diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsb.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsb.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 373e815a7639..780f4cee59d6 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -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) { diff --git a/drivers/gpu/drm/i915/display/intel_dsb.h b/drivers/gpu/drm/i915/display/intel_dsb.h index 115f51c75a1e..33e0fc2ab380 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.h +++ b/drivers/gpu/drm/i915/display/intel_dsb.h @@ -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); |