[PATCH 2/2] Revert "drm/amd: Add power_saving_policy drm property to eDP connectors"

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This reverts commit 9d8c094ddab05db88d183ba82e23be807848cad8.

It was merged without meeting userspace requirements.

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c   |  4 --
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 52 ++-----------------
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |  2 -
 3 files changed, 5 insertions(+), 53 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 879b4a04c588..092ec11258cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -1407,10 +1407,6 @@ int amdgpu_display_modeset_create_props(struct amdgpu_device *adev)
 					 "dither",
 					 amdgpu_dither_enum_list, sz);
 
-	if (adev->dc_enabled)
-		drm_mode_create_power_saving_policy_property(adev_to_drm(adev),
-							     DRM_MODE_POWER_SAVING_POLICY_ALL);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 0ce983ab5d65..7e7929f24ae4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6725,14 +6725,6 @@ int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
 	} else if (property == adev->mode_info.underscan_property) {
 		dm_new_state->underscan_enable = val;
 		ret = 0;
-	} else if (property == dev->mode_config.power_saving_policy) {
-		dm_new_state->abm_forbidden = val & DRM_MODE_REQUIRE_COLOR_ACCURACY;
-		dm_new_state->abm_level = (dm_new_state->abm_forbidden ||
-					   !dm_old_state->abm_level) ?
-						ABM_LEVEL_IMMEDIATE_DISABLE :
-						dm_old_state->abm_level;
-		dm_new_state->psr_forbidden = val & DRM_MODE_REQUIRE_LOW_LATENCY;
-		ret = 0;
 	}
 
 	return ret;
@@ -6775,13 +6767,6 @@ int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
 	} else if (property == adev->mode_info.underscan_property) {
 		*val = dm_state->underscan_enable;
 		ret = 0;
-	} else if (property == dev->mode_config.power_saving_policy) {
-		*val = 0;
-		if (dm_state->psr_forbidden)
-			*val |= DRM_MODE_REQUIRE_LOW_LATENCY;
-		if (dm_state->abm_forbidden)
-			*val |= DRM_MODE_REQUIRE_COLOR_ACCURACY;
-		ret = 0;
 	}
 
 	return ret;
@@ -6808,12 +6793,9 @@ static ssize_t panel_power_savings_show(struct device *device,
 	u8 val;
 
 	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
-	if (to_dm_connector_state(connector->state)->abm_forbidden)
-		val = 0;
-	else
-		val = to_dm_connector_state(connector->state)->abm_level ==
-			ABM_LEVEL_IMMEDIATE_DISABLE ? 0 :
-			to_dm_connector_state(connector->state)->abm_level;
+	val = to_dm_connector_state(connector->state)->abm_level ==
+		ABM_LEVEL_IMMEDIATE_DISABLE ? 0 :
+		to_dm_connector_state(connector->state)->abm_level;
 	drm_modeset_unlock(&dev->mode_config.connection_mutex);
 
 	return sysfs_emit(buf, "%u\n", val);
@@ -6837,16 +6819,10 @@ static ssize_t panel_power_savings_store(struct device *device,
 		return -EINVAL;
 
 	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
-	if (to_dm_connector_state(connector->state)->abm_forbidden)
-		ret = -EBUSY;
-	else
-		to_dm_connector_state(connector->state)->abm_level = val ?:
-			ABM_LEVEL_IMMEDIATE_DISABLE;
+	to_dm_connector_state(connector->state)->abm_level = val ?:
+		ABM_LEVEL_IMMEDIATE_DISABLE;
 	drm_modeset_unlock(&dev->mode_config.connection_mutex);
 
-	if (ret)
-		return ret;
-
 	drm_kms_helper_hotplug_event(dev);
 
 	return count;
@@ -8040,14 +8016,6 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
 	aconnector->base.state->max_bpc = 16;
 	aconnector->base.state->max_requested_bpc = aconnector->base.state->max_bpc;
 
-	if (connector_type == DRM_MODE_CONNECTOR_eDP &&
-	    (dc_is_dmcu_initialized(adev->dm.dc) ||
-	     adev->dm.dc->ctx->dmub_srv)) {
-		drm_object_attach_property(&aconnector->base.base,
-					   dm->ddev->mode_config.power_saving_policy,
-					   0);
-	}
-
 	if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
 		/* Content Type is currently only implemented for HDMI. */
 		drm_connector_attach_content_type_property(&aconnector->base);
@@ -9748,7 +9716,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 	for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
 		struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
 		struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
-		struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
 		struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
 		struct dc_surface_update *dummy_updates;
 		struct dc_stream_update stream_update;
@@ -9802,15 +9769,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 			stream_update.hdr_static_metadata = &hdr_packet;
 		}
 
-		aconnector->disallow_edp_enter_psr = dm_new_con_state->psr_forbidden;
-
-		/* immediately disable PSR if disallowed */
-		if (aconnector->disallow_edp_enter_psr) {
-			mutex_lock(&dm->dc_lock);
-			amdgpu_dm_psr_disable(dm_new_crtc_state->stream);
-			mutex_unlock(&dm->dc_lock);
-		}
-
 		status = dc_stream_get_status(dm_new_crtc_state->stream);
 
 		if (WARN_ON(!status))
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 6ecb17def4aa..2d7755e2b6c3 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -915,8 +915,6 @@ struct dm_connector_state {
 	bool underscan_enable;
 	bool freesync_capable;
 	bool update_hdcp;
-	bool abm_forbidden;
-	bool psr_forbidden;
 	uint8_t abm_level;
 	int vcpi_slots;
 	uint64_t pbn;
-- 
2.45.2




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