diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 138 |
1 files changed, 52 insertions, 86 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index b66806a37d37..0eab8df5bf7e 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -139,75 +139,6 @@ static void intel_lvds_dpms(struct drm_encoder *encoder, int mode) /* XXX: We never power down the LVDS pairs. */ } -static void intel_lvds_save(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg; - u32 pwm_ctl_reg; - - if (HAS_PCH_SPLIT(dev)) { - pp_on_reg = PCH_PP_ON_DELAYS; - pp_off_reg = PCH_PP_OFF_DELAYS; - pp_ctl_reg = PCH_PP_CONTROL; - pp_div_reg = PCH_PP_DIVISOR; - pwm_ctl_reg = BLC_PWM_CPU_CTL; - } else { - pp_on_reg = PP_ON_DELAYS; - pp_off_reg = PP_OFF_DELAYS; - pp_ctl_reg = PP_CONTROL; - pp_div_reg = PP_DIVISOR; - pwm_ctl_reg = BLC_PWM_CTL; - } - - dev_priv->savePP_ON = I915_READ(pp_on_reg); - dev_priv->savePP_OFF = I915_READ(pp_off_reg); - dev_priv->savePP_CONTROL = I915_READ(pp_ctl_reg); - dev_priv->savePP_DIVISOR = I915_READ(pp_div_reg); - dev_priv->saveBLC_PWM_CTL = I915_READ(pwm_ctl_reg); - dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL & - BACKLIGHT_DUTY_CYCLE_MASK); - - /* - * If the light is off at server startup, just make it full brightness - */ - if (dev_priv->backlight_duty_cycle == 0) - dev_priv->backlight_duty_cycle = - intel_lvds_get_max_backlight(dev); -} - -static void intel_lvds_restore(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg; - u32 pwm_ctl_reg; - - if (HAS_PCH_SPLIT(dev)) { - pp_on_reg = PCH_PP_ON_DELAYS; - pp_off_reg = PCH_PP_OFF_DELAYS; - pp_ctl_reg = PCH_PP_CONTROL; - pp_div_reg = PCH_PP_DIVISOR; - pwm_ctl_reg = BLC_PWM_CPU_CTL; - } else { - pp_on_reg = PP_ON_DELAYS; - pp_off_reg = PP_OFF_DELAYS; - pp_ctl_reg = PP_CONTROL; - pp_div_reg = PP_DIVISOR; - pwm_ctl_reg = BLC_PWM_CTL; - } - - I915_WRITE(pwm_ctl_reg, dev_priv->saveBLC_PWM_CTL); - I915_WRITE(pp_on_reg, dev_priv->savePP_ON); - I915_WRITE(pp_off_reg, dev_priv->savePP_OFF); - I915_WRITE(pp_div_reg, dev_priv->savePP_DIVISOR); - I915_WRITE(pp_ctl_reg, dev_priv->savePP_CONTROL); - if (dev_priv->savePP_CONTROL & POWER_TARGET_ON) - intel_lvds_set_power(dev, true); - else - intel_lvds_set_power(dev, false); -} - static int intel_lvds_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { @@ -635,12 +566,13 @@ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connect static int intel_lvds_get_modes(struct drm_connector *connector) { struct drm_device *dev = connector->dev; - struct intel_encoder *intel_encoder = to_intel_encoder(connector); + struct drm_encoder *encoder = intel_attached_encoder(connector); + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); struct drm_i915_private *dev_priv = dev->dev_private; int ret = 0; if (dev_priv->lvds_edid_good) { - ret = intel_ddc_get_modes(intel_encoder); + ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (ret) return ret; @@ -667,6 +599,26 @@ static int intel_lvds_get_modes(struct drm_connector *connector) return 0; } +static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG_KMS("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 @@ -690,6 +642,9 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, */ if (connector) connector->status = connector->funcs->detect(connector); + /* 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; @@ -717,11 +672,8 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, static void intel_lvds_destroy(struct drm_connector *connector) { struct drm_device *dev = connector->dev; - struct intel_encoder *intel_encoder = to_intel_encoder(connector); struct drm_i915_private *dev_priv = dev->dev_private; - if (intel_encoder->ddc_bus) - intel_i2c_destroy(intel_encoder->ddc_bus); if (dev_priv->lid_notifier.notifier_call) acpi_lid_notifier_unregister(&dev_priv->lid_notifier); drm_sysfs_connector_remove(connector); @@ -734,13 +686,14 @@ static int intel_lvds_set_property(struct drm_connector *connector, uint64_t value) { struct drm_device *dev = connector->dev; - struct intel_encoder *intel_encoder = - to_intel_encoder(connector); if (property == dev->mode_config.scaling_mode_property && connector->encoder) { struct drm_crtc *crtc = connector->encoder->crtc; + struct drm_encoder *encoder = connector->encoder; + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv; + if (value == DRM_MODE_SCALE_NONE) { DRM_DEBUG_KMS("no scaling not supported\n"); return 0; @@ -774,13 +727,11 @@ static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = { static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = { .get_modes = intel_lvds_get_modes, .mode_valid = intel_lvds_mode_valid, - .best_encoder = intel_best_encoder, + .best_encoder = intel_attached_encoder, }; static const struct drm_connector_funcs intel_lvds_connector_funcs = { .dpms = drm_helper_connector_dpms, - .save = intel_lvds_save, - .restore = intel_lvds_restore, .detect = intel_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = intel_lvds_set_property, @@ -790,7 +741,12 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = { static void intel_lvds_enc_destroy(struct drm_encoder *encoder) { + struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + + if (intel_encoder->ddc_bus) + intel_i2c_destroy(intel_encoder->ddc_bus); drm_encoder_cleanup(encoder); + kfree(intel_encoder); } static const struct drm_encoder_funcs intel_lvds_enc_funcs = { @@ -979,6 +935,7 @@ void intel_lvds_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_encoder *intel_encoder; + struct intel_connector *intel_connector; struct drm_connector *connector; struct drm_encoder *encoder; struct drm_display_mode *scan; /* *modes, *bios_mode; */ @@ -1012,19 +969,27 @@ void intel_lvds_init(struct drm_device *dev) return; } - connector = &intel_encoder->base; + intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); + if (!intel_connector) { + kfree(intel_encoder); + return; + } + + connector = &intel_connector->base; encoder = &intel_encoder->enc; - drm_connector_init(dev, &intel_encoder->base, &intel_lvds_connector_funcs, + drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs, DRM_MODE_CONNECTOR_LVDS); drm_encoder_init(dev, &intel_encoder->enc, &intel_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS); - drm_mode_connector_attach_encoder(&intel_encoder->base, &intel_encoder->enc); + drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc); intel_encoder->type = INTEL_OUTPUT_LVDS; intel_encoder->clone_mask = (1 << INTEL_LVDS_CLONE_BIT); intel_encoder->crtc_mask = (1 << 1); + if (IS_I965G(dev)) + intel_encoder->crtc_mask |= (1 << 0); drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs); drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); connector->display_info.subpixel_order = SubPixelHorizontalRGB; @@ -1039,10 +1004,10 @@ void intel_lvds_init(struct drm_device *dev) * the initial panel fitting mode will be FULL_SCREEN. */ - drm_connector_attach_property(&intel_encoder->base, + drm_connector_attach_property(&intel_connector->base, dev->mode_config.scaling_mode_property, - DRM_MODE_SCALE_FULLSCREEN); - lvds_priv->fitting_mode = DRM_MODE_SCALE_FULLSCREEN; + DRM_MODE_SCALE_ASPECT); + lvds_priv->fitting_mode = DRM_MODE_SCALE_ASPECT; /* * LVDS discovery: * 1) check for EDID on DDC @@ -1067,7 +1032,7 @@ void intel_lvds_init(struct drm_device *dev) */ dev_priv->lvds_edid_good = true; - if (!intel_ddc_get_modes(intel_encoder)) + if (!intel_ddc_get_modes(connector, intel_encoder->ddc_bus)) dev_priv->lvds_edid_good = false; list_for_each_entry(scan, &connector->probed_modes, head) { @@ -1151,4 +1116,5 @@ failed: drm_connector_cleanup(connector); drm_encoder_cleanup(encoder); kfree(intel_encoder); + kfree(intel_connector); } |