diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_uapi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_uapi.c | 149 |
1 files changed, 96 insertions, 53 deletions
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 98d3b10c08ae..29d4940188d4 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -362,48 +362,6 @@ static s32 __user *get_out_fence_for_connector(struct drm_atomic_state *state, return fence_ptr; } -static int -drm_atomic_replace_property_blob_from_id(struct drm_device *dev, - struct drm_property_blob **blob, - uint64_t blob_id, - ssize_t expected_size, - ssize_t expected_elem_size, - bool *replaced) -{ - struct drm_property_blob *new_blob = NULL; - - if (blob_id != 0) { - new_blob = drm_property_lookup_blob(dev, blob_id); - if (new_blob == NULL) { - drm_dbg_atomic(dev, - "cannot find blob ID %llu\n", blob_id); - return -EINVAL; - } - - if (expected_size > 0 && - new_blob->length != expected_size) { - drm_dbg_atomic(dev, - "[BLOB:%d] length %zu different from expected %zu\n", - new_blob->base.id, new_blob->length, expected_size); - drm_property_blob_put(new_blob); - return -EINVAL; - } - if (expected_elem_size > 0 && - new_blob->length % expected_elem_size != 0) { - drm_dbg_atomic(dev, - "[BLOB:%d] length %zu not divisible by element size %zu\n", - new_blob->base.id, new_blob->length, expected_elem_size); - drm_property_blob_put(new_blob); - return -EINVAL; - } - } - - *replaced |= drm_property_replace_blob(blob, new_blob); - drm_property_blob_put(new_blob); - - return 0; -} - static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, struct drm_crtc_state *state, struct drm_property *property, uint64_t val) @@ -424,7 +382,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, } else if (property == config->prop_vrr_enabled) { state->vrr_enabled = val; } else if (property == config->degamma_lut_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->degamma_lut, val, -1, sizeof(struct drm_color_lut), @@ -432,7 +390,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, state->color_mgmt_changed |= replaced; return ret; } else if (property == config->ctm_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->ctm, val, sizeof(struct drm_color_ctm), -1, @@ -440,7 +398,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, state->color_mgmt_changed |= replaced; return ret; } else if (property == config->gamma_lut_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->gamma_lut, val, -1, sizeof(struct drm_color_lut), @@ -581,7 +539,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, } else if (property == plane->color_range_property) { state->color_range = val; } else if (property == config->prop_fb_damage_clips) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->fb_damage_clips, val, -1, @@ -593,6 +551,22 @@ 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 +627,10 @@ 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", @@ -758,7 +736,7 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, if (state->link_status != DRM_LINK_STATUS_GOOD) state->link_status = val; } else if (property == config->hdr_output_metadata_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->hdr_output_metadata, val, sizeof(struct hdr_output_metadata), -1, @@ -1006,13 +984,28 @@ 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 +1022,13 @@ 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 +1044,13 @@ 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 +1058,7 @@ 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 +1066,21 @@ 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 +1346,18 @@ 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 +1372,7 @@ 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 +1399,13 @@ 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 +1490,8 @@ 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 +1508,9 @@ 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) { |