diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 227 |
1 files changed, 124 insertions, 103 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index edba93b3474b..b9a660a53677 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -40,28 +40,30 @@ #include <linux/acpi.h> /* Private structure for the integrated LVDS support */ -struct intel_lvds { - struct intel_encoder base; +struct intel_lvds_connector { + struct intel_connector base; - struct edid *edid; + struct notifier_block lid_notifier; +}; + +struct intel_lvds_encoder { + struct intel_encoder base; - int fitting_mode; u32 pfit_control; u32 pfit_pgm_ratios; bool pfit_dirty; - struct drm_display_mode *fixed_mode; + struct intel_lvds_connector *attached_connector; }; -static struct intel_lvds *to_intel_lvds(struct drm_encoder *encoder) +static struct intel_lvds_encoder *to_lvds_encoder(struct drm_encoder *encoder) { - return container_of(encoder, struct intel_lvds, base.base); + return container_of(encoder, struct intel_lvds_encoder, base.base); } -static struct intel_lvds *intel_attached_lvds(struct drm_connector *connector) +static struct intel_lvds_connector *to_lvds_connector(struct drm_connector *connector) { - return container_of(intel_attached_encoder(connector), - struct intel_lvds, base); + return container_of(connector, struct intel_lvds_connector, base.base); } static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, @@ -96,7 +98,7 @@ static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, static void intel_enable_lvds(struct intel_encoder *encoder) { struct drm_device *dev = encoder->base.dev; - struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base); + struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); struct drm_i915_private *dev_priv = dev->dev_private; u32 ctl_reg, lvds_reg, stat_reg; @@ -113,7 +115,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder) I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN); - if (intel_lvds->pfit_dirty) { + if (lvds_encoder->pfit_dirty) { /* * Enable automatic panel scaling so that non-native modes * fill the screen. The panel fitter should only be @@ -121,12 +123,12 @@ static void intel_enable_lvds(struct intel_encoder *encoder) * register description and PRM. */ DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n", - intel_lvds->pfit_control, - intel_lvds->pfit_pgm_ratios); + lvds_encoder->pfit_control, + lvds_encoder->pfit_pgm_ratios); - I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios); - I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control); - intel_lvds->pfit_dirty = false; + I915_WRITE(PFIT_PGM_RATIOS, lvds_encoder->pfit_pgm_ratios); + I915_WRITE(PFIT_CONTROL, lvds_encoder->pfit_control); + lvds_encoder->pfit_dirty = false; } I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON); @@ -140,7 +142,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder) static void intel_disable_lvds(struct intel_encoder *encoder) { struct drm_device *dev = encoder->base.dev; - struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base); + struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); struct drm_i915_private *dev_priv = dev->dev_private; u32 ctl_reg, lvds_reg, stat_reg; @@ -160,9 +162,9 @@ static void intel_disable_lvds(struct intel_encoder *encoder) if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000)) DRM_ERROR("timed out waiting for panel to power off\n"); - if (intel_lvds->pfit_control) { + if (lvds_encoder->pfit_control) { I915_WRITE(PFIT_CONTROL, 0); - intel_lvds->pfit_dirty = true; + lvds_encoder->pfit_dirty = true; } I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN); @@ -172,8 +174,8 @@ static void intel_disable_lvds(struct intel_encoder *encoder) static int intel_lvds_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - struct intel_lvds *intel_lvds = intel_attached_lvds(connector); - struct drm_display_mode *fixed_mode = intel_lvds->fixed_mode; + struct intel_connector *intel_connector = to_intel_connector(connector); + struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; if (mode->hdisplay > fixed_mode->hdisplay) return MODE_PANEL; @@ -249,8 +251,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, { struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_lvds *intel_lvds = to_intel_lvds(encoder); - struct intel_crtc *intel_crtc = intel_lvds->base.new_crtc; + struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(encoder); + struct intel_connector *intel_connector = + &lvds_encoder->attached_connector->base; + struct intel_crtc *intel_crtc = lvds_encoder->base.new_crtc; u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0; int pipe; @@ -260,7 +264,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, return false; } - if (intel_encoder_check_is_cloned(&intel_lvds->base)) + if (intel_encoder_check_is_cloned(&lvds_encoder->base)) return false; /* @@ -269,10 +273,12 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, * with the panel scaling set up to source from the H/VDisplay * of the original mode. */ - intel_fixed_panel_mode(intel_lvds->fixed_mode, adjusted_mode); + intel_fixed_panel_mode(intel_connector->panel.fixed_mode, + adjusted_mode); if (HAS_PCH_SPLIT(dev)) { - intel_pch_panel_fitting(dev, intel_lvds->fitting_mode, + intel_pch_panel_fitting(dev, + intel_connector->panel.fitting_mode, mode, adjusted_mode); return true; } @@ -298,7 +304,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, drm_mode_set_crtcinfo(adjusted_mode, 0); - switch (intel_lvds->fitting_mode) { + switch (intel_connector->panel.fitting_mode) { case DRM_MODE_SCALE_CENTER: /* * For centered modes, we have to calculate border widths & @@ -396,11 +402,11 @@ out: if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither) pfit_control |= PANEL_8TO6_DITHER_ENABLE; - if (pfit_control != intel_lvds->pfit_control || - pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) { - intel_lvds->pfit_control = pfit_control; - intel_lvds->pfit_pgm_ratios = pfit_pgm_ratios; - intel_lvds->pfit_dirty = true; + if (pfit_control != lvds_encoder->pfit_control || + pfit_pgm_ratios != lvds_encoder->pfit_pgm_ratios) { + lvds_encoder->pfit_control = pfit_control; + lvds_encoder->pfit_pgm_ratios = pfit_pgm_ratios; + lvds_encoder->pfit_dirty = true; } dev_priv->lvds_border_bits = border; @@ -449,14 +455,15 @@ intel_lvds_detect(struct drm_connector *connector, bool force) */ static int intel_lvds_get_modes(struct drm_connector *connector) { - struct intel_lvds *intel_lvds = intel_attached_lvds(connector); + struct intel_lvds_connector *lvds_connector = to_lvds_connector(connector); struct drm_device *dev = connector->dev; struct drm_display_mode *mode; - if (intel_lvds->edid) - return drm_add_edid_modes(connector, intel_lvds->edid); + /* use cached edid if we have one */ + if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) + return drm_add_edid_modes(connector, lvds_connector->base.edid); - mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode); + mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode); if (mode == NULL) return 0; @@ -496,10 +503,11 @@ static const struct dmi_system_id intel_no_modeset_on_lid[] = { 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; - struct drm_connector *connector = dev_priv->int_lvds_connector; + struct intel_lvds_connector *lvds_connector = + 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; @@ -508,9 +516,7 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, * check and update the status of LVDS connector after receiving * the LID nofication event. */ - if (connector) - connector->status = connector->funcs->detect(connector, - false); + 