2e043aaef9a3 /drivers/gpu
parentdrm/i915: Suppress GEM teardown on X Server exit in KMS mode. (diff)
downloadlinux-725e30ad6601d7fe443d9215d6331758a9d7e0c8.tar.xz
linux-725e30ad6601d7fe443d9215d6331758a9d7e0c8.zip
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>
Diffstat (limited to 'drivers/gpu')
-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 31c3732b7a69..dce1abfa6496 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);