@@ -637,6 +637,17 @@ void intel_dsb_chain(struct intel_atomic_state *state,
wait_for_vblank ? DSB_WAIT_FOR_VBLANK : 0);
}
+void intel_dsb_wait_vblank_delay(struct intel_atomic_state *state,
+ struct intel_dsb *dsb)
+{
+ struct intel_crtc *crtc = dsb->crtc;
+ const struct intel_crtc_state *crtc_state = pre_commit_crtc_state(state, crtc);
+ int usecs = intel_scanlines_to_usecs(&crtc_state->hw.adjusted_mode,
+ dsb_vblank_delay(crtc_state)) + 1;
+
+ intel_dsb_wait_usec(dsb, usecs);
+}
+
static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl,
int hw_dewake_scanline)
{
@@ -42,6 +42,8 @@ void intel_dsb_nonpost_end(struct intel_dsb *dsb);
void intel_dsb_interrupt(struct intel_dsb *dsb);
void intel_dsb_wait_usec(struct intel_dsb *dsb, int count);
void intel_dsb_wait_vblanks(struct intel_dsb *dsb, int count);
+void intel_dsb_wait_vblank_delay(struct intel_atomic_state *state,
+ struct intel_dsb *dsb);
void intel_dsb_wait_scanline_in(struct intel_atomic_state *state,
struct intel_dsb *dsb,
int lower, int upper);