From c737376442e26c84ef188e7c829e15d42928fc03 Mon Sep 17 00:00:00 2001 From: Imre Deak <imre.deak@intel.com> Date: Wed, 13 Jun 2018 20:07:09 +0300 Subject: [PATCH] drm/i915/ddi: Set HDMI infoframes with pipe clocks enabled MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On ICL for setting the HDMI infoframe the pipe clock needs to be enabled, otherwise accessing the VIDEO_DIP_CTL register will hang the machine. Cc: Vandita Kulkarni <vandita.kulkarni@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180613170710.15080-5-imre.deak@intel.com --- drivers/gpu/drm/i915/intel_ddi.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index df0e64a9721a5..936ff5a0b5222 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2671,11 +2671,11 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder, if (IS_GEN9_BC(dev_priv)) skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI); + intel_ddi_enable_pipe_clock(crtc_state); + intel_dig_port->set_infoframes(&encoder->base, crtc_state->has_infoframe, crtc_state, conn_state); - - intel_ddi_enable_pipe_clock(crtc_state); } static void intel_ddi_pre_enable(struct intel_encoder *encoder, @@ -2769,13 +2769,13 @@ static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder, struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); struct intel_hdmi *intel_hdmi = &dig_port->hdmi; + dig_port->set_infoframes(&encoder->base, false, + old_crtc_state, old_conn_state); + intel_ddi_disable_pipe_clock(old_crtc_state); intel_disable_ddi_buf(encoder); - dig_port->set_infoframes(&encoder->base, false, - old_crtc_state, old_conn_state); - intel_display_power_put(dev_priv, dig_port->ddi_io_power_domain); intel_ddi_clk_disable(encoder); -- GitLab