Does what it says on the label, unused for now.
Signed-off-by: Lyude Paul <[email protected]>
Fixes: f575f2bdb6c3 ("drm/nouveau/kms/nv50-: Remove (nv_encoder->crtc) checks
in ->disable callbacks")
Cc: <[email protected]> # v5.12+
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c
b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index a885394f7cb92..152361f7feb42 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -459,6 +459,22 @@ nv50_outp_get_old_connector(struct drm_atomic_commit
*state, struct nouveau_enco
return NULL;
}
+static struct nouveau_crtc * __maybe_unused
+nv50_outp_get_old_crtc(const struct drm_atomic_commit *state, const struct
nouveau_encoder *outp)
+{
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ const u32 mask = drm_encoder_mask(&outp->base.base);
+ int i;
+
+ for_each_old_crtc_in_state(state, crtc, crtc_state, i) {
+ if (crtc_state->encoder_mask & mask)
+ return nouveau_crtc(crtc);
+ }
+
+ return NULL;
+}
+
static struct nouveau_crtc *
nv50_outp_get_new_crtc(const struct drm_atomic_commit *state, const struct
nouveau_encoder *outp)
{
--
2.55.0
