And get rid of things that are no longer true. This function is only
used for forcing a modeset when encoder properties are changed.
All the existing state is fine in this case, only setting mode_changed
will force a full recalculation here, and take all the state needed.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 62 +++++++++++-------------------------
1 file changed, 18 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index fb9f07b1e5ca..a1f99a32bddb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12753,66 +12753,40 @@ void intel_crtc_restore_mode(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_atomic_state *state;
- struct intel_crtc *intel_crtc;
- struct intel_encoder *encoder;
- struct intel_connector *connector;
- struct drm_connector_state *connector_state;
- struct intel_crtc_state *crtc_state;
+ struct drm_crtc_state *crtc_state;
int ret;
state = drm_atomic_state_alloc(dev);
if (!state) {
- DRM_DEBUG_KMS("[CRTC:%d] mode restore failed, out of memory",
+ DRM_DEBUG_KMS("[CRTC:%d] crtc restore failed, out of memory",
crtc->base.id);
return;
}
- state->acquire_ctx = dev->mode_config.acquire_ctx;
+ state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc);
- /* The force restore path in the HW readout code relies on the staged
- * config still keeping the user requested config while the actual
- * state has been overwritten by the configuration read from HW. We
- * need to copy the staged config to the atomic state, otherwise the
- * mode set will just reapply the state the HW is already in. */
- for_each_intel_encoder(dev, encoder) {
- if (encoder->base.crtc != crtc)
- continue;
-
- for_each_intel_connector(dev, connector) {
- if (connector->base.state->best_encoder != &encoder->base)
- continue;
-
- connector_state = drm_atomic_get_connector_state(state, &connector->base);
- if (IS_ERR(connector_state)) {
- DRM_DEBUG_KMS("Failed to add [CONNECTOR:%d:%s] to state: %ld\n",
- connector->base.base.id,
- connector->base.name,
- PTR_ERR(connector_state));
- continue;
- }
+retry:
+ crtc_state = drm_atomic_get_crtc_state(state, crtc);
+ ret = PTR_ERR_OR_ZERO(crtc_state);
+ if (!ret) {
+ if (!crtc_state->active)
+ goto out;
- connector_state->crtc = crtc;
- }
+ crtc_state->mode_changed = true;
+ ret = intel_modeset_compute_config(state);
}
- for_each_intel_crtc(dev, intel_crtc) {
- crtc_state = intel_atomic_get_crtc_state(state, intel_crtc);
- if (IS_ERR(crtc_state)) {
- DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n",
- intel_crtc->base.base.id,
- PTR_ERR(crtc_state));
- continue;
- }
+ if (!ret)
+ ret = intel_set_mode_checked(state);
- if (&intel_crtc->base == crtc)
- drm_mode_copy(&crtc_state->base.mode, &crtc->mode);
+ if (ret == -EDEADLK) {
+ drm_atomic_state_clear(state);
+ drm_modeset_backoff(state->acquire_ctx);
+ goto retry;
}
- intel_modeset_setup_plane_state(state, crtc, &crtc->mode,
- crtc->primary->fb, crtc->x, crtc->y);
-
- ret = intel_set_mode(state);
if (ret)
+out:
drm_atomic_state_free(state);
}
--
2.1.0
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