diff options
author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-10 15:28:03 -0700 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2009-09-10 16:10:00 -0700 |
commit | c1c7af60892070e4b82ad63bbfb95ae745056de0 (patch) | |
tree | cac0b3068c8c85319f54d8ca8f43af040a6666c9 /drivers/gpu/drm/i915 | |
parent | 7e12715ecc47a8a59154afe2746e48998225bb69 (diff) |
drm/i915: force mode set at lid open time
Some laptop platforms will disable pipes and/or planes at lid close time
and not restore them when the lid is opened again. So catch the lid
event, and if the lid was opened, force a mode restore.
Fixes fdo bug #21230.
Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 23 |
3 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index df4597d9dac..f2b8d27aef2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -222,6 +222,8 @@ typedef struct drm_i915_private { unsigned int edp_support:1; int lvds_ssc_freq; + struct notifier_block lid_notifier; + int crt_ddc_bus; /* -1 = unknown, else GPIO to use for CRT DDC */ struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */ int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index cb5305ccb15..92e0aae7070 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -24,6 +24,8 @@ * Eric Anholt <eric@anholt.net> */ +#include <linux/module.h> +#include <linux/input.h> #include <linux/i2c.h> #include <linux/kernel.h> #include "drmP.h" diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index dafc0da1c25..e190ff792bf 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -27,6 +27,7 @@ * Jesse Barnes <jesse.barnes@intel.com> */ +#include <acpi/button.h> #include <linux/dmi.h> #include <linux/i2c.h> #include "drmP.h" @@ -632,6 +633,19 @@ static int intel_lvds_get_modes(struct drm_connector *connector) return 0; } +static int intel_lid_notify(struct notifier_block *nb, unsigned long val, + void *unused) +{ + struct drm_i915_private *dev_priv = + container_of(nb, struct drm_i915_private, lid_notifier); + struct drm_device *dev = dev_priv->dev; + + if (acpi_lid_open()) + drm_helper_resume_force_mode(dev); + + return NOTIFY_OK; +} + /** * intel_lvds_destroy - unregister and free LVDS structures * @connector: connector to free @@ -641,10 +655,14 @@ static int intel_lvds_get_modes(struct drm_connector *connector) */ static void intel_lvds_destroy(struct drm_connector *connector) { + struct drm_device *dev = connector->dev; struct intel_output *intel_output = to_intel_output(connector); + struct drm_i915_private *dev_priv = dev->dev_private; if (intel_output->ddc_bus) intel_i2c_destroy(intel_output->ddc_bus); + if (dev_priv->lid_notifier.notifier_call) + acpi_lid_notifier_unregister(&dev_priv->lid_notifier); drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); kfree(connector); @@ -1011,6 +1029,11 @@ out: pwm |= PWM_PCH_ENABLE; I915_WRITE(BLC_PWM_PCH_CTL1, pwm); } + dev_priv->lid_notifier.notifier_call = intel_lid_notify; + if (acpi_lid_notifier_register(&dev_priv->lid_notifier)) { + DRM_DEBUG("lid notifier registration failed\n"); + dev_priv->lid_notifier.notifier_call = NULL; + } drm_sysfs_connector_add(connector); return; |