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drm/atomic: Do not unset crtc when an encoder is stolen

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While we steal the encoder away from the connector the connector may
be updated to use a different encoder.

Without this change if 2 connectors swap encoders one of them will
end up without a crtc.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1452160762-30487-5-git-send-email-maarten.lankhorst@linux.intel.com
This commit is contained in:
Maarten Lankhorst 2016-01-07 10:59:21 +01:00 committed by Daniel Vetter
parent 7811b1240d
commit 97a8df9087
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/drm_atomic_helper.c
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@ -134,7 +134,6 @@ steal_encoder(struct drm_atomic_state *state,
struct drm_crtc_state *crtc_state;
struct drm_connector *connector;
struct drm_connector_state *connector_state;
int ret;
/*
* We can only steal an encoder coming from a connector, which means we
@ -165,9 +164,6 @@ steal_encoder(struct drm_atomic_state *state,
if (IS_ERR(connector_state))
return PTR_ERR(connector_state);
ret = drm_atomic_set_crtc_for_connector(connector_state, NULL);
if (ret)
return ret;
connector_state->best_encoder = NULL;
}