[PATCH 07/13] drm/i915: Get rid of dpms handling.

[Maarten Lankhorst <maarten.lankhorst@linux.intel.com>]

This is now done completely atomically.
Keep connectors_active for now, but make it mirror crtc_state->active.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_crt.c     |  2 +-
 drivers/gpu/drm/i915/intel_display.c | 97 ------------------------------------
 drivers/gpu/drm/i915/intel_dp.c      |  2 +-
 drivers/gpu/drm/i915/intel_dp_mst.c  | 10 ++--
 drivers/gpu/drm/i915/intel_drv.h     |  3 --
 drivers/gpu/drm/i915/intel_dsi.c     |  2 +-
 drivers/gpu/drm/i915/intel_dvo.c     |  2 +-
 drivers/gpu/drm/i915/intel_hdmi.c    |  2 +-
 drivers/gpu/drm/i915/intel_lvds.c    |  2 +-
 drivers/gpu/drm/i915/intel_sdvo.c    |  2 +-
 drivers/gpu/drm/i915/intel_tv.c      |  2 +-
 11 files changed, 13 insertions(+), 113 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 354e96ea2a5c..af5e43bef4a4 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -751,7 +751,7 @@ static void intel_crt_reset(struct drm_connector *connector)
 
 static const struct drm_connector_funcs intel_crt_connector_funcs = {
 	.reset = intel_crt_reset,
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_crt_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = intel_crt_destroy,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e56806f23199..2ca50e589ea4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6271,67 +6271,6 @@ free:
 	return ret;
 }
 
-/* Master function to enable/disable CRTC and corresponding power wells */
-int intel_crtc_control(struct drm_crtc *crtc, bool enable)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_mode_config *config = &dev->mode_config;
-	struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_crtc_state *pipe_config;
-	struct drm_atomic_state *state;
-	int ret;
-
-	if (enable == intel_crtc->active)
-		return 0;
-
-	if (enable && !crtc->state->enable)
-		return 0;
-
-	/* this function should be called with drm_modeset_lock_all for now */
-	if (WARN_ON(!ctx))
-		return -EIO;
-	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;
-
-	pipe_config = intel_atomic_get_crtc_state(state, intel_crtc);
-	if (IS_ERR(pipe_config)) {
-		ret = PTR_ERR(pipe_config);
-		goto err;
-	}
-	pipe_config->base.active = enable;
-
-	ret = drm_atomic_commit(state);
-	if (!ret)
-		return ret;
-
-err:
-	DRM_ERROR("Updating crtc active failed with %i\n", ret);
-	drm_atomic_state_free(state);
-	return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- */
-void intel_crtc_update_dpms(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct intel_encoder *intel_encoder;
-	bool enable = false;
-
-	for_each_encoder_on_crtc(dev, crtc, intel_encoder)
-		enable |= intel_encoder->connectors_active;
-
-	intel_crtc_control(crtc, enable);
-}
-
 void intel_encoder_destroy(struct drm_encoder *encoder)
 {
 	struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
@@ -6340,22 +6279,6 @@ void intel_encoder_destroy(struct drm_encoder *encoder)
 	kfree(intel_encoder);
 }
 
-/* Simple dpms helper for encoders with just one connector, no cloning and only
- * one kind of off state. It clamps all !ON modes to fully OFF and changes the
- * state of the entire output pipe. */
-static void intel_encoder_dpms(struct intel_encoder *encoder, int mode)
-{
-	if (mode == DRM_MODE_DPMS_ON) {
-		encoder->connectors_active = true;
-
-		intel_crtc_update_dpms(encoder->base.crtc);
-	} else {
-		encoder->connectors_active = false;
-
-		intel_crtc_update_dpms(encoder->base.crtc);
-	}
-}
-
 /* Cross check the actual hw state with our own modeset state tracking (and it's
  * internal consistency). */
 static void intel_connector_check_state(struct intel_connector *connector)
@@ -6427,26 +6350,6 @@ struct intel_connector *intel_connector_alloc(void)
 	return connector;
 }
 
