[PATCH 09/10] drm/i915: kill dev_priv->modeset_on_lid

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This logic has been disabled already in

commit 3b7a89fce3e3dc96b549d6d829387b4439044d0d
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Mon Sep 17 22:27:21 2012 +0200

    drm/i915: fix OOPS in lid_notify

and the fact that this forced restore required a w/a list should
have been hint enough that somethings wrong. With the new modeset
infrastructure we can detect when something is amiss (and if required
should be able to take a much more measured approach in any corrective
actions we take).

So let's just kill this.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_drv.c   |  7 -------
 drivers/gpu/drm/i915/i915_drv.h   |  3 ---
 drivers/gpu/drm/i915/intel_lvds.c | 40 ---------------------------------------
 3 files changed, 50 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 3588783..08ec5bf 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -466,8 +466,6 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
 
 static int i915_drm_freeze(struct drm_device *dev)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
-
 	drm_kms_helper_poll_disable(dev);
 
 	pci_save_state(dev->pdev);
@@ -490,9 +488,6 @@ static int i915_drm_freeze(struct drm_device *dev)
 
 	intel_opregion_fini(dev);
 
-	/* Modeset on resume, not lid events */
-	dev_priv->modeset_on_lid = 0;
-
 	console_lock();
 	intel_fbdev_set_suspend(dev, 1);
 	console_unlock();
@@ -564,8 +559,6 @@ static int i915_drm_thaw(struct drm_device *dev)
 
 	intel_opregion_init(dev);
 
-	dev_priv->modeset_on_lid = 0;
-
 	console_lock();
 	intel_fbdev_set_suspend(dev, 0);
 	console_unlock();
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4072d40..26effb7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -853,9 +853,6 @@ typedef struct drm_i915_private {
 
 	unsigned long quirks;
 
-	/* Register state */
-	bool modeset_on_lid;
-
 	struct i915_gem_mm mm;
 
 	/* Kernel Modesetting */
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index d831882..3f71a5d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -476,26 +476,6 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
 	return 1;
 }
 
-static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id)
-{
-	DRM_INFO("Skipping forced modeset for %s\n", id->ident);
-	return 1;
-}
-
-/* The GPU hangs up on these systems if modeset is performed on LID open */
-static const struct dmi_system_id intel_no_modeset_on_lid[] = {
-	{
-		.callback = intel_no_modeset_on_lid_dmi_callback,
-		.ident = "Toshiba Tecra A11",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"),
-		},
-	},
-
-	{ }	/* terminating entry */
-};
-
 /*
  * Lid events. Note the use of 'modeset_on_lid':
  *  - we set it on lid close, and reset it on open
@@ -512,30 +492,10 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
 		container_of(nb, struct intel_lvds_connector, lid_notifier);
 	struct drm_connector *connector = &lvds_connector->base.base;
 	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	if (dev->switch_power_state != DRM_SWITCH_POWER_ON)
 		return NOTIFY_OK;
 
-	/*
-	 * check and update the status of LVDS connector after receiving
-	 * the LID nofication event.
-	 */
-	connector->status = connector->funcs->detect(connector, false);
-
-	/* Don't force modeset on machines where it causes a GPU lockup */
-	if (dmi_check_system(intel_no_modeset_on_lid))
-		return NOTIFY_OK;
-	if (!acpi_lid_open()) {
-		dev_priv->modeset_on_lid = 1;
-		return NOTIFY_OK;
-	}
-
-	if (!dev_priv->modeset_on_lid)
-		return NOTIFY_OK;
-
-	dev_priv->modeset_on_lid = 0;
-
 	mutex_lock(&dev->mode_config.mutex);
 	intel_modeset_check_state(dev);
 	mutex_unlock(&dev->mode_config.mutex);
-- 
1.7.11.4



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