diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 219 |
1 files changed, 132 insertions, 87 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 99e26034ae8d..adca262d591a 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -232,18 +232,36 @@ struct opregion_asle_ext { #define SWSCI_SBCB_POST_VBE_PM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 19) #define SWSCI_SBCB_ENABLE_DISABLE_AUDIO SWSCI_FUNCTION_CODE(SWSCI_SBCB, 21) -#define ACPI_OTHER_OUTPUT (0<<8) -#define ACPI_VGA_OUTPUT (1<<8) -#define ACPI_TV_OUTPUT (2<<8) -#define ACPI_DIGITAL_OUTPUT (3<<8) -#define ACPI_LVDS_OUTPUT (4<<8) +/* + * ACPI Specification, Revision 5.0, Appendix B.3.2 _DOD (Enumerate All Devices + * Attached to the Display Adapter). + */ +#define ACPI_DISPLAY_INDEX_SHIFT 0 +#define ACPI_DISPLAY_INDEX_MASK (0xf << 0) +#define ACPI_DISPLAY_PORT_ATTACHMENT_SHIFT 4 +#define ACPI_DISPLAY_PORT_ATTACHMENT_MASK (0xf << 4) +#define ACPI_DISPLAY_TYPE_SHIFT 8 +#define ACPI_DISPLAY_TYPE_MASK (0xf << 8) +#define ACPI_DISPLAY_TYPE_OTHER (0 << 8) +#define ACPI_DISPLAY_TYPE_VGA (1 << 8) +#define ACPI_DISPLAY_TYPE_TV (2 << 8) +#define ACPI_DISPLAY_TYPE_EXTERNAL_DIGITAL (3 << 8) +#define ACPI_DISPLAY_TYPE_INTERNAL_DIGITAL (4 << 8) +#define ACPI_VENDOR_SPECIFIC_SHIFT 12 +#define ACPI_VENDOR_SPECIFIC_MASK (0xf << 12) +#define ACPI_BIOS_CAN_DETECT (1 << 16) +#define ACPI_DEPENDS_ON_VGA (1 << 17) +#define ACPI_PIPE_ID_SHIFT 18 +#define ACPI_PIPE_ID_MASK (7 << 18) +#define ACPI_DEVICE_ID_SCHEME (1 << 31) #define MAX_DSLP 1500 -static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) +static int swsci(struct drm_i915_private *dev_priv, + u32 function, u32 parm, u32 *parm_out) { - struct drm_i915_private *dev_priv = dev->dev_private; struct opregion_swsci *swsci = dev_priv->opregion.swsci; + struct pci_dev *pdev = dev_priv->drm.pdev; u32 main_function, sub_function, scic; u16 swsci_val; u32 dslp; @@ -293,16 +311,16 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) swsci->scic = scic; /* Ensure SCI event is selected and event trigger is cleared. */ - pci_read_config_word(dev->pdev, SWSCI, &swsci_val); + pci_read_config_word(pdev, SWSCI, &swsci_val); if (!(swsci_val & SWSCI_SCISEL) || (swsci_val & SWSCI_GSSCIE)) { swsci_val |= SWSCI_SCISEL; swsci_val &= ~SWSCI_GSSCIE; - pci_write_config_word(dev->pdev, SWSCI, swsci_val); + pci_write_config_word(pdev, SWSCI, swsci_val); } /* Use event trigger to tell bios to check the mail. */ swsci_val |= SWSCI_GSSCIE; - pci_write_config_word(dev->pdev, SWSCI, swsci_val); + pci_write_config_word(pdev, SWSCI, swsci_val); /* Poll for the result. */ #define C (((scic = swsci->scic) & SWSCI_SCIC_INDICATOR) == 0) @@ -336,13 +354,13 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable) { - struct drm_device *dev = intel_encoder->base.dev; + struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev); u32 parm = 0; u32 type = 0; u32 port; /* don't care about old stuff for now */ - if (!HAS_DDI(dev)) + if (!HAS_DDI(dev_priv)) return 0; if (intel_encoder->type == INTEL_OUTPUT_DSI) @@ -365,7 +383,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, type = DISPLAY_TYPE_CRT; break; case INTEL_OUTPUT_UNKNOWN: - case INTEL_OUTPUT_DISPLAYPORT: + case INTEL_OUTPUT_DP: case INTEL_OUTPUT_HDMI: case