Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1de6068e authored by Jani Nikula's avatar Jani Nikula Committed by Daniel Vetter
Browse files

drm/i915: extract backlight minimum brightness from VBT 



Reviewed-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent b98856a8

drivers/gpu/drm/i915/i915_drv.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -1270,6 +1270,7 @@ struct intel_vbt_data { 
		u16 pwm_freq_hz;

		u16 pwm_freq_hz;

		bool present;

		bool present;

		bool active_low_pwm;

		bool active_low_pwm;

		u8 min_brightness;	/* min_brightness/255 of max */

	} backlight;

	} backlight;





	/* MIPI DSI */

	/* MIPI DSI */

drivers/gpu/drm/i915/intel_bios.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -336,11 +336,12 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, struct bdb_header *bdb) 




	dev_priv->vbt.backlight.pwm_freq_hz = entry->pwm_freq_hz;

	dev_priv->vbt.backlight.pwm_freq_hz = entry->pwm_freq_hz;

	dev_priv->vbt.backlight.active_low_pwm = entry->active_low_pwm;

	dev_priv->vbt.backlight.active_low_pwm = entry->active_low_pwm;

	dev_priv->vbt.backlight.min_brightness = entry->min_brightness;

	DRM_DEBUG_KMS("VBT backlight PWM modulation frequency %u Hz, "

	DRM_DEBUG_KMS("VBT backlight PWM modulation frequency %u Hz, "

		      "active %s, min brightness %u, level %u\n",

		      "active %s, min brightness %u, level %u\n",

		      dev_priv->vbt.backlight.pwm_freq_hz,

		      dev_priv->vbt.backlight.pwm_freq_hz,

		      dev_priv->vbt.backlight.active_low_pwm ? "low" : "high",

		      dev_priv->vbt.backlight.active_low_pwm ? "low" : "high",

		      entry->min_brightness,

		      dev_priv->vbt.backlight.min_brightness,

		      backlight_data->level[panel_type]);

		      backlight_data->level[panel_type]);

}

}