diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_crtc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c index aed3853952be..f95d169fc324 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.c +++ b/drivers/gpu/drm/i915/display/intel_crtc.c @@ -389,6 +389,23 @@ fail: return ret; } +int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, + struct drm_file *file) +{ + struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; + struct drm_crtc *drm_crtc; + struct intel_crtc *crtc; + + drm_crtc = drm_crtc_find(dev, file, pipe_from_crtc_id->crtc_id); + if (!drm_crtc) + return -ENOENT; + + crtc = to_intel_crtc(drm_crtc); + pipe_from_crtc_id->pipe = crtc->pipe; + + return 0; +} + static bool intel_crtc_needs_vblank_work(const struct intel_crtc_state *crtc_state) { return crtc_state->hw.active && |