diff options
Diffstat (limited to 'modules/hardware/t100ha/backlight.patch')
| -rw-r--r-- | modules/hardware/t100ha/backlight.patch | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/modules/hardware/t100ha/backlight.patch b/modules/hardware/t100ha/backlight.patch deleted file mode 100644 index a83d6659..00000000 --- a/modules/hardware/t100ha/backlight.patch +++ /dev/null @@ -1,223 +0,0 @@ -diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c -index fc0ef492252a..f9bf7290a2bb 100644 ---- a/drivers/gpu/drm/i915/intel_dsi.c -+++ b/drivers/gpu/drm/i915/intel_dsi.c -@@ -644,6 +644,7 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder) - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); -+ struct intel_connector *intel_connector = intel_dsi->attached_connector; - enum port port; - - if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) { -@@ -665,6 +666,8 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder) - } - } - -+ intel_panel_disable_backlight(intel_connector); -+ - for_each_dsi_port(port, intel_dsi->ports) { - i915_reg_t port_ctrl = IS_GEN9_LP(dev_priv) ? - BXT_MIPI_PORT_CTRL(port) : MIPI_PORT_CTRL(port); -@@ -1635,6 +1638,7 @@ static void intel_dsi_connector_destroy(struct drm_connector *connector) - - DRM_DEBUG_KMS("\n"); - intel_panel_fini(&intel_connector->panel); -+ intel_panel_destroy_backlight(connector); - drm_connector_cleanup(connector); - kfree(connector); - } -diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c -index cb50c527401f..0dae84db6303 100644 ---- a/drivers/gpu/drm/i915/intel_panel.c -+++ b/drivers/gpu/drm/i915/intel_panel.c -@@ -32,6 +32,7 @@ - - #include <linux/kernel.h> - #include <linux/moduleparam.h> -+#include <linux/mfd/intel_soc_pmic.h> - #include <linux/pwm.h> - #include "intel_drv.h" - -@@ -542,6 +543,11 @@ static u32 pwm_get_backlight(struct intel_connector *connector) - return DIV_ROUND_UP(duty_ns * 100, CRC_PMIC_PWM_PERIOD_NS); - } - -+static u32 vlv_pmic_get_backlight(struct intel_connector *connector) -+{ -+ return intel_soc_pmic_readb(0x4E); -+} -+ - static u32 intel_panel_get_backlight(struct intel_connector *connector) - { - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); -@@ -633,6 +639,11 @@ static void pwm_set_backlight(struct intel_connector *connector, u32 level) - pwm_config(panel->backlight.pwm, duty_ns, CRC_PMIC_PWM_PERIOD_NS); - } - -+static void vlv_pmic_set_backlight(struct intel_connector *connector, u32 level) -+{ -+ intel_soc_pmic_writeb(0x4E, level); -+} -+ - static void - intel_panel_actually_set_backlight(struct intel_connector *connector, u32 level) - { -@@ -806,6 +817,14 @@ static void pwm_disable_backlight(struct intel_connector *connector) - pwm_disable(panel->backlight.pwm); - } - -+static void vlv_pmic_disable_backlight(struct intel_connector *connector) -+{ -+ intel_panel_actually_set_backlight(connector, 0); -+ -+ intel_soc_pmic_writeb(0x51, 0x00); -+ intel_soc_pmic_writeb(0x4B, 0x7F); -+} -+ - void intel_panel_disable_backlight(struct intel_connector *connector) - { - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); -@@ -1084,6 +1103,17 @@ static void pwm_enable_backlight(struct intel_connector *connector) - intel_panel_actually_set_backlight(connector, panel->backlight.level); - } - -+static void vlv_pmic_enable_backlight(struct intel_connector *connector) -+{ -+ struct intel_panel *panel = &connector->panel; -+ -+ intel_soc_pmic_writeb(0x4B, 0xFF); -+ intel_soc_pmic_writeb(0x4E, 0xFF); -+ intel_soc_pmic_writeb(0x51, 0x01); -+ -+ intel_panel_actually_set_backlight(connector, panel->backlight.level); -+} -+ - void intel_panel_enable_backlight(struct intel_connector *connector) - { - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); -@@ -1673,6 +1703,20 @@ static int pwm_setup_backlight(struct intel_connector *connector, - return 0; - } - -+static int vlv_pmic_setup_backlight(struct intel_connector *connector, -+ enum pipe unused) -+{ -+ struct intel_panel *panel = &connector->panel; -+ -+ panel->backlight.present = 1; -+ panel->backlight.min = 0x00; -+ panel->backlight.max = 0xFF; -+ panel->backlight.level = 0x5A; -+ panel->backlight.enabled = 1; -+ -+ return 0; -+} -+ - int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe) - { - struct drm_i915_private *dev_priv = to_i915(connector->dev); -@@ -1680,6 +1724,8 @@ int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe) - struct intel_panel *panel = &intel_connector->panel; - int ret; - -+ intel_backlight_device_register(intel_connector); -+ - if (!dev_priv->vbt.backlight.present) { - if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) { - DRM_DEBUG_KMS("no backlight present per VBT, but present per quirk\n"); -@@ -1769,18 +1815,17 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel) - panel->backlight.hz_to_pwm = pch_hz_to_pwm; - } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) { -- panel->backlight.setup = pwm_setup_backlight; -- panel->backlight.enable = pwm_enable_backlight; -- panel->backlight.disable = pwm_disable_backlight; -- panel->backlight.set = pwm_set_backlight; -- panel->backlight.get = pwm_get_backlight; -+ panel->backlight.setup = vlv_pmic_setup_backlight; -+ panel->backlight.enable = vlv_pmic_enable_backlight; -+ panel->backlight.disable = vlv_pmic_disable_backlight; -+ panel->backlight.set = vlv_pmic_set_backlight; -+ panel->backlight.get = vlv_pmic_get_backlight; - } else { - panel->backlight.setup = vlv_setup_backlight; - panel->backlight.enable = vlv_enable_backlight; - panel->backlight.disable = vlv_disable_backlight; - panel->backlight.set = vlv_set_backlight; - panel->backlight.get = vlv_get_backlight; -- panel->backlight.hz_to_pwm = vlv_hz_to_pwm; - } - } else if (IS_GEN4(dev_priv)) { - panel->backlight.setup = i965_setup_backlight; -diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c -index 13737be6df35..60880fdbdccf 100644 ---- a/drivers/mfd/intel_soc_pmic_core.c -+++ b/drivers/mfd/intel_soc_pmic_core.c -@@ -44,6 +44,8 @@ static struct pwm_lookup crc_pwm_lookup[] = { - PWM_LOOKUP("crystal_cove_pwm", 0, "0000:00:02.0", "pwm_backlight", 0, PWM_POLARITY_NORMAL), - }; - -+static struct intel_soc_pmic *pmic_hack = NULL; -+ - static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *i2c_id) - { -@@ -60,6 +62,7 @@ static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c, - config = (struct intel_soc_pmic_config *)id->driver_data; - - pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL); -+ pmic_hack = pmic; - if (!pmic) - return -ENOMEM; - -@@ -147,6 +150,37 @@ static int intel_soc_pmic_resume(struct device *dev) - } - #endif - -+int intel_soc_pmic_readb(int reg) -+{ -+ int ret; -+ unsigned int val; -+ -+ if (!pmic_hack) { -+ ret = -EIO; -+ } else { -+ ret = regmap_read(pmic_hack->regmap, reg, &val); -+ if (!ret) { -+ ret = val; -+ } -+ } -+ -+ return ret; -+} -+EXPORT_SYMBOL(intel_soc_pmic_readb); -+ -+int intel_soc_pmic_writeb(int reg, u8 val) -+{ -+ int ret; -+ -+ if (!pmic_hack) { -+ ret = -EIO; -+ } else { -+ ret = regmap_write(pmic_hack->regmap, reg, val); -+ } -+ return ret; -+} -+EXPORT_SYMBOL(intel_soc_pmic_writeb); -+ - static SIMPLE_DEV_PM_OPS(intel_soc_pmic_pm_ops, intel_soc_pmic_suspend, - intel_soc_pmic_resume); - -diff --git a/include/linux/mfd/intel_soc_pmic.h b/include/linux/mfd/intel_soc_pmic.h -index 956caa0628f5..2adff16a60c3 100644 ---- a/include/linux/mfd/intel_soc_pmic.h -+++ b/include/linux/mfd/intel_soc_pmic.h -@@ -30,4 +30,7 @@ struct intel_soc_pmic { - struct device *dev; - }; - -+int intel_soc_pmic_readb(int reg); -+int intel_soc_pmic_writeb(int reg, u8 val); -+ - #endif /* __INTEL_SOC_PMIC_H__ */ |