INTEL_OUTPUT_DP_MST: type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL; @@ -382,7 +400,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, parm |= type << (16 + port * 3); - return swsci(dev, SWSCI_SBCB_DISPLAY_POWER_STATE, parm, NULL); + return swsci(dev_priv, SWSCI_SBCB_DISPLAY_POWER_STATE, parm, NULL); } static const struct { @@ -396,27 +414,28 @@ static const struct { { PCI_D3cold, 0x04 }, }; -int intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state) +int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv, + pci_power_t state) { int i; - if (!HAS_DDI(dev)) + if (!HAS_DDI(dev_priv)) return 0; for (i = 0; i < ARRAY_SIZE(power_state_map); i++) { if (state == power_state_map[i].pci_power_state) - return swsci(dev, SWSCI_SBCB_ADAPTER_POWER_STATE, + return swsci(dev_priv, SWSCI_SBCB_ADAPTER_POWER_STATE, power_state_map[i].parm, NULL); } return -EINVAL; } -static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) +static u32 asle_set_backlight(struct drm_i915_private *dev_priv, u32 bclp) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_connector *connector; struct opregion_asle *asle = dev_priv->opregion.asle; + struct drm_device *dev = &dev_priv->drm; DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); @@ -449,7 +468,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) return 0; } -static u32 asle_set_als_illum(struct drm_device *dev, u32 alsi) +static u32 asle_set_als_illum(struct drm_i915_private *dev_priv, u32 alsi) { /* alsi is the current ALS reading in lux. 0 indicates below sensor range, 0xffff indicates above sensor range. 1-0xfffe are valid */ @@ -457,13 +476,13 @@ static u32 asle_set_als_illum(struct drm_device *dev, u32 alsi) return ASLC_ALS_ILLUM_FAILED; } -static u32 asle_set_pwm_freq(struct drm_device *dev, u32 pfmb) +static u32 asle_set_pwm_freq(struct drm_i915_private *dev_priv, u32 pfmb) { DRM_DEBUG_DRIVER("PWM freq is not supported\n"); return ASLC_PWM_FREQ_FAILED; } -static u32 asle_set_pfit(struct drm_device *dev, u32 pfit) +static u32 asle_set_pfit(struct drm_i915_private *dev_priv, u32 pfit) { /* Panel fitting is currently controlled by the X code, so this is a noop until modesetting support works fully */ @@ -471,13 +490,13 @@ static u32 asle_set_pfit(struct drm_device *dev, u32 pfit) return ASLC_PFIT_FAILED; } -static u32 asle_set_supported_rotation_angles(struct drm_device *dev, u32 srot) +static u32 asle_set_supported_rotation_angles(struct drm_i915_private *dev_priv, u32 srot) { DRM_DEBUG_DRIVER("SROT is not supported\n"); return ASLC_ROTATION_ANGLES_FAILED; } -static u32 asle_set_button_array(struct drm_device *dev, u32 iuer) +static u32 asle_set_button_array(struct drm_i915_private *dev_priv, u32 iuer) { if (!iuer) DRM_DEBUG_DRIVER("Button array event is not supported (nothing)\n"); @@ -495,7 +514,7 @@ static u32 asle_set_button_array(struct drm_device *dev, u32 iuer) return ASLC_BUTTON_ARRAY_FAILED; } -static u32 asle_set_convertible(struct drm_device *dev, u32 iuer) +static u32 asle_set_convertible(struct drm_i915_private *dev_priv, u32 iuer) { if (iuer & ASLE_IUER_CONVERTIBLE) DRM_DEBUG_DRIVER("Convertible is not supported (clamshell)\n"); @@ -505,7 +524,7 @@ static u32 asle_set_convertible(struct drm_device *dev, u32 iuer) return