The brightness property was set with the incoming value
instead of the calculated value.

Signed-off-by: Marta Lofstedt <marta.lofstedt at intel.com>
---
 drivers/gpu/drm/drm_backlight.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_backlight.c b/drivers/gpu/drm/drm_backlight.c
index 92d231a..e73ec8e 100644
--- a/drivers/gpu/drm/drm_backlight.c
+++ b/drivers/gpu/drm/drm_backlight.c
@@ -132,7 +132,7 @@ static void __drm_backlight_real_changed(struct 
drm_backlight *b, uint64_t v)
                set = div_u64(v << 16, max);

        drm_object_property_set_value(&b->connector->base,
-                                     config->brightness_property, v);
+                                     config->brightness_property, set);
 }

 /* caller must hold @drm_backlight_lock */
-- 
2.9.3

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