diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/cdv_device.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/cdv_device.c | 69 |
1 files changed, 21 insertions, 48 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c index d7c6cca23e94..fd6ea8998dbe 100644 --- a/drivers/gpu/drm/gma500/cdv_device.c +++ b/drivers/gpu/drm/gma500/cdv_device.c @@ -5,10 +5,11 @@ * **************************************************************************/ -#include <linux/backlight.h> #include <linux/delay.h> #include <drm/drm.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_print.h> #include "cdv_device.h" #include "gma_device.h" @@ -62,14 +63,10 @@ static int cdv_output_init(struct drm_device *dev) return 0; } -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - /* * Cedartrail Backlght Interfaces */ -static struct backlight_device *cdv_backlight_device; - static int cdv_backlight_combination_mode(struct drm_device *dev) { return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE; @@ -92,9 +89,8 @@ static u32 cdv_get_max_backlight(struct drm_device *dev) return max; } -static int cdv_get_brightness(struct backlight_device *bd) +static int cdv_get_brightness(struct drm_device *dev) { - struct drm_device *dev = bl_get_data(bd); struct pci_dev *pdev = to_pci_dev(dev->dev); u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; @@ -106,20 +102,13 @@ static int cdv_get_brightness(struct backlight_device *bd) val *= lbpc; } return (val * 100)/cdv_get_max_backlight(dev); - } -static int cdv_set_brightness(struct backlight_device *bd) +static void cdv_set_brightness(struct drm_device *dev, int level) { - struct drm_device *dev = bl_get_data(bd); struct pci_dev *pdev = to_pci_dev(dev->dev); - int level = bd->props.brightness; u32 blc_pwm_ctl; - /* Percentage 1-100% being valid */ - if (level < 1) - level = 1; - level *= cdv_get_max_backlight(dev); level /= 100; @@ -136,38 +125,18 @@ static int cdv_set_brightness(struct backlight_device *bd) blc_pwm_ctl = REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; REG_WRITE(BLC_PWM_CTL, (blc_pwm_ctl | (level << BACKLIGHT_DUTY_CYCLE_SHIFT))); - return 0; } -static const struct backlight_ops cdv_ops = { - .get_brightness = cdv_get_brightness, - .update_status = cdv_set_brightness, -}; - static int cdv_backlight_init(struct drm_device *dev) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); - struct backlight_properties props; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 100; - props.type = BACKLIGHT_PLATFORM; - - cdv_backlight_device = backlight_device_register("psb-bl", - NULL, (void *)dev, &cdv_ops, &props); - if (IS_ERR(cdv_backlight_device)) - return PTR_ERR(cdv_backlight_device); - - cdv_backlight_device->props.brightness = - cdv_get_brightness(cdv_backlight_device); - backlight_update_status(cdv_backlight_device); - dev_priv->backlight_device = cdv_backlight_device; - dev_priv->backlight_enabled = true; + + dev_priv->backlight_level = cdv_get_brightness(dev); + cdv_set_brightness(dev, dev_priv->backlight_level); + return 0; } -#endif - /* * Provide the Cedarview specific chip logic and low level methods * for power management @@ -247,7 +216,7 @@ static void cdv_errata(struct drm_device *dev) * Bonus Launch to work around the issue, by degrading * performance. */ - CDV_MSG_WRITE32(pci_domain_nr(pdev->bus), 3, 0x30, 0x08027108); + CDV_MSG_WRITE32(pci_domain_nr(pdev->bus), 3, 0x30, 0x08027108); } /** @@ -262,6 +231,7 @@ static int cdv_save_display_registers(struct drm_device *dev) struct drm_psb_private *dev_priv = to_drm_psb_private(dev); struct pci_dev *pdev = to_pci_dev(dev->dev); struct psb_save_area *regs = &dev_priv->regs; + struct drm_connector_list_iter conn_iter; struct drm_connector *connector; dev_dbg(dev->dev, "Saving GPU registers.\n"); @@ -298,8 +268,10 @@ static int cdv_save_display_registers(struct drm_device *dev) regs->cdv.saveIER = REG_READ(PSB_INT_ENABLE_R); regs->cdv.saveIMR = REG_READ(PSB_INT_MASK_R); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF); + drm_connector_list_iter_end(&conn_iter); return 0; } @@ -317,6 +289,7 @@ static int cdv_restore_display_registers(struct drm_device *dev) struct drm_psb_private *dev_priv = to_drm_psb_private(dev); struct pci_dev *pdev = to_pci_dev(dev->dev); struct psb_save_area *regs = &dev_priv->regs; + struct drm_connector_list_iter conn_iter; struct drm_connector *connector; u32 temp; @@ -373,8 +346,10 @@ static int cdv_restore_display_registers(struct drm_device *dev) drm_mode_config_reset(dev); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); + drm_connector_list_iter_end(&conn_iter); /* Resume the modeset for every activated CRTC */ drm_helper_resume_force_mode(dev); @@ -575,11 +550,9 @@ static const struct psb_offset cdv_regmap[2] = { static int cdv_chip_setup(struct drm_device *dev) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); - struct pci_dev *pdev = to_pci_dev(dev->dev); INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func); - if (pci_enable_msi(pdev)) - dev_warn(dev->dev, "Enabling MSI failed!\n"); + dev_priv->use_msi = true; dev_priv->regmap = cdv_regmap; gma_get_core_freq(dev); psb_intel_opregion_init(dev); @@ -603,16 +576,16 @@ const struct psb_ops cdv_chip_ops = { .errata = cdv_errata, .crtc_helper = &cdv_intel_helper_funcs, - .crtc_funcs = &gma_intel_crtc_funcs, .clock_funcs = &cdv_clock_funcs, .output_init = cdv_output_init, .hotplug = cdv_hotplug_event, .hotplug_enable = cdv_hotplug_enable, -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE .backlight_init = cdv_backlight_init, -#endif + .backlight_get = cdv_get_brightness, + .backlight_set = cdv_set_brightness, + .backlight_name = "psb-bl", .init_pm = cdv_init_pm, .save_regs = cdv_save_display_registers, |