Two exceptions:
- debugfs files only read information which is not related to crtc, so
can stay on the modeset_config lock.
- Same holds for the edp vdd work in intel_dp.c. Add a corresponding
WARN_ON and a comment next to the intel_dp struct fields for
documentation.
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/intel_dp.c | 2 ++
drivers/gpu/drm/i915/intel_fb.c | 4 ++--
drivers/gpu/drm/i915/intel_lvds.c | 4 ++--
drivers/gpu/drm/i915/intel_overlay.c | 14 +++++++-------
drivers/gpu/drm/i915/intel_sprite.c | 8 ++++----
5 files changed, 17 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index b51043e..66ec9ca 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1052,6 +1052,8 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
+ WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
+
if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) {
pp = ironlake_get_pp_control(dev_priv);
pp &= ~EDP_FORCE_VDD;
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index b7773e5..ed7bb33 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -282,7 +282,7 @@ void intel_fb_restore_mode(struct drm_device *dev)
struct drm_mode_config *config = &dev->mode_config;
struct drm_plane *plane;
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper);
if (ret)
@@ -292,5 +292,5 @@ void intel_fb_restore_mode(struct drm_device *dev)
list_for_each_entry(plane, &config->plane_list, head)
plane->funcs->disable_plane(plane);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
}
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 7781069..2719665 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -586,9 +586,9 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
dev_priv->modeset_on_lid = 0;
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
intel_modeset_setup_hw_state(dev, true);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
return NOTIFY_OK;
}
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index fabe0ac..1e901c3 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -1045,13 +1045,13 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
}
if (!(put_image_rec->flags & I915_OVERLAY_ENABLE)) {
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
mutex_lock(&dev->struct_mutex);
ret = intel_overlay_switch_off(overlay);
mutex_unlock(&dev->struct_mutex);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
return ret;
}
@@ -1075,7 +1075,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
goto out_free;
}
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
mutex_lock(&dev->struct_mutex);
if (new_bo->tiling_mode) {
@@ -1157,7 +1157,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
goto out_unlock;
mutex_unlock(&dev->struct_mutex);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
kfree(params);
@@ -1165,7 +1165,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
out_unlock:
mutex_unlock(&dev->struct_mutex);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
drm_gem_object_unreference_unlocked(&new_bo->base);
out_free:
kfree(params);
@@ -1241,7 +1241,7 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
return -ENODEV;
}
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
mutex_lock(&dev->struct_mutex);
ret = -EINVAL;
@@ -1307,7 +1307,7 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
ret = 0;
out_unlock:
mutex_unlock(&dev->struct_mutex);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
return ret;
}
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 827dcd4..d9f45d4c 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -595,7 +595,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
return -EINVAL;
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE);
if (!obj) {
@@ -608,7 +608,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
ret = intel_plane->update_colorkey(plane, set);
out_unlock:
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
return ret;
}
@@ -624,7 +624,7 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE);
if (!obj) {
@@ -637,7 +637,7 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
intel_plane->get_colorkey(plane, get);
out_unlock:
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
return ret;
}
--
1.7.10.4
