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@xxxxxxxxxxxxxxx
Cc: Keith Packard <keithp@xxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
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);
--
2.14.4
