[PATCH 19/20] drm/i915: Move AVI infoframe function to DDI layer
Ville Syrjälä
ville.syrjala at linux.intel.com
Thu Jul 13 13:10:13 UTC 2017
On Thu, Jul 13, 2017 at 10:28:00AM +0530, Sharma, Shashank wrote:
> Thanks for the review, Ville.
>
> My comments, inline.
>
> Regards
> Shashank
> On 7/12/2017 10:45 PM, Ville Syrjälä wrote:
> > On Mon, Jul 10, 2017 at 04:48:47PM +0530, Shashank Sharma wrote:
> >> We have an existing function to prepare AVI infoframes for HDMI,
> >> this patch moves that function from HDMI layer, to DDI layer, so
> >> that we can reuse the function for DP(LSPCON) displays too.
> >>
> >> This patch:
> >> - Moves the intel_hdmi_set_avi_infoframes function in ddi layer.
> >> - Adds code to accommodate LSPCON in the same function.
> >> - Links this function as AVI infoframe setup function for LSPCON.
> >>
> >> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >> Cc: Imre Deak <imre.deak at intel.com>
> >> Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
> >> ---
> >> drivers/gpu/drm/i915/intel_ddi.c | 89 ++++++++++++++++++++++++++++++++++---
> >> drivers/gpu/drm/i915/intel_drv.h | 9 ++++
> >> drivers/gpu/drm/i915/intel_hdmi.c | 52 +++-------------------
> >> drivers/gpu/drm/i915/intel_lspcon.c | 1 +
> >> 4 files changed, 99 insertions(+), 52 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> >> index 80e96f1..f691710 100644
> >> --- a/drivers/gpu/drm/i915/intel_ddi.c
> >> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> >> @@ -2003,8 +2003,76 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder,
> >> }
> >> }
> >>
> >> +void intel_ddi_set_avi_infoframe(struct drm_encoder *encoder,
> >> + const struct intel_crtc_state *crtc_state)
> > NAK. Please look at my 'move infoframe stuff into intel_dig_port' series
> > if you need infoframes with DP. IIRC you already reviewed part of that.
> Oh, looks like we were thinking in the same direction :).
> Sure, I will look for the whole patch series, and will re-use that code
> in LSPCON/DP AVI IF series.
> Also, do let me know if you need review for those !
Please do review if you can. I was also hoping for some review
from people in the PSR front but that didn't happen so probably
no one else is looking at those patches anymore.
>
> - Shashank
> >> +{
> >> + int ret;
> >> + union hdmi_infoframe frame;
> >> + struct drm_connector *connector;
> >> + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
> >> + struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> >> + const struct drm_display_mode *adjusted_mode =
> >> + &crtc_state->base.adjusted_mode;
> >> + enum intel_output_type type = to_intel_encoder(encoder)->type;
> >> + bool is_hdmi2_sink = false;
> >> + bool rgb_qrange_selectable = false;
> >> + enum hdmi_colorspace colorspace = crtc_state->ycbcr420 ?
> >> + HDMI_COLORSPACE_YUV420 :
> >> + HDMI_COLORSPACE_RGB;
> >> + bool rgb_qrange_limited = crtc_state->limited_color_range ?
> >> + HDMI_QUANTIZATION_RANGE_LIMITED :
> >> + HDMI_QUANTIZATION_RANGE_FULL;
> >> +
> >> + switch (type) {
> >> + case INTEL_OUTPUT_HDMI:
> >> + connector = &intel_hdmi->attached_connector->base;
> >> + is_hdmi2_sink = connector->display_info.hdmi.scdc.supported;
> >> + rgb_qrange_selectable = intel_hdmi->rgb_quant_range_selectable;
> >> + break;
> >> +
> >> + case INTEL_OUTPUT_DP:
> >> + /* We are here means its a LSPCON device, still be paranoid */
> >> + if (!crtc_state->lspcon_active) {
> >> + DRM_ERROR("No LSPCON, why am I here ?\n");
> >> + return;
> >> + }
> >> +
> >> + connector = &intel_dp->attached_connector->base;
> >> + is_hdmi2_sink = connector->display_info.hdmi.scdc.supported;
> >> + if (crtc_state->ycbcr420)
> >> + rgb_qrange_limited = true;
> >> + break;
> >> +
> >> + default:
> >> + DRM_ERROR("No other encoder allowed\n");
> >> + return;
> >> + }
> >> +
> >> + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
> >> + adjusted_mode,
> >> + is_hdmi2_sink);
> >> + if (ret < 0) {
> >> + DRM_ERROR("couldn't fill AVI infoframe\n");
> >> + return;
> >> + }
> >> +
> >> + ret = drm_hdmi_avi_infoframe_set_colorspace(&frame.avi,
> >> + adjusted_mode,
> >> + colorspace);
> >> + if (ret < 0) {
> >> + DRM_ERROR("couldn't fill AVI colorspace\n");
> >> + return;
> >> + }
> >> +
> >> + drm_hdmi_avi_infoframe_quant_range(&frame.avi, adjusted_mode,
> >> + rgb_qrange_limited,
> >> + rgb_qrange_selectable);
> >> +
> >> + intel_write_infoframe(encoder, crtc_state, &frame);
> >> +}
> >> +
> >> static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
> >> - int link_rate, uint32_t lane_count,
> >> + const struct intel_crtc_state *pipe_config,
> >> struct intel_shared_dpll *pll,
> >> bool link_mst)
> >> {
> >> @@ -2012,6 +2080,8 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
> >> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> >> enum port port = intel_ddi_get_encoder_port(encoder);
> >> struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
> >> + int link_rate = pipe_config->port_clock;
