Calculate all state using a normal transition, but afterwards fudge
crtc->state->active back to its old value. This should still allow
state restore in setup_hw_state to work properly.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 74 +++++++++++++++++++++++-------------
drivers/gpu/drm/i915/intel_drv.h | 2 +-
2 files changed, 49 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 796d08c4606e..9c25b080260c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6175,40 +6175,62 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
}
-static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
+/*
+ * turn all crtc's off, but do not adjust state
+ * This has to be paired with a call to intel_modeset_setup_hw_state.
+ */
+int intel_display_suspend(struct drm_device *dev)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->dev);
- enum intel_display_power_domain domain;
- unsigned long domains;
+ struct drm_mode_config *config = &dev->mode_config;
+ struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx;
+ struct drm_atomic_state *state;
+ struct drm_crtc *crtc;
+ unsigned crtc_mask = 0;
+ int ret = 0;
- if (!intel_crtc->active)
- return;
+ if (WARN_ON(!ctx))
+ return 0;
- if (to_intel_plane_state(crtc->primary->state)->visible) {
- intel_crtc_wait_for_pending_flips(crtc);
- intel_pre_disable_primary(crtc);
+ lockdep_assert_held(&ctx->ww_ctx);
+ state = drm_atomic_state_alloc(dev);
+ if (WARN_ON(!state))
+ return -ENOMEM;
+
+ state->acquire_ctx = ctx;
+ state->allow_modeset = true;
+
+ for_each_crtc(dev, crtc) {
+ struct drm_crtc_state *crtc_state =
+ drm_atomic_get_crtc_state(state, crtc);
+
+ ret = PTR_ERR_OR_ZERO(crtc_state);
+ if (ret)
+ goto free;
+
+ if (!crtc_state->active)
+ continue;
+
+ crtc_state->active = false;
+ crtc_mask |= 1 << drm_crtc_index(crtc);
}
- intel_crtc_disable_planes(crtc, crtc->state->plane_mask);
- dev_priv->display.crtc_disable(crtc);
+ if (crtc_mask) {
+ ret = intel_set_mode(state);
- domains = intel_crtc->enabled_power_domains;
- for_each_power_domain(domain, domains)
- intel_display_power_put(dev_priv, domain);
- intel_crtc->enabled_power_domains = 0;
-}
+ if (!ret) {
+ for_each_crtc(dev, crtc)
+ if (crtc_mask & (1 << drm_crtc_index(crtc)))
+ crtc->state->active = true;
-/*
- * turn all crtc's off, but do not adjust state
- * This has to be paired with a call to intel_modeset_setup_hw_state.
- */
-void intel_display_suspend(struct drm_device *dev)
-{
- struct drm_crtc *crtc;
+ return ret;
+ }
+ }
- for_each_crtc(dev, crtc)
- intel_crtc_disable_noatomic(crtc);
+free:
+ if (ret)
+ DRM_ERROR("Suspending crtc's failed with %i\n", ret);
+ drm_atomic_state_free(state);
+ return ret;
}
void intel_display_resume(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index ea380b83eb5d..fb6c88ade842 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -992,7 +992,7 @@ int intel_pch_rawclk(struct drm_device *dev);
void intel_mark_busy(struct drm_device *dev);
void intel_mark_idle(struct drm_device *dev);
void intel_crtc_restore_mode(struct drm_crtc *crtc);
-void intel_display_suspend(struct drm_device *dev);
+int intel_display_suspend(struct drm_device *dev);
int intel_crtc_control(struct drm_crtc *crtc, bool enable);
void intel_crtc_update_dpms(struct drm_crtc *crtc);
void intel_encoder_destroy(struct drm_encoder *encoder);
--
2.1.0
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