diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 89 |
1 files changed, 27 insertions, 62 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index c2e8a45780d..2b3fa7a3c02 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -56,7 +56,7 @@ static void intel_lvds_set_backlight(struct drm_device *dev, int level) struct drm_i915_private *dev_priv = dev->dev_private; u32 blc_pwm_ctl, reg; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) reg = BLC_PWM_CPU_CTL; else reg = BLC_PWM_CTL; @@ -74,7 +74,7 @@ static u32 intel_lvds_get_max_backlight(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; u32 reg; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) reg = BLC_PWM_PCH_CTL2; else reg = BLC_PWM_CTL; @@ -89,17 +89,22 @@ static u32 intel_lvds_get_max_backlight(struct drm_device *dev) static void intel_lvds_set_power(struct drm_device *dev, bool on) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 pp_status, ctl_reg, status_reg; + u32 pp_status, ctl_reg, status_reg, lvds_reg; - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { ctl_reg = PCH_PP_CONTROL; status_reg = PCH_PP_STATUS; + lvds_reg = PCH_LVDS; } else { ctl_reg = PP_CONTROL; status_reg = PP_STATUS; + lvds_reg = LVDS; } if (on) { + I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN); + POSTING_READ(lvds_reg); + I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON); do { @@ -115,6 +120,9 @@ static void intel_lvds_set_power(struct drm_device *dev, bool on) do { pp_status = I915_READ(status_reg); } while (pp_status & PP_ON); + + I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN); + POSTING_READ(lvds_reg); } } @@ -137,7 +145,7 @@ static void intel_lvds_save(struct drm_connector *connector) u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg; u32 pwm_ctl_reg; - if (IS_IRONLAKE(dev)) { + 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; @@ -174,7 +182,7 @@ static void intel_lvds_restore(struct drm_connector *connector) u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg; u32 pwm_ctl_reg; - if (IS_IRONLAKE(dev)) { + 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; @@ -297,7 +305,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, } /* full screen scale for now */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) goto out; /* 965+ wants fuzzy fitting */ @@ -327,7 +335,7 @@ 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 */ - if (!IS_IRONLAKE(dev)) { + if (!HAS_PCH_SPLIT(dev)) { I915_WRITE(BCLRPAT_A, 0); I915_WRITE(BCLRPAT_B, 0); } @@ -548,7 +556,7 @@ static void intel_lvds_prepare(struct drm_encoder *encoder) struct drm_i915_private *dev_priv = dev->dev_private; u32 reg; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) reg = BLC_PWM_CPU_CTL; else reg = BLC_PWM_CTL; @@ -587,7 +595,7 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder, * settings. */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) return; /* @@ -599,53 +607,6 @@ 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 = "Compaq nx9020", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_BOARD_NAME, "3084"), - }, - }, - { - .ident = "Samsung SX20S", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"), - DMI_MATCH(DMI_BOARD_NAME, "SX20S"), - }, - }, - { - .ident = "Aspire One", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire one"), - }, - }, - { - .ident = "Aspire 1810T", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1810T"), - }, - }, - { - .ident = "PC-81005", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "MALATA"), - DMI_MATCH(DMI_PRODUCT_NAME, "PC-81005"), - }, - }, - { - .ident = "Clevo M5x0N", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."), - DMI_MATCH(DMI_BOARD_NAME, "M5x0N"), - }, - }, - { } -}; - /** * Detect the LVDS connection. * @@ -655,10 +616,14 @@ static const struct dmi_system_id bad_lid_status[] = { */ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector) { + struct drm_device *dev = connector->dev; enum drm_connector_status status = connector_status_connected; - if (!dmi_check_system(bad_lid_status) && !acpi_lid_open()) - status = connector_status_disconnected; + /* ACPI lid methods were generally unreliable in this generation, so + * don't even bother. + */ + if (IS_GEN2(dev) || IS_GEN3(dev)) + return connector_status_connected; return status; } @@ -1020,7 +985,7 @@ void intel_lvds_init(struct drm_device *dev) return; } - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0) return; if (dev_priv->edp_support) { @@ -1123,7 +1088,7 @@ void intel_lvds_init(struct drm_device *dev) */ /* Ironlake: FIXME if still fail, not try pipe mode now */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) goto failed; lvds = I915_READ(LVDS); @@ -1144,7 +1109,7 @@ void intel_lvds_init(struct drm_device *dev) goto failed; out: - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { u32 pwm; /* make sure PWM is enabled */ pwm = I915_READ(BLC_PWM_CPU_CTL2); 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