diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 35e86196c062cddd731e00365dc870746b703ce3..f0f38f5e752c8a84967fa035c7edc78aa31a2808 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3557,30 +3557,26 @@ int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; - struct drm_crtc *crtc = NULL; - int pipe = -1; + struct drm_mode_object *drmmode_obj; + struct intel_crtc *crtc; if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - if (crtc->base.id == pipe_from_crtc_id->crtc_id) { - pipe = intel_crtc->pipe; - break; - } - } + drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id, + DRM_MODE_OBJECT_CRTC); - if (pipe == -1) { + if (!drmmode_obj) { DRM_ERROR("no such CRTC id\n"); return -EINVAL; } - pipe_from_crtc_id->pipe = pipe; + crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); + pipe_from_crtc_id->pipe = crtc->pipe; - return 0; + return 0; } struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)