[Bug 80773] [hsw] corruption after resuming from hibernation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80773

--- Comment #16 from Jani Nikula <jani.nikula at intel.com> ---
Just a hunch, please try

diff --git a/drivers/gpu/drm/i915/intel_panel.c
b/drivers/gpu/drm/i915/intel_panel.c
index 18784470a760..2af1a83f813b 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -990,8 +990,6 @@ static int intel_backlight_device_update_status(struct
backlight_device *bd)
                 bd->props.brightness != 0;
             panel->backlight_power(connector, enable);
         }
-    } else {
-        bd->props.power = FB_BLANK_POWERDOWN;
     }

     drm_modeset_unlock(&dev->mode_config.connection_mutex);

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