[Intel-gfx] [PATCH 13/21] drm/i915/panel: Track temporary rpm wakeref
Chris Wilson
chris at chris-wilson.co.uk
Thu Jan 10 10:11:44 UTC 2019
Keep track of the temporary rpm wakeref used for panel backlight access,
so that we can cancel it immediately upon release and so more clearly
identify leaks.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula at intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
drivers/gpu/drm/i915/intel_panel.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index c2b7455a023e..93a2e4b5c54c 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1203,17 +1203,18 @@ static int intel_backlight_device_get_brightness(struct backlight_device *bd)
struct intel_connector *connector = bl_get_data(bd);
struct drm_device *dev = connector->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
+ intel_wakeref_t wakeref;
u32 hw_level;
int ret;
- intel_runtime_pm_get(dev_priv);
+ wakeref = intel_runtime_pm_get(dev_priv);
drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
hw_level = intel_panel_get_backlight(connector);
ret = scale_hw_to_user(connector, hw_level, bd->props.max_brightness);
drm_modeset_unlock(&dev->mode_config.connection_mutex);
- intel_runtime_pm_put_unchecked(dev_priv);
+ intel_runtime_pm_put(dev_priv, wakeref);
return ret;
}
--
2.20.1
More information about the Intel-gfx
mailing list