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drm/i915: Fix hotplug interrupt enabling for SDVOC 

A broken conditional would lead to SDVOC waiting upon hotplug events on
SDVOB - and so miss all activity on its SDVO port.

This regression has been introduced in

commit 1d843f9de4
Author: Egbert Eich <eich@suse.de>
Date:   Mon Feb 25 12:06:49 2013 -0500

    DRM/I915: Add enum hpd_pin to intel_encoder.

References: https://bugs.freedesktop.org/show_bug.cgi?id=58405
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Add regression note.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2013-06-09 16:02:03 +01:00 committed by Daniel Vetter
parent 317ddd256b
commit 7ee2aff373
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/intel_sdvo.c
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@ -2793,8 +2793,10 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
/* Only enable the hotplug irq if we need it, to work around noisy
* hotplug lines.
*/
if (intel_sdvo->hotplug_active)
intel_encoder->hpd_pin = HPD_SDVO_B ? HPD_SDVO_B : HPD_SDVO_C;
if (intel_sdvo->hotplug_active) {
intel_encoder->hpd_pin =
intel_sdvo->is_sdvob ? HPD_SDVO_B : HPD_SDVO_C;
}
intel_encoder->compute_config = intel_sdvo_compute_config;
intel_encoder->disable = intel_disable_sdvo;