drm/i915: parse backlight modulation frequency from the BIOS VBT
We don't actually do anything with the information yet, but parse and
log what's in the VBT.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 67f2ca1..b0a6e76 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1184,6 +1184,11 @@
int edp_bpp;
struct edp_power_seq edp_pps;
+ struct {
+ u16 pwm_freq_hz;
+ bool active_low_pwm;
+ } backlight;
+
/* MIPI DSI */
struct {
u16 panel_id;