This workaround requires that VIDEO_DIP_ENABLE_VSC_HSW is never set with PSR.
BSpec: 54369 BSpec: 54077 Cc: Matt Atwood <[email protected]> Cc: Gwan-gyeong Mun <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> --- drivers/gpu/drm/i915/display/intel_hdmi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index de7328685d40..3876a52642a4 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -531,6 +531,11 @@ void hsw_write_infoframe(struct intel_encoder *encoder, hsw_dip_data_reg(dev_priv, cpu_transcoder, type, i >> 2), 0); + /* Wa_14013475917 */ + if (DISPLAY_VER(dev_priv) == 13 && crtc_state->has_psr && + type == DP_SDP_VSC) + return; + val |= hsw_infoframe_enable(type); intel_de_write(dev_priv, ctl_reg, val); intel_de_posting_read(dev_priv, ctl_reg); -- 2.31.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
