On Fri, 27 Mar 2020, Vipin Anand <vipin.anand@xxxxxxxxx> wrote:
> this patch adds hdr capabilities checks for Gen9 devices with
> lspcon support.
My earlier feedback to this patch holds. I don't really understand what
you're trying to achieve.
BR,
Jani.
>
> Signed-off-by: Vipin Anand <vipin.anand@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_hdmi.c | 17 +++++++++++++----
> drivers/gpu/drm/i915/display/intel_lspcon.c | 9 +++++++--
> 2 files changed, 20 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 9ae2f88cc925..70d0d76ed606 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -833,9 +833,12 @@ intel_hdmi_compute_drm_infoframe(struct intel_encoder *encoder,
> {
> struct hdmi_drm_infoframe *frame = &crtc_state->infoframes.drm.drm;
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> int ret;
>
> - if (!(INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)))
> + if (!(INTEL_GEN(dev_priv) >= 10 ||
> + (((INTEL_GEN(dev_priv) >= 9)) &&
> + intel_dig_port->lspcon.active)))
> return true;
>
> if (!crtc_state->has_infoframe)
> @@ -2102,9 +2105,12 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> const struct ddi_vbt_port_info *info =
> &dev_priv->vbt.ddi_port_info[encoder->port];
> + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> int max_tmds_clock;
>
> - if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
> + if (INTEL_GEN(dev_priv) >= 10 ||
> + (((INTEL_GEN(dev_priv) >= 9)) &&
> + intel_dig_port->lspcon.active))
> max_tmds_clock = 594000;
> else if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv))
> max_tmds_clock = 300000;
> @@ -2423,6 +2429,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
> struct intel_digital_connector_state *intel_conn_state =
> to_intel_digital_connector_state(conn_state);
> bool force_dvi = intel_conn_state->force_audio == HDMI_AUDIO_OFF_DVI;
> + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> int ret;
>
> if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
> @@ -2469,7 +2476,8 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
> pipe_config->lane_count = 4;
>
> if (scdc->scrambling.supported && (INTEL_GEN(dev_priv) >= 10 ||
> - IS_GEMINILAKE(dev_priv))) {
> + (((INTEL_GEN(dev_priv) >= 9)) &&
> + intel_dig_port->lspcon.active))) {
> if (scdc->scrambling.low_rates)
> pipe_config->hdmi_scrambling = true;
>
> @@ -3171,7 +3179,8 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
> connector->doublescan_allowed = 0;
> connector->stereo_allowed = 1;
>
> - if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
> + if (INTEL_GEN(dev_priv) >= 10 ||
> + (((INTEL_GEN(dev_priv) >= 9)) && intel_dig_port->lspcon.active))
> connector->ycbcr_420_allowed = true;
>
> intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 5cede4f07f22..be074acd74f3 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -116,6 +116,8 @@ static bool lspcon_detect_hdr_capability(struct intel_lspcon *lspcon)
> if (lspcon->vendor == LSPCON_VENDOR_MCA)
> ret = drm_dp_dpcd_read(&dp->aux, DPCD_MCA_LSPCON_HDR_STATUS,
> &hdr_caps, 1);
> + else if (lspcon->vendor == LSPCON_VENDOR_PARADE)
> + return true;
> else
> return false;
>
> @@ -474,7 +476,8 @@ void lspcon_write_infoframe(struct intel_encoder *encoder,
> * Todo: Add support for Parade later
> */
> if (type == HDMI_PACKET_TYPE_GAMUT_METADATA &&
> - lspcon->vendor != LSPCON_VENDOR_MCA)
> + (lspcon->vendor != LSPCON_VENDOR_MCA ||
> + lspcon->vendor != LSPCON_VENDOR_PARADE))
> return;
>
> if (lspcon->vendor == LSPCON_VENDOR_MCA) {
> @@ -646,7 +649,9 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> return false;
> }
>
> - if (lspcon->vendor == LSPCON_VENDOR_MCA && lspcon->hdr_supported)
> + if ((lspcon->vendor == LSPCON_VENDOR_MCA ||
> + lspcon->vendor == LSPCON_VENDOR_PARADE) &&
> + lspcon->hdr_supported)
> drm_object_attach_property(&connector->base,
> connector->dev->mode_config.hdr_output_metadata_property,
> 0);
--
Jani Nikula, Intel Open Source Graphics Center
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