diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 00a552d75be2..dccdb20cc6d7 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7740,6 +7740,14 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state, intel_crtc_planes_update_noarm(new_crtc_state->dsb_commit, state, crtc); + /* + * Ensure we have "Frame Change" event when PSR state is + * SRDENT(PSR1) or DEEP_SLEEP(PSR2). Otherwise DSB vblank + * evasion hangs as PIPEDSL is reading as 0. + */ + intel_psr_trigger_frame_change_event(new_crtc_state->dsb_commit, + state, crtc); + intel_dsb_vblank_evade(state, new_crtc_state->dsb_commit); if (intel_crtc_needs_color_update(new_crtc_state)) |