diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 85 |
1 files changed, 62 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 8df02ef89261..98ae3d73577e 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" @@ -38,16 +39,6 @@ #include "i915_drv.h" #include <linux/acpi.h> -#define I915_LVDS "i915_lvds" - -/* - * the following four scaling options are defined. - * #define DRM_MODE_SCALE_NON_GPU 0 - * #define DRM_MODE_SCALE_FULLSCREEN 1 - * #define DRM_MODE_SCALE_NO_SCALE 2 - * #define DRM_MODE_SCALE_ASPECT 3 - */ - /* Private structure for the integrated LVDS support */ struct intel_lvds_priv { int fitting_mode; @@ -305,6 +296,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, goto out; } + /* full screen scale for now */ + if (IS_IGDNG(dev)) + goto out; + /* 965+ wants fuzzy fitting */ if (IS_I965G(dev)) pfit_control |= (intel_crtc->pipe << PFIT_PIPE_SHIFT) | @@ -332,11 +327,13 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, * to register description and PRM. * Change the value here to see the borders for debugging */ - I915_WRITE(BCLRPAT_A, 0); - I915_WRITE(BCLRPAT_B, 0); + if (!IS_IGDNG(dev)) { + I915_WRITE(BCLRPAT_A, 0); + I915_WRITE(BCLRPAT_B, 0); + } switch (lvds_priv->fitting_mode) { - case DRM_MODE_SCALE_NO_SCALE: + case DRM_MODE_SCALE_CENTER: /* * For centered modes, we have to calculate border widths & * heights and modify the values programmed into the CRTC. @@ -582,7 +579,6 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder, * settings. */ - /* No panel fitting yet, fixme */ if (IS_IGDNG(dev)) return; @@ -595,15 +591,33 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder, I915_WRITE(PFIT_CONTROL, lvds_priv->pfit_control); } +/* Some lid devices report incorrect lid status, assume they're connected */ +static const struct dmi_system_id bad_lid_status[] = { + { + .ident = "Aspire One", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire one"), + }, + }, + { } +}; + /** * Detect the LVDS connection. * - * This always returns CONNECTOR_STATUS_CONNECTED. This connector should only have - * been set up if the LVDS was actually connected anyway. + * Since LVDS doesn't have hotlug, we use the lid as a proxy. Open means + * connected and closed means disconnected. We also send hotplug events as + * needed, using lid status notification from the input layer. */ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector) { - return connector_status_connected; + enum drm_connector_status status = connector_status_connected; + + if (!acpi_lid_open() && !dmi_check_system(bad_lid_status)) + status = connector_status_disconnected; + + return status; } /** @@ -642,6 +656,24 @@ 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() && !dev_priv->suspended) { + mutex_lock(&dev->mode_config.mutex); + drm_helper_resume_force_mode(dev); + mutex_unlock(&dev->mode_config.mutex); + } + + drm_sysfs_hotplug_event(dev_priv->dev); + + return NOTIFY_OK; +} + /** * intel_lvds_destroy - unregister and free LVDS structures * @connector: connector to free @@ -651,10 +683,14 @@ 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); @@ -672,9 +708,8 @@ static int intel_lvds_set_property(struct drm_connector *connector, connector->encoder) { struct drm_crtc *crtc = connector->encoder->crtc; struct intel_lvds_priv *lvds_priv = intel_output->dev_priv; - if (value == DRM_MODE_SCALE_NON_GPU) { - DRM_DEBUG_KMS(I915_LVDS, - "non_GPU property is unsupported\n"); + if (value == DRM_MODE_SCALE_NONE) { + DRM_DEBUG_KMS("no scaling not supported\n"); return 0; } if (lvds_priv->fitting_mode == value) { @@ -731,8 +766,7 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = { static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id) { - DRM_DEBUG_KMS(I915_LVDS, - "Skipping LVDS initialization for %s\n", id->ident); + DRM_DEBUG_KMS("Skipping LVDS initialization for %s\n", id->ident); return 1; } @@ -1023,11 +1057,16 @@ 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; failed: - DRM_DEBUG_KMS(I915_LVDS, "No LVDS modes found, disabling.\n"); + DRM_DEBUG_KMS("No LVDS modes found, disabling.\n"); if (intel_output->ddc_bus) intel_i2c_destroy(intel_output->ddc_bus); drm_connector_cleanup(connector); |