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drm: Stop resetting connector state to unknown

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It's causing piles of issues since we've stopped forcing full detect
cycles in the sysfs interfaces with

commit c484f02d0f
Author: Chris Wilson <[email protected]>
Date:   Fri Mar 6 12:36:42 2015 +0000

    drm: Lighten sysfs connector 'status'

The original justification for this was that the hpd handlers could
use the unknown state as a hint to force a full detection. But current
i915 code isn't doing that any more, and no one else really uses reset
on resume. So instead just keep the old state around.

References: http://article.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/62584
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100641
Cc: Rui Matos <[email protected]>
Cc: Julien Wajsberg <[email protected]>
Cc: [email protected]
Cc: Lennart Poettering <[email protected]>
Cc: [email protected]
Acked-by: Rob Clark <[email protected]>
Tested-by: Rui Tiago Cação Matos <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
This commit is contained in:
Daniel Vetter 2015-07-16 16:47:50 +02:00
commit 5677d67ae3
1 changed files with 1 additions and 4 deletions
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5
drivers/gpu/drm/drm_crtc.c
View file

@ -5398,12 +5398,9 @@ void drm_mode_config_reset(struct drm_device *dev)
if (encoder->funcs->reset)
encoder->funcs->reset(encoder);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
connector->status = connector_status_unknown;
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
if (connector->funcs->reset)
connector->funcs->reset(connector);
}
}
EXPORT_SYMBOL(drm_mode_config_reset);