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path: root/drivers/gpu/drm/drm_atomic_uapi.c
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Diffstat (limited to 'drivers/gpu/drm/drm_atomic_uapi.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_uapi.c97
1 files changed, 91 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 98d3b10c08ae..aee4a65d4959 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -593,6 +593,22 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
} else if (plane->funcs->atomic_set_property) {
return plane->funcs->atomic_set_property(plane, state,
property, val);
+ } else if (property == plane->hotspot_x_property) {
+ if (plane->type != DRM_PLANE_TYPE_CURSOR) {
+ drm_dbg_atomic(plane->dev,
+ "[PLANE:%d:%s] is not a cursor plane: 0x%llx\n",
+ plane->base.id, plane->name, val);
+ return -EINVAL;
+ }
+ state->hotspot_x = val;
+ } else if (property == plane->hotspot_y_property) {
+ if (plane->type != DRM_PLANE_TYPE_CURSOR) {
+ drm_dbg_atomic(plane->dev,
+ "[PLANE:%d:%s] is not a cursor plane: 0x%llx\n",
+ plane->base.id, plane->name, val);
+ return -EINVAL;
+ }
+ state->hotspot_y = val;
} else {
drm_dbg_atomic(plane->dev,
"[PLANE:%d:%s] unknown property [PROP:%d:%s]\n",
@@ -653,6 +669,10 @@ drm_atomic_plane_get_property(struct drm_plane *plane,
*val = state->scaling_filter;
} else if (plane->funcs->atomic_get_property) {
return plane->funcs->atomic_get_property(plane, state, property, val);
+ } else if (property == plane->hotspot_x_property) {
+ *val = state->hotspot_x;
+ } else if (property == plane->hotspot_y_property) {
+ *val = state->hotspot_y;
} else {
drm_dbg_atomic(dev,
"[PLANE:%d:%s] unknown property [PROP:%d:%s]\n",
@@ -1006,13 +1026,28 @@ out:
return ret;
}
+static int drm_atomic_check_prop_changes(int ret, uint64_t old_val, uint64_t prop_value,
+ struct drm_property *prop)
+{
+ if (ret != 0 || old_val != prop_value) {
+ drm_dbg_atomic(prop->dev,
+ "[PROP:%d:%s] No prop can be changed during async flip\n",
+ prop->base.id, prop->name);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
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)
+ u64 prop_value,
+ bool async_flip)
{
struct drm_mode_object *ref;
+ u64 old_val;
int ret;
if (!drm_property_change_valid_get(prop, prop_value, &ref))
@@ -1029,6 +1064,13 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
break;
}
+ if (async_flip) {
+ ret = drm_atomic_connector_get_property(connector, connector_state,
+ prop, &old_val);
+ ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop);
+ break;
+ }
+
ret = drm_atomic_connector_set_property(connector,
connector_state, file_priv,
prop, prop_value);
@@ -1044,6 +1086,13 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
break;
}
+ if (async_flip) {
+ ret = drm_atomic_crtc_get_property(crtc, crtc_state,
+ prop, &old_val);
+ ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop);
+ break;
+ }
+
ret = drm_atomic_crtc_set_property(crtc,
crtc_state, prop, prop_value);
break;
@@ -1051,6 +1100,7 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
case DRM_MODE_OBJECT_PLANE: {
struct drm_plane *plane = obj_to_plane(obj);
struct drm_plane_state *plane_state;
+ struct drm_mode_config *config = &plane->dev->mode_config;
plane_state = drm_atomic_get_plane_state(state, plane);
if (IS_ERR(plane_state)) {
@@ -1058,6 +1108,21 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
break;
}
+ if (async_flip && prop != config->prop_fb_id) {
+ ret = drm_atomic_plane_get_property(plane, plane_state,
+ prop, &old_val);
+ ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop);
+ break;
+ }
+
+ if (async_flip && plane_state->plane->type != DRM_PLANE_TYPE_PRIMARY) {
+ drm_dbg_atomic(prop->dev,
+ "[OBJECT:%d] Only primary planes can be changed during async flip\n",
+ obj->id);
+ ret = -EINVAL;
+ break;
+ }
+
ret = drm_atomic_plane_set_property(plane,
plane_state, file_priv,
prop, prop_value);
@@ -1323,6 +1388,18 @@ static void complete_signaling(struct drm_device *dev,
kfree(fence_state);
}
+static void
+set_async_flip(struct drm_atomic_state *state)
+{
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ int i;
+
+ for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
+ crtc_state->async_flip = true;
+ }
+}
+
int drm_mode_atomic_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
@@ -1337,6 +1414,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
struct drm_out_fence_state *fence_state;
int ret = 0;
unsigned int i, j, num_fences;
+ bool async_flip = false;
/* disallow for drivers not supporting atomic: */
if (!drm_core_check_feature(dev, DRIVER_ATOMIC))
@@ -1363,9 +1441,13 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
}
if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) {
- drm_dbg_atomic(dev,
- "commit failed: invalid flag DRM_MODE_PAGE_FLIP_ASYNC\n");
- return -EINVAL;
+ if (!dev->mode_config.async_page_flip) {
+ drm_dbg_atomic(dev,
+ "commit failed: DRM_MODE_PAGE_FLIP_ASYNC not supported\n");
+ return -EINVAL;
+ }
+
+ async_flip = true;
}
/* can't test and expect an event at the same time. */
@@ -1450,8 +1532,8 @@ retry:
goto out;
}
- ret = drm_atomic_set_property(state, file_priv,
- obj, prop, prop_value);
+ ret = drm_atomic_set_property(state, file_priv, obj,
+ prop, prop_value, async_flip);
if (ret) {
drm_mode_object_put(obj);
goto out;
@@ -1468,6 +1550,9 @@ retry:
if (ret)
goto out;
+ if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC)
+ set_async_flip(state);
+
if (arg->flags & DRM_MODE_ATOMIC_TEST_ONLY) {
ret = drm_atomic_check_only(state);
} else if (arg->flags & DRM_MODE_ATOMIC_NONBLOCK) {
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-03 03:01:19 +0300