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)) @@ -526,7 +532,7 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, dev_priv->modeset_on_lid = 0; mutex_lock(&dev->mode_config.mutex); - intel_modeset_check_state(dev); + intel_modeset_setup_hw_state(dev, true); mutex_unlock(&dev->mode_config.mutex); return NOTIFY_OK; @@ -541,13 +547,18 @@ 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 drm_i915_private *dev_priv = dev->dev_private; + struct intel_lvds_connector *lvds_connector = + to_lvds_connector(connector); - intel_panel_destroy_backlight(dev); + if (lvds_connector->lid_notifier.notifier_call) + acpi_lid_notifier_unregister(&lvds_connector->lid_notifier); + + if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) + kfree(lvds_connector->base.edid); + + intel_panel_destroy_backlight(connector->dev); + intel_panel_fini(&lvds_connector->base.panel); - 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); @@ -557,22 +568,24 @@ static int intel_lvds_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t value) { - struct intel_lvds *intel_lvds = intel_attached_lvds(connector); + struct intel_connector *intel_connector = to_intel_connector(connector); struct drm_device *dev = connector->dev; if (property == dev->mode_config.scaling_mode_property) { - struct drm_crtc *crtc = intel_lvds->base.base.crtc; + struct drm_crtc *crtc; if (value == DRM_MODE_SCALE_NONE) { DRM_DEBUG_KMS("no scaling not supported\n"); return -EINVAL; } - if (intel_lvds->fitting_mode == value) { + if (intel_connector->panel.fitting_mode == value) { /* the LVDS scaling property is not changed */ return 0; } - intel_lvds->fitting_mode = value; + intel_connector->panel.fitting_mode = value; + + crtc = intel_attached_encoder(connector)->base.crtc; if (crtc && crtc->enabled) { /* * If the CRTC is enabled, the display will be changed @@ -912,12 +925,15 @@ static bool intel_lvds_supported(struct drm_device *dev) bool intel_lvds_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_lvds *intel_lvds; + struct intel_lvds_encoder *lvds_encoder; struct intel_encoder *intel_encoder; + struct intel_lvds_connector *lvds_connector; struct intel_connector *intel_connector; struct drm_connector *connector; struct drm_encoder *encoder; struct drm_display_mode *scan; /* *modes, *bios_mode; */ + struct drm_display_mode *fixed_mode = NULL; + struct edid *edid; struct drm_crtc *crtc; u32 lvds; int pipe; @@ -945,23 +961,25 @@ bool intel_lvds_init(struct drm_device *dev) } } - intel_lvds = kzalloc(sizeof(struct intel_lvds), GFP_KERNEL); - if (!intel_lvds) { + lvds_encoder = kzalloc(sizeof(struct intel_lvds_encoder), GFP_KERNEL); + if (!lvds_encoder) return false; - } - intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); - if (!intel_connector) { - kfree(intel_lvds); + lvds_connector = kzalloc(sizeof(struct intel_lvds_connector), GFP_KERNEL); + if (!lvds_connector) { + kfree(lvds_encoder); return false; } + lvds_encoder->attached_connector = lvds_connector; + if (!HAS_PCH_SPLIT(dev)) { - intel_lvds->pfit_control = I915_READ(PFIT_CONTROL); + lvds_encoder->pfit_control = I915_READ(PFIT_CONTROL); } - intel_encoder = &intel_lvds->base; + intel_encoder = &lvds_encoder->base; encoder = &intel_encoder->base; + intel_connector = &lvds_connector->base; connector = &intel_connector->base; drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs, DRM_MODE_CONNECTOR_LVDS); @@ -993,14 +1011,10 @@ bool intel_lvds_init(struct drm_device *dev) /* create the scaling mode property */ drm_mode_create_scaling_mode_property(dev); - /* - * the initial panel fitting mode will be FULL_SCREEN. - */ - - drm_connector_attach_property(&intel_connector->base, + drm_object_attach_property(&connector->base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_ASPECT); - intel_lvds->fitting_mode = DRM_MODE_SCALE_ASPECT; + intel_connector->panel.fitting_mode = DRM_MODE_SCALE_ASPECT; /* * LVDS discovery: * 1) check for EDID on DDC @@ -1015,20 +1029,21 @@ bool intel_lvds_init(struct drm_device *dev) * Attempt to get the fixed panel mode from DDC. Assume that the * preferred mode is the right one. */ - intel_lvds->edid = drm_get_edid(connector, - intel_gmbus_get_adapter(dev_priv, - pin)); - if (intel_lvds->edid) { - if (drm_add_edid_modes(connector, - intel_lvds->edid)) { + edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin)); + if (edid) { + if (drm_add_edid_modes(connector, edid)) { drm_mode_connector_update_edid_property(connector, - intel_lvds->edid); + edid); } else { - kfree(intel_lvds->edid); - intel_lvds->edid = NULL; + kfree(edid); + edid = ERR_PTR(-EINVAL); } + } else { + edid = ERR_PTR(-ENOENT); } - if (!intel_lvds->edid) { + lvds_connector->base.edid = edid; + + if (IS_ERR_OR_NULL(edid)) { /* Didn't get an EDID, so * Set wide sync ranges so we get all modes * handed to valid_mode for checking @@ -1041,22 +1056,26 @@ bool intel_lvds_init(struct drm_device *dev) list_for_each_entry(scan, &connector->probed_modes, head) { if (scan->type & DRM_MODE_TYPE_PREFERRED) { - intel_lvds->fixed_mode = - drm_mode_duplicate(dev, scan); - intel_find_lvds_downclock(dev, - intel_lvds->fixed_mode, - connector); - goto out; + DRM_DEBUG_KMS("using preferred mode from EDID: "); + drm_mode_debug_printmodeline(scan); + + fixed_mode = drm_mode_duplicate(dev, scan); + if (fixed_mode) { + intel_find_lvds_downclock(dev, fixed_mode, + connector); + goto out; + } } } /* Failed to get EDID, what about VBT? */ if (dev_priv->lfp_lvds_vbt_mode) { - intel_lvds->fixed_mode = - drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); - if (intel_lvds->fixed_mode) { - intel_lvds->fixed_mode->type |= - DRM_MODE_TYPE_PREFERRED; + DRM_DEBUG_KMS("using mode from VBT: "); + drm_mode_debug_printmodeline(dev_priv->lfp_lvds_vbt_mode); + + fixed_mode = drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); + if (fixed_mode) { + fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; goto out; } } @@ -1076,16 +1095,17 @@ bool intel_lvds_init(struct drm_device *dev) crtc = intel_get_crtc_for_pipe(dev, pipe); if (crtc && (lvds & LVDS_PORT_EN)) { - intel_lvds->fixed_mode = intel_crtc_mode_get(dev, crtc); - if (intel_lvds->fixed_mode) { - intel_lvds->fixed_mode->type |= - DRM_MODE_TYPE_PREFERRED; + fixed_mode = intel_crtc_mode_get(dev, crtc); + if (fixed_mode) { + DRM_DEBUG_KMS("using current (BIOS) mode: "); + drm_mode_debug_printmodeline(fixed_mode); + fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; goto out; } } /* If we still don't have a mode after all that, give up. */ - if (!intel_lvds->fixed_mode) + if (!fixed_mode) goto failed; out: @@ -1100,16 +1120,15 @@ out: I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS); } - dev_priv->lid_notifier.notifier_call = intel_lid_notify; - if (acpi_lid_notifier_register(&dev_priv->lid_notifier)) { + lvds_connector->lid_notifier.notifier_call = intel_lid_notify; + if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) { DRM_DEBUG_KMS("lid notifier registration failed\n"); - dev_priv->lid_notifier.notifier_call = NULL; + lvds_connector->lid_notifier.notifier_call = NULL; } - /* keep the LVDS connector */ - dev_priv->int_lvds_connector = connector; drm_sysfs_connector_add(connector); - intel_panel_setup_backlight(dev); + intel_panel_init(&intel_connector->panel, fixed_mode); + intel_panel_setup_backlight(connector); return true; @@ -1117,7 +1136,9 @@ failed: DRM_DEBUG_KMS("No LVDS modes found, disabling.\n"); drm_connector_cleanup(connector); drm_encoder_cleanup(encoder); - kfree(intel_lvds); - kfree(intel_connector); + if (fixed_mode) + drm_mode_destroy(dev, fixed_mode); + kfree(lvds_encoder); + kfree(lvds_connector); return false; } |