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authorJesse Barnes2009-12-11 20:07:17 +0100
committerEric Anholt2009-12-16 23:00:05 +0100
commitb01f2c3a4a37d09a47ad73ccbb46d554d21cfeb0 (patch)
tree66624c9810c8175e403a047113f35aef61e925b6 /drivers/gpu/drm/i915/intel_display.c
parentdrm/i915: Track whether cursor needs physical address in intel_device_info (diff)
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drm/i915: only enable hotplug for detected outputs
This patch changes around our hotplug enable code a bit to only enable it for ports we actually detect and initialize. This prevents problems with stuck or spurious interrupts on outputs that aren't actually wired up, and is generally more correct. Fixes FDO bug #23183. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ef9c6139ee31..c21dede6461c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4400,29 +4400,43 @@ static void intel_setup_outputs(struct drm_device *dev)
bool found = false;
if (I915_READ(SDVOB) & SDVO_DETECTED) {
+ DRM_DEBUG_KMS("probing SDVOB\n");
found = intel_sdvo_init(dev, SDVOB);
- if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+ if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) {
+ DRM_DEBUG_KMS("probing HDMI on SDVOB\n");
intel_hdmi_init(dev, SDVOB);
+ }
- if (!found && SUPPORTS_INTEGRATED_DP(dev))
+ if (!found && SUPPORTS_INTEGRATED_DP(dev)) {
+ DRM_DEBUG_KMS("probing DP_B\n");
intel_dp_init(dev, DP_B);
+ }
}
/* Before G4X SDVOC doesn't have its own detect register */
- if (I915_READ(SDVOB) & SDVO_DETECTED)
+ if (I915_READ(SDVOB) & SDVO_DETECTED) {
+ DRM_DEBUG_KMS("probing SDVOC\n");
found = intel_sdvo_init(dev, SDVOC);
+ }
if (!found && (I915_READ(SDVOC) & SDVO_DETECTED)) {
- if (SUPPORTS_INTEGRATED_HDMI(dev))
+ if (SUPPORTS_INTEGRATED_HDMI(dev)) {
+ DRM_DEBUG_KMS("probing HDMI on SDVOC\n");
intel_hdmi_init(dev, SDVOC);
- if (SUPPORTS_INTEGRATED_DP(dev))
+ }
+ if (SUPPORTS_INTEGRATED_DP(dev)) {
+ DRM_DEBUG_KMS("probing DP_C\n");
intel_dp_init(dev, DP_C);
+ }
}
- if (SUPPORTS_INTEGRATED_DP(dev) && (I915_READ(DP_D) & DP_DETECTED))
+ if (SUPPORTS_INTEGRATED_DP(dev) &&
+ (I915_READ(DP_D) & DP_DETECTED)) {
+ DRM_DEBUG_KMS("probing DP_D\n");
intel_dp_init(dev, DP_D);
+ }
} else if (IS_I8XX(dev))
intel_dvo_init(dev);