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drm/i915: Update connector_mask during readout, v2.

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drm/i915: Update connector_mask during readout, v2.

The connector_mask may be used any time during the non-atomic
.crtc_disable which is called before the full atomic state is
set up and needs to be accurate for that reason.

Changes since v1:
- Update connector_mask in readout_hw_state and add a comment.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/568D1C55.8010001@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2016-01-06 14:53:25 +01:00 committed by Daniel Vetter
parent 8815b23aa0
commit 2aa974c92b
1 changed files with 16 additions and 1 deletions
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17
drivers/gpu/drm/i915/intel_display.c
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@ -15355,6 +15355,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, NULL) < 0);
crtc->base.state->active = crtc->active;
crtc->base.enabled = crtc->active;
crtc->base.state->connector_mask = 0;
/* Because we only establish the connector -> encoder ->
* crtc links if something is active, this means the
@ -15557,7 +15558,21 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
for_each_intel_connector(dev, connector) {
if (connector->get_hw_state(connector)) {
connector->base.dpms = DRM_MODE_DPMS_ON;
connector->base.encoder = &connector->encoder->base;
encoder = connector->encoder;
connector->base.encoder = &encoder->base;
if (encoder->base.crtc &&
encoder->base.crtc->state->active) {
/*
* This has to be done during hardware readout
* because anything calling .crtc_disable may
* rely on the connector_mask being accurate.
*/
encoder->base.crtc->state->connector_mask |=
1 << drm_connector_index(&connector->base);
}
} else {
connector->base.dpms = DRM_MODE_DPMS_OFF;
connector->base.encoder = NULL;