On 1/27/2026 6:11 PM, Jouni Högander wrote:
Add new helper to enable PSR Frame Change event generation using trans push mechanism. This helper is to be used by PSR code on PSR enable. Signed-off-by: Jouni Högander <[email protected]>
Reviewed-by: Ankit Nautiyal <[email protected]>
--- drivers/gpu/drm/i915/display/intel_vrr.c | 9 +++++++++ drivers/gpu/drm/i915/display/intel_vrr.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index f26989c74268..66c68e7f3a49 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -973,6 +973,15 @@ void intel_vrr_transcoder_disable(const struct intel_crtc_state *old_crtc_state) intel_vrr_tg_disable(old_crtc_state); }+void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state)+{ + struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + + intel_de_write(display, TRANS_PUSH(display, cpu_transcoder), + trans_vrr_push(crtc_state, false)); +} + bool intel_vrr_is_fixed_rr(const struct intel_crtc_state *crtc_state) { return crtc_state->vrr.flipline && diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h index bedcc8c4bff2..4f16ca4af91f 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.h +++ b/drivers/gpu/drm/i915/display/intel_vrr.h @@ -33,6 +33,7 @@ void intel_vrr_dcb_increment_flip_count(struct intel_crtc_state *crtc_state, struct intel_crtc *crtc); bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state); void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state); +void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state); void intel_vrr_get_config(struct intel_crtc_state *crtc_state); int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state); int intel_vrr_vmin_vtotal(const struct intel_crtc_state *crtc_state);
