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drm/i915/crt: Force the initial probe after reset

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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>
This commit is contained in:
Chris Wilson 2011-01-24 15:17:08 +00:00
parent 500f7147cf
commit f3269058e7
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/i915/intel_crt.c
View file

@ -535,6 +535,15 @@ static int intel_crt_set_property(struct drm_connector *connector,
return 0;
}
static void intel_crt_reset(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct intel_crt *crt = intel_attached_crt(connector);
if (HAS_PCH_SPLIT(dev))
crt->force_hotplug_required = 1;
}
/*
* Routines for controlling stuff on the analog port
*/
@ -548,6 +557,7 @@ static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = {
};
static const struct drm_connector_funcs intel_crt_connector_funcs = {
.reset = intel_crt_reset,
.dpms = drm_helper_connector_dpms,
.detect = intel_crt_detect,
.fill_modes = drm_helper_probe_single_connector_modes,