v2: Add bugzilla links Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96571 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90075 Cc: cbrookes@xxxxxxxxx Cc: jani.nikula@xxxxxxxxxxxxxxx Tested-by: Lluís Batlle i Rossell <viric@xxxxxxxxxx> Signed-off-by: Shobhit Kumar <shobhit.kumar@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_panel.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index d56d1c2..4d84c561 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -36,6 +36,7 @@ #include "intel_drv.h" #define CRC_PMIC_PWM_PERIOD_NS 21333 +#define LPSS_PWM_PERIOD_NS 10240 /* CRC PMIC based PWM Information */ struct intel_pwm_info crc_pwm_info = { @@ -44,6 +45,13 @@ struct intel_pwm_info crc_pwm_info = { .dev = NULL, }; +/* LPSS based PWM Information */ +struct intel_pwm_info lpss_pwm_info = { + .period_ns = LPSS_PWM_PERIOD_NS, + .name = "pwm_lpss", + .dev = NULL, +}; + void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode) @@ -1658,10 +1666,16 @@ static int pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe) { struct drm_device *dev = connector->base.dev; + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_panel *panel = &connector->panel; - struct intel_pwm_info *pwm = &crc_pwm_info; + struct intel_pwm_info *pwm; int retval; + if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) + pwm = &crc_pwm_info; + else /* PPS_BLC_SOC */ + pwm = &lpss_pwm_info; + /* Get the PWM chip for backlight control */ pwm->dev = pwm_get(dev->dev, pwm->name); if (IS_ERR(pwm->dev)) { -- 2.7.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
