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drm/i915: Update dummy connector atomic state with current config 

Keep that state updated so that we can write code that depends on it on
the follow up patches.

v2: Fix BUG due to stale connector_state->crtc value. (Chandra)

v3: Update comment about dummy state connectors. (Chandra)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ander Conselvan de Oliveira 2015-03-20 16:18:05 +02:00 committed by Daniel Vetter
parent 989697255d
commit d29b2f9dce
1 changed files with 36 additions and 9 deletions
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45
drivers/gpu/drm/i915/intel_display.c
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@ -10217,6 +10217,27 @@ static void intel_modeset_update_staged_output_state(struct drm_device *dev)
}
}
/* Transitional helper to copy current connector/encoder state to
* connector->state. This is needed so that code that is partially
* converted to atomic does the right thing.
*/
static void intel_modeset_update_connector_atomic_state(struct drm_device *dev)
{
struct intel_connector *connector;
for_each_intel_connector(dev, connector) {
if (connector->base.encoder) {
connector->base.state->best_encoder =
connector->base.encoder;
connector->base.state->crtc =
connector->base.encoder->crtc;
} else {
connector->base.state->best_encoder = NULL;
connector->base.state->crtc = NULL;
}
}
}
/**
* intel_modeset_commit_output_state
*
@ -10240,6 +10261,8 @@ static void intel_modeset_commit_output_state(struct drm_device *dev)
crtc->base.state->enable = crtc->new_enabled;
crtc->base.enabled = crtc->new_enabled;
}
intel_modeset_update_connector_atomic_state(dev);
}
static void
@ -13015,19 +13038,21 @@ static void intel_setup_outputs(struct drm_device *dev)
* testing/debug of the plane operations (and only when a specific
* kernel module option is given), that shouldn't really matter.
*
* We are also relying on these states to convert the legacy mode set
* to use a drm_atomic_state struct. The states are kept consistent
* with actual state, so that it is safe to rely on that instead of
* the staged config.
*
* Once atomic support for crtc's + connectors lands, this loop should
* be removed since we'll be setting up real connector state, which
* will contain Intel-specific properties.
*/
if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
list_for_each_entry(connector,
&dev->mode_config.connector_list,
head) {
if (!WARN_ON(connector->state)) {
connector->state =
kzalloc(sizeof(*connector->state),
GFP_KERNEL);
}
list_for_each_entry(connector,
&dev->mode_config.connector_list,
head) {
if (!WARN_ON(connector->state)) {
connector->state = kzalloc(sizeof(*connector->state),
GFP_KERNEL);
}
}
@ -14080,6 +14105,8 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
"[setup_hw_state]");
}
intel_modeset_update_connector_atomic_state(dev);
for (i = 0; i < dev_priv->num_shared_dpll; i++) {
struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];