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drm/atomic: Wire file_priv through for property changes

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We need this to make sure lessees can only connect their
plane/connectors to crtc objects they own. And note that this is
irrespective of whether the lessor is atomic or not, lessor cannot
prevent lessees from enabling atomic.

Cc: stable@vger.kernel.org
Cc: Keith Packard <keithp@keithp.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190228144910.26488-7-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter
2019-02-28 15:49:09 +01:00
parent 204f640da6
commit 36e4523aaf
3 changed files with 23 additions and 15 deletions
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5
drivers/gpu/drm/drm_mode_object.c
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@@ -451,6 +451,7 @@ static int set_property_legacy(struct drm_mode_object *obj,
}
static int set_property_atomic(struct drm_mode_object *obj,
struct drm_file *file_priv,
struct drm_property *prop,
uint64_t prop_value)
{
@@ -477,7 +478,7 @@ retry:
obj_to_connector(obj),
prop_value);
} else {
ret = drm_atomic_set_property(state, obj, prop, prop_value);
ret = drm_atomic_set_property(state, file_priv, obj, prop, prop_value);
if (ret)
goto out;
ret = drm_atomic_commit(state);
@@ -520,7 +521,7 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
goto out_unref;
if (drm_drv_uses_atomic_modeset(property->dev))
ret = set_property_atomic(arg_obj, property, arg->value);
ret = set_property_atomic(arg_obj, file_priv, property, arg->value);
else
ret = set_property_legacy(arg_obj, property, arg->value);