drm/i915/crt: Force the initial probe after reset
Upon resume, like after a cold boot, we need to forcibly probe the analog connector and cannot rely on the hotplug status. Based on a patch by Takashi Iwai. Reported-by: Stefan Dirsch <sndirsch@suse.de> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=26952 Tested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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@ -535,6 +535,15 @@ static int intel_crt_set_property(struct drm_connector *connector,
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return 0;
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}
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static void intel_crt_reset(struct drm_connector *connector)
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{
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struct drm_device *dev = connector->dev;
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struct intel_crt *crt = intel_attached_crt(connector);
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if (HAS_PCH_SPLIT(dev))
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crt->force_hotplug_required = 1;
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}
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/*
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* Routines for controlling stuff on the analog port
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*/
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@ -548,6 +557,7 @@ static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = {
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};
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static const struct drm_connector_funcs intel_crt_connector_funcs = {
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.reset = intel_crt_reset,
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.dpms = drm_helper_connector_dpms,
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.detect = intel_crt_detect,
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.fill_modes = drm_helper_probe_single_connector_modes,
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