-/* Even simpler default implementation, if there's really no special case to
- * consider. */
-void intel_connector_dpms(struct drm_connector *connector, int mode)
-{
-	/* All the simple cases only support two dpms states. */
-	if (mode != DRM_MODE_DPMS_ON)
-		mode = DRM_MODE_DPMS_OFF;
-
-	if (mode == connector->dpms)
-		return;
-
-	connector->dpms = mode;
-
-	/* Only need to change hw state when actually enabled */
-	if (connector->encoder)
-		intel_encoder_dpms(to_intel_encoder(connector->encoder), mode);
-
-	intel_modeset_check_state(connector->dev);
-}
-
 /* Simple connector->get_hw_state implementation for encoders that support only
  * one connector and no cloning and hence the encoder state determines the state
  * of the connector. */
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f1b9f939b435..cea7d1785d13 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4824,7 +4824,7 @@ static void intel_dp_encoder_reset(struct drm_encoder *encoder)
 }
 
 static const struct drm_connector_funcs intel_dp_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dp_detect,
 	.force = intel_dp_force,
 	.fill_modes = drm_helper_probe_single_connector_modes,
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 6e4cc5334f47..edd8fa41e85e 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -328,7 +328,7 @@ intel_dp_mst_connector_destroy(struct drm_connector *connector)
 }
 
 static const struct drm_connector_funcs intel_dp_mst_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dp_mst_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_dp_mst_set_property,
@@ -454,10 +454,10 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 {
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct drm_device *dev = connector->dev;
-	/* need to nuke the connector */
-	mutex_lock(&dev->mode_config.mutex);
-	intel_connector_dpms(connector, DRM_MODE_DPMS_OFF);
-	mutex_unlock(&dev->mode_config.mutex);
+
+	drm_modeset_lock_all(dev);
+	drm_atomic_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+	drm_modeset_unlock_all(dev);
 
 	intel_connector->unregister(intel_connector);
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0fcfa7f179c4..318ddfb963a2 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -986,12 +986,9 @@ 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);
 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);
 int intel_connector_init(struct intel_connector *);
 struct intel_connector *intel_connector_alloc(void);
-void intel_connector_dpms(struct drm_connector *, int mode);
 bool intel_connector_get_hw_state(struct intel_connector *connector);
 void intel_modeset_check_state(struct drm_device *dev);
 bool ibx_digital_port_connected(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index f4438eb5b458..c7198623dfc8 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -964,7 +964,7 @@ static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs
 };
 
 static const struct drm_connector_funcs intel_dsi_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dsi_detect,
 	.destroy = intel_dsi_connector_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index e854ddd0881d..dc532bb61d22 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -343,7 +343,7 @@ static void intel_dvo_destroy(struct drm_connector *connector)
 }
 
 static const struct drm_connector_funcs intel_dvo_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dvo_detect,
 	.destroy = intel_dvo_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 70bad5bf1d48..51cbea8247fe 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1909,7 +1909,7 @@ static void intel_hdmi_destroy(struct drm_connector *connector)
 }
 
 static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_hdmi_detect,
 	.force = intel_hdmi_force,
 	.fill_modes = drm_helper_probe_single_connector_modes,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index cb634f48e7d9..881b5d13592e 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -549,7 +549,7 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs
 };
 
 static const struct drm_connector_funcs intel_lvds_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_lvds_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_lvds_set_property,
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 5a527681e861..c98098e884cc 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2145,7 +2145,7 @@ done:
 }
 
 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_sdvo_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_sdvo_set_property,
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 8b9d325bda3c..0568ae6ec9dd 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1509,7 +1509,7 @@ out:
 }
 
 static const struct drm_connector_funcs intel_tv_connector_funcs = {
-	.dpms = intel_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_tv_detect,
 	.destroy = intel_tv_destroy,
 	.set_property = intel_tv_set_property,
-- 
2.1.0

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