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drm/i915: Zero the mode in intel_sanitize_crtc when force disabling. 

There is a WARN_ON in drm_atomic_crtc_check for this when exposing the atomic property.
If the mode_blob still exists, but enable = false then all updates are rejected with -EINVAL.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2015-07-14 13:45:32 +02:00 committed by Daniel Vetter
parent b06f8b0df7
commit 4be40c987a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_display.c
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@ -15291,7 +15291,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
crtc->base.state->enable ? "enabled" : "disabled",
crtc->active ? "enabled" : "disabled");
crtc->base.state->enable = crtc->active;
WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, NULL) < 0);
crtc->base.state->active = crtc->active;
crtc->base.enabled = crtc->active;