It prevents sending VSC SDP Packet to a receiver when VSC SDP is not needed. Because VSC SDP is used for PSR, YCbCr 420, HDR BT.2020 and etc, it checks PSR is enabled or not.
Signed-off-by: Gwan-gyeong Mun <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 521ce23f38ac..ed6845485b41 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4735,8 +4735,16 @@ void intel_dp_vsc_enable(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - if (!intel_dp_needs_vsc_sdp(crtc_state, conn_state)) + if (!intel_dp_needs_vsc_sdp(crtc_state, conn_state)) { + struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + struct intel_encoder *encoder = &intel_dig_port->base; + + if (!intel_psr_enabled(intel_dp) && + intel_infoframe_enabled(encoder, crtc_state, DP_SDP_VSC)) + intel_enable_infoframe(encoder, false, crtc_state, DP_SDP_VSC); + return; + } intel_dp_setup_vsc_sdp(intel_dp, crtc_state, conn_state); } -- 2.23.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
