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 Signed-off-by: Daniel Vetter daniel.vetter@intel.com --- drivers/gpu/drm/drm_atomic_uapi.c | 32 +++++++++++++++++++------------- drivers/gpu/drm/drm_crtc_internal.h | 1 + drivers/gpu/drm/drm_mode_object.c | 5 +++-- 3 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 4eb81f10bc54..f0dbfeb00926 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -512,8 +512,8 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc, }

static int drm_atomic_plane_set_property(struct drm_plane *plane, - struct drm_plane_state *state, struct drm_property *property, - uint64_t val) + struct drm_plane_state *state, struct drm_file *file_priv, + struct drm_property *property, uint64_t val) { struct drm_device *dev = plane->dev; struct drm_mode_config *config = &dev->mode_config; @@ -521,7 +521,8 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, int ret;

if (property == config->prop_fb_id) { - struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val); + struct drm_framebuffer *fb; + fb = drm_framebuffer_lookup(dev, file_priv, val); drm_atomic_set_fb_for_plane(state, fb); if (fb) drm_framebuffer_put(fb); @@ -537,7 +538,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, return -EINVAL;

} else if (property == config->prop_crtc_id) { - struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val); + struct drm_crtc *crtc = drm_crtc_find(dev, file_priv, val); return drm_atomic_set_crtc_for_plane(state, crtc); } else if (property == config->prop_crtc_x) { state->crtc_x = U642I64(val); @@ -681,14 +682,14 @@ static int drm_atomic_set_writeback_fb_for_connector( }

static int drm_atomic_connector_set_property(struct drm_connector *connector, - struct drm_connector_state *state, struct drm_property *property, - uint64_t val) + struct drm_connector_state *state, struct drm_file *file_priv, + struct drm_property *property, uint64_t val) { struct drm_device *dev = connector->dev; struct drm_mode_config *config = &dev->mode_config;

if (property == config->prop_crtc_id) { - struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val); + struct drm_crtc *crtc = drm_crtc_find(dev, file_priv, val); return drm_atomic_set_crtc_for_connector(state, crtc); } else if (property == config->dpms_property) { /* setting DPMS property requires special handling, which @@ -749,8 +750,10 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, } else if (property == connector->colorspace_property) { state->colorspace = val; } else if (property == config->writeback_fb_id_property) { - struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val); - int ret = drm_atomic_set_writeback_fb_for_connector(state, fb); + struct drm_framebuffer *fb; + int ret; + fb = drm_framebuffer_lookup(dev, file_priv, val); + ret = drm_atomic_set_writeback_fb_for_connector(state, fb); if (fb) drm_framebuffer_put(fb); return ret; @@ -947,6 +950,7 @@ int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state, }

int drm_atomic_set_property(struct drm_atomic_state *state, + struct drm_file *file_priv, struct drm_mode_object *obj, struct drm_property *prop, uint64_t prop_value) @@ -969,7 +973,8 @@ int drm_atomic_set_property(struct drm_atomic_state *state, }

ret = drm_atomic_connector_set_property(connector, - connector_state, prop, prop_value); + connector_state, file_priv, + prop, prop_value); break; } case DRM_MODE_OBJECT_CRTC: { @@ -997,7 +1002,8 @@ int drm_atomic_set_property(struct drm_atomic_state *state, }

ret = drm_atomic_plane_set_property(plane, - plane_state, prop, prop_value); + plane_state, file_priv, + prop, prop_value); break; } default: @@ -1369,8 +1375,8 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, goto out; }

- ret = drm_atomic_set_property(state, obj, prop, - prop_value); + ret = drm_atomic_set_property(state, file_priv, + obj, prop, prop_value); if (ret) { drm_mode_object_put(obj); goto out; diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h index 216f2a9ee3d4..0719a235d6cc 100644 --- a/drivers/gpu/drm/drm_crtc_internal.h +++ b/drivers/gpu/drm/drm_crtc_internal.h @@ -214,6 +214,7 @@ int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state, struct drm_connector *connector, int mode); int drm_atomic_set_property(struct drm_atomic_state *state, + struct drm_file *file_priv, struct drm_mode_object *obj, struct drm_property *prop, uint64_t prop_value); diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c index a9005c1c2384..f32507e65b79 100644 --- a/drivers/gpu/drm/drm_mode_object.c +++ b/drivers/gpu/drm/drm_mode_object.c @@ -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 @@ static int set_property_atomic(struct drm_mode_object *obj, 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);