On Thu, Jan 28, 2021 at 05:59:47PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> The documented programming sequence indicates the correct point
> for the vswing programming is just before we enable the DDI.
> Make it so.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_ddi.c | 30 ++++++++++++------------
> 1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
> b/drivers/gpu/drm/i915/display/intel_ddi.c
> index 8fbeb8c24efb..efcdf5499903 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -3893,7 +3893,6 @@ static void intel_ddi_pre_enable_hdmi(struct
> intel_atomic_state *state,
> struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
> struct intel_hdmi *intel_hdmi = &dig_port->hdmi;
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> - int level = intel_ddi_hdmi_level(encoder, crtc_state);
>
> intel_dp_dual_mode_set_tmds_output(intel_hdmi, true);
> intel_ddi_clk_select(encoder, crtc_state);
> @@ -3904,20 +3903,6 @@ static void intel_ddi_pre_enable_hdmi(struct
> intel_atomic_state *state,
>
> icl_program_mg_dp_mode(dig_port, crtc_state);
>
> - if (INTEL_GEN(dev_priv) >= 12)
> - tgl_ddi_vswing_sequence(encoder, crtc_state, level);
> - else if (INTEL_GEN(dev_priv) == 11)
> - icl_ddi_vswing_sequence(encoder, crtc_state, level);
> - else if (IS_CANNONLAKE(dev_priv))
> - cnl_ddi_vswing_sequence(encoder, crtc_state, level);
> - else if (IS_GEN9_LP(dev_priv))
> - bxt_ddi_vswing_sequence(encoder, crtc_state, level);
> - else
> - intel_prepare_hdmi_ddi_buffers(encoder, level);
> -
> - if (IS_GEN9_BC(dev_priv))
> - skl_ddi_set_iboost(encoder, crtc_state, level);
> -
> intel_ddi_enable_pipe_clock(encoder, crtc_state);
>
> dig_port->set_infoframes(encoder,
> @@ -4293,6 +4278,7 @@ static void intel_enable_ddi_hdmi(struct
> intel_atomic_state *state,
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
> struct drm_connector *connector = conn_state->connector;
> + int level = intel_ddi_hdmi_level(encoder, crtc_state);
> enum port port = encoder->port;
>
> if (!intel_hdmi_handle_sink_scrambling(encoder, connector,
> @@ -4302,6 +4288,20 @@ static void intel_enable_ddi_hdmi(struct
> intel_atomic_state *state,
> "[CONNECTOR:%d:%s] Failed to configure sink
> scrambling/TMDS bit clock ratio\n",
> connector->base.id, connector->name);
>
> + if (INTEL_GEN(dev_priv) >= 12)
> + tgl_ddi_vswing_sequence(encoder, crtc_state, level);
> + else if (INTEL_GEN(dev_priv) == 11)
> + icl_ddi_vswing_sequence(encoder, crtc_state, level);
> + else if (IS_CANNONLAKE(dev_priv))
> + cnl_ddi_vswing_sequence(encoder, crtc_state, level);
> + else if (IS_GEN9_LP(dev_priv))
> + bxt_ddi_vswing_sequence(encoder, crtc_state, level);
> + else
> + intel_prepare_hdmi_ddi_buffers(encoder, level);
It's not specified where to do this on HSW, but I assume it matches BDW:
Reviewed-by: Imre Deak <imre.d...@intel.com>
> +
> + if (IS_GEN9_BC(dev_priv))
> + skl_ddi_set_iboost(encoder, crtc_state, level);
> +
> /* Display WA #1143: skl,kbl,cfl */
> if (IS_GEN9_BC(dev_priv)) {
> /*
> --
> 2.26.2
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