ASLC_CONVERTIBLE_FAILED; } -static u32 asle_set_docking(struct drm_device *dev, u32 iuer) +static u32 asle_set_docking(struct drm_i915_private *dev_priv, u32 iuer) { if (iuer & ASLE_IUER_DOCKING) DRM_DEBUG_DRIVER("Docking is not supported (docked)\n"); @@ -515,7 +534,7 @@ static u32 asle_set_docking(struct drm_device *dev, u32 iuer) return ASLC_DOCKING_FAILED; } -static u32 asle_isct_state(struct drm_device *dev) +static u32 asle_isct_state(struct drm_i915_private *dev_priv) { DRM_DEBUG_DRIVER("ISCT is not supported\n"); return ASLC_ISCT_STATE_FAILED; @@ -527,7 +546,6 @@ static void asle_work(struct work_struct *work) container_of(work, struct intel_opregion, asle_work); struct drm_i915_private *dev_priv = container_of(opregion, struct drm_i915_private, opregion); - struct drm_device *dev = dev_priv->dev; struct opregion_asle *asle = dev_priv->opregion.asle; u32 aslc_stat = 0; u32 aslc_req; @@ -544,40 +562,38 @@ static void asle_work(struct work_struct *work) } if (aslc_req & ASLC_SET_ALS_ILLUM) - aslc_stat |= asle_set_als_illum(dev, asle->alsi); + aslc_stat |= asle_set_als_illum(dev_priv, asle->alsi); if (aslc_req & ASLC_SET_BACKLIGHT) - aslc_stat |= asle_set_backlight(dev, asle->bclp); + aslc_stat |= asle_set_backlight(dev_priv, asle->bclp); if (aslc_req & ASLC_SET_PFIT) - aslc_stat |= asle_set_pfit(dev, asle->pfit); + aslc_stat |= asle_set_pfit(dev_priv, asle->pfit); if (aslc_req & ASLC_SET_PWM_FREQ) - aslc_stat |= asle_set_pwm_freq(dev, asle->pfmb); + aslc_stat |= asle_set_pwm_freq(dev_priv, asle->pfmb); if (aslc_req & ASLC_SUPPORTED_ROTATION_ANGLES) - aslc_stat |= asle_set_supported_rotation_angles(dev, + aslc_stat |= asle_set_supported_rotation_angles(dev_priv, asle->srot); if (aslc_req & ASLC_BUTTON_ARRAY) - aslc_stat |= asle_set_button_array(dev, asle->iuer); + aslc_stat |= asle_set_button_array(dev_priv, asle->iuer); if (aslc_req & ASLC_CONVERTIBLE_INDICATOR) - aslc_stat |= asle_set_convertible(dev, asle->iuer); + aslc_stat |= asle_set_convertible(dev_priv, asle->iuer); if (aslc_req & ASLC_DOCKING_INDICATOR) - aslc_stat |= asle_set_docking(dev, asle->iuer); + aslc_stat |= asle_set_docking(dev_priv, asle->iuer); if (aslc_req & ASLC_ISCT_STATE_CHANGE) - aslc_stat |= asle_isct_state(dev); + aslc_stat |= asle_isct_state(dev_priv); asle->aslc = aslc_stat; } -void intel_opregion_asle_intr(struct drm_device *dev) +void intel_opregion_asle_intr(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - if (dev_priv->opregion.asle) schedule_work(&dev_priv->opregion.asle_work); } @@ -658,10 +674,51 @@ static void set_did(struct intel_opregion *opregion, int i, u32 val) } } -static void intel_didl_outputs(struct drm_device *dev) +static u32 acpi_display_type(struct drm_connector *connector) +{ + u32 display_type; + + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_VGA: + case DRM_MODE_CONNECTOR_DVIA: + display_type = ACPI_DISPLAY_TYPE_VGA; + break; + case DRM_MODE_CONNECTOR_Composite: + case DRM_MODE_CONNECTOR_SVIDEO: + case DRM_MODE_CONNECTOR_Component: + case DRM_MODE_CONNECTOR_9PinDIN: + case DRM_MODE_CONNECTOR_TV: + display_type = ACPI_DISPLAY_TYPE_TV; + break; + case DRM_MODE_CONNECTOR_DVII: + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_DisplayPort: + case DRM_MODE_CONNECTOR_HDMIA: + case DRM_MODE_CONNECTOR_HDMIB: + display_type = ACPI_DISPLAY_TYPE_EXTERNAL_DIGITAL; + break; + case DRM_MODE_CONNECTOR_LVDS: + case DRM_MODE_CONNECTOR_eDP: + case DRM_MODE_CONNECTOR_DSI: + display_type = ACPI_DISPLAY_TYPE_INTERNAL_DIGITAL; + break; + case DRM_MODE_CONNECTOR_Unknown: + case DRM_MODE_CONNECTOR_VIRTUAL: + display_type = ACPI_DISPLAY_TYPE_OTHER; + break; + default: + MISSING_CASE(connector->connector_type); + display_type = ACPI_DISPLAY_TYPE_OTHER; + break; + } + + return display_type; +} + +static void intel_didl_outputs(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; + struct pci_dev *pdev = dev_priv->drm.pdev; struct drm_connector *connector; acpi_handle handle; struct acpi_device *acpi_dev, *acpi_cdev, *acpi_video_bus = NULL; @@ -670,7 +727,7 @@ static void intel_didl_outputs(struct drm_device *dev) u32 temp, max_outputs; int i = 0; - handle = ACPI_HANDLE(&dev->pdev->dev); + handle = ACPI_HANDLE(&pdev->dev); if (!handle || acpi_bus_get_device(handle, &acpi_dev)) return; @@ -725,45 +782,25 @@ end: blind_set: i = 0; - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - int output_type = ACPI_OTHER_OUTPUT; + list_for_each_entry(connector, + &dev_priv->drm.mode_config.connector_list, head) { + int display_type = acpi_display_type(connector); + if (i >= max_outputs) { DRM_DEBUG_KMS("More than %u outputs in connector list\n", max_outputs); return; } - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_VGA: - case DRM_MODE_CONNECTOR_DVIA: - output_type = ACPI_VGA_OUTPUT; - break; - case DRM_MODE_CONNECTOR_Composite: - case DRM_MODE_CONNECTOR_SVIDEO: - case DRM_MODE_CONNECTOR_Component: - case DRM_MODE_CONNECTOR_9PinDIN: - output_type = ACPI_TV_OUTPUT; - break; - case DRM_MODE_CONNECTOR_DVII: - case DRM_MODE_CONNECTOR_DVID: - case DRM_MODE_CONNECTOR_DisplayPort: - case DRM_MODE_CONNECTOR_HDMIA: - case DRM_MODE_CONNECTOR_HDMIB: - output_type = ACPI_DIGITAL_OUTPUT; - break; - case DRM_MODE_CONNECTOR_LVDS: - output_type = ACPI_LVDS_OUTPUT; - break; - } + temp = get_did(opregion, i); - set_did(opregion, i, temp | (1 << 31) | output_type | i); + set_did(opregion, i, temp | (1 << 31) | display_type | i); i++; } goto end; } -static void intel_setup_cadls(struct drm_device *dev) +static void intel_setup_cadls(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; int i = 0; u32 disp_id; @@ -780,17 +817,16 @@ static void intel_setup_cadls(struct drm_device *dev) } while (++i < 8 && disp_id != 0); } -void intel_opregion_init(struct drm_device *dev) +void intel_opregion_register(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; if (!opregion->header) return; if (opregion->acpi) { - intel_didl_outputs(dev); - intel_setup_cadls(dev); + intel_didl_outputs(dev_priv); + intel_setup_cadls(dev_priv); /* Notify BIOS we are ready to handle ACPI video ext notifs. * Right now, all the events are handled by the ACPI video module. @@ -808,9 +844,8 @@ void intel_opregion_init(struct drm_device *dev) } } -void intel_opregion_fini(struct drm_device *dev) +void intel_opregion_unregister(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; if (!opregion->header) @@ -842,9 +877,8 @@ void intel_opregion_fini(struct drm_device *dev) opregion->lid_state = NULL; } -static void swsci_setup(struct drm_device *dev) +static void swsci_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; bool requested_callbacks = false; u32 tmp; @@ -854,7 +888,7 @@ static void swsci_setup(struct drm_device *dev) opregion->swsci_sbcb_sub_functions = 1; /* We use GBDA to ask for supported GBDA calls. */ - if (swsci(dev, SWSCI_GBDA_SUPPORTED_CALLS, 0, &tmp) == 0) { + if (swsci(dev_priv, SWSCI_GBDA_SUPPORTED_CALLS, 0, &tmp) == 0) { /* make the bits match the sub-function codes */ tmp <<= 1; opregion->swsci_gbda_sub_functions |= tmp; @@ -865,7 +899,7 @@ static void swsci_setup(struct drm_device *dev) * must not call interfaces that are not specifically requested by the * bios. */ - if (swsci(dev, SWSCI_GBDA_REQUESTED_CALLBACKS, 0, &tmp) == 0) { + if (swsci(dev_priv, SWSCI_GBDA_REQUESTED_CALLBACKS, 0, &tmp) == 0) { /* here, the bits already match sub-function codes */ opregion->swsci_sbcb_sub_functions |= tmp; requested_callbacks = true; @@ -876,7 +910,7 @@ static void swsci_setup(struct drm_device *dev) * the callback is _requested_. But we still can't call interfaces that * are not requested. */ - if (swsci(dev, SWSCI_SBCB_SUPPORTED_CALLBACKS, 0, &tmp) == 0) { + if (swsci(dev_priv, SWSCI_SBCB_SUPPORTED_CALLBACKS, 0, &tmp) == 0) { /* make the bits match the sub-function codes */ u32 low = tmp & 0x7ff; u32 high = tmp & ~0xfff; /* bit 11 is reserved */ @@ -918,10 +952,10 @@ static const struct dmi_system_id intel_no_opregion_vbt[] = { { } }; -int intel_opregion_setup(struct drm_device *dev) +int intel_opregion_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; + struct pci_dev *pdev = dev_priv->drm.pdev; u32 asls, mboxes; char buf[sizeof(OPREGION_SIGNATURE)]; int err = 0; @@ -933,7 +967,7 @@ int intel_opregion_setup(struct drm_device *dev) BUILD_BUG_ON(sizeof(struct opregion_asle) != 0x100); BUILD_BUG_ON(sizeof(struct opregion_asle_ext) != 0x400); - pci_read_config_dword(dev->pdev, ASLS, &asls); + pci_read_config_dword(pdev, ASLS, &asls); DRM_DEBUG_DRIVER("graphic opregion physical addr: 0x%x\n", asls); if (asls == 0) { DRM_DEBUG_DRIVER("ACPI OpRegion not supported!\n"); @@ -965,7 +999,7 @@ int intel_opregion_setup(struct drm_device *dev) if (mboxes & MBOX_SWSCI) { DRM_DEBUG_DRIVER("SWSCI supported\n"); opregion->swsci = base + OPREGION_SWSCI_OFFSET; - swsci_setup(dev); + swsci_setup(dev_priv); } if (mboxes & MBOX_ASLE) { @@ -1014,12 +1048,12 @@ err_out: } int -intel_opregion_get_panel_type(struct drm_device *dev) +intel_opregion_get_panel_type(struct drm_i915_private *dev_priv) { u32 panel_details; int ret; - ret = swsci(dev, SWSCI_GBDA_PANEL_DETAILS, 0x0, &panel_details); + ret = swsci(dev_priv, SWSCI_GBDA_PANEL_DETAILS, 0x0, &panel_details); if (ret) { DRM_DEBUG_KMS("Failed to get panel details from OpRegion (%d)\n", ret); @@ -1038,5 +1072,16 @@ intel_opregion_get_panel_type(struct drm_device *dev) return -ENODEV; } + /* + * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us + * low vswing for eDP, whereas the VBT panel type (2) gives us normal + * vswing instead. Low vswing results in some display flickers, so + * let's simply ignore the OpRegion panel type on SKL for now. + */ + if (IS_SKYLAKE(dev_priv)) { + DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1); + return -ENODEV; + } + return ret - 1; } |