> >> + uint32_t lane_count = pipe_config->lane_count;
> >>
> >> WARN_ON(link_mst && (port == PORT_A || port == PORT_E));
> >>
> >> @@ -2030,6 +2100,14 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
> >> intel_dp_start_link_train(intel_dp);
> >> if (port != PORT_A || INTEL_GEN(dev_priv) >= 9)
> >> intel_dp_stop_link_train(intel_dp);
> >> +
> >> + if (pipe_config->lspcon_active) {
> >> + struct drm_encoder *drm_encoder = &encoder->base;
> >> + struct intel_lspcon *lspcon = enc_to_intel_lspcon(drm_encoder);
> >> +
> >> + if (lspcon->set_infoframes)
> >> + lspcon->set_infoframes(&encoder->base, pipe_config);
> >> + }
> >> }
> >>
> >> static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
> >> @@ -2072,8 +2150,7 @@ static void intel_ddi_pre_enable(struct intel_encoder *encoder,
> >>
> >> if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
> >> intel_ddi_pre_enable_dp(encoder,
> >> - pipe_config->port_clock,
> >> - pipe_config->lane_count,
> >> + pipe_config,
> >> pipe_config->shared_dpll,
> >> intel_crtc_has_type(pipe_config,
> >> INTEL_OUTPUT_DP_MST));
> >> @@ -2628,17 +2705,17 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> >> }
> >>
> >> if (init_lspcon) {
> >> - if (lspcon_init(intel_dig_port))
> >> - /* TODO: handle hdmi info frame part */
> >> + if (lspcon_init(intel_dig_port)) {
> >> DRM_DEBUG_KMS("LSPCON init success on port %c\n",
> >> port_name(port));
> >> - else
> >> + } else {
> >> /*
> >> * LSPCON init faied, but DP init was success, so
> >> * lets try to drive as DP++ port.
> >> */
> >> DRM_ERROR("LSPCON init failed on port %c\n",
> >> port_name(port));
> >> + }
> >> }
> >>
> >> return;
> >> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> >> index 40d56f2..fad9a53 100644
> >> --- a/drivers/gpu/drm/i915/intel_drv.h
> >> +++ b/drivers/gpu/drm/i915/intel_drv.h
> >> @@ -1075,6 +1075,10 @@ struct intel_lspcon {
> >> bool active;
> >> enum drm_lspcon_mode mode;
> >> enum lspcon_vendor vendor;
> >> +
> >> + /* AVI IF setup function for LSPCON */
> >> + void (*set_infoframes)(struct drm_encoder *encoder,
> >> + const struct intel_crtc_state *crtc_state);
> >> };
> >>
> >> struct intel_digital_port {
> >> @@ -1320,6 +1324,8 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder);
> >>
> >> unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
> >> int plane, unsigned int height);
> >> +void intel_ddi_set_avi_infoframe(struct drm_encoder *encoder,
> >> + const struct intel_crtc_state *crtc_state);
> >>
> >> /* intel_audio.c */
> >> void intel_init_audio_hooks(struct drm_i915_private *dev_priv);
> >> @@ -1690,6 +1696,9 @@ void intel_hdmi_handle_sink_scrambling(struct intel_encoder *intel_encoder,
> >> struct drm_connector *connector,
> >> bool high_tmds_clock_ratio,
> >> bool scrambling);
> >> +void intel_write_infoframe(struct drm_encoder *encoder,
> >> + const struct intel_crtc_state *crtc_state,
> >> + union hdmi_infoframe *frame);
> >> void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable);
> >> bool intel_hdmi_ycbcr420_config(struct drm_connector *connector,
> >> struct intel_crtc_state *config,
> >> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> >> index a08ab99..7cab86a 100644
> >> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> >> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> >> @@ -430,7 +430,7 @@ static bool hsw_infoframe_enabled(struct drm_encoder *encoder,
> >> * trick them by giving an offset into the buffer and moving back the header
> >> * bytes by one.
> >> */
> >> -static void intel_write_infoframe(struct drm_encoder *encoder,
> >> +void intel_write_infoframe(struct drm_encoder *encoder,
> >> const struct intel_crtc_state *crtc_state,
> >> union hdmi_infoframe *frame)
> >> {
> >> @@ -453,46 +453,6 @@ static void intel_write_infoframe(struct drm_encoder *encoder,
> >> intel_hdmi->write_infoframe(encoder, crtc_state, frame->any.type, buffer, len);
> >> }
> >>
> >> -static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
> >> - const struct intel_crtc_state *crtc_state)
> >> -{
> >> - struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
> >> - const struct drm_display_mode *adjusted_mode =
> >> - &crtc_state->base.adjusted_mode;
> >> - struct drm_connector *connector = &intel_hdmi->attached_connector->base;
> >> - bool is_hdmi2_sink = connector->display_info.hdmi.scdc.supported;
> >> - enum hdmi_colorspace colorspace = HDMI_COLORSPACE_RGB;
> >> - union hdmi_infoframe frame;
> >> - int ret;
> >> -
> >> - ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
> >> - adjusted_mode,
> >> - is_hdmi2_sink);
> >> - if (ret < 0) {
> >> - DRM_ERROR("couldn't fill AVI infoframe\n");
> >> - return;
> >> - }
> >> -
> >> - if (crtc_state->ycbcr420)
> >> - colorspace = HDMI_COLORSPACE_YUV420;
> >> -
> >> - ret = drm_hdmi_avi_infoframe_set_colorspace(&frame.avi,
> >> - adjusted_mode,
> >> - colorspace);
> >> - if (ret < 0) {
> >> - DRM_ERROR("couldn't fill AVI colorspace\n");
> >> - return;
> >> - }
> >> -
> >> - drm_hdmi_avi_infoframe_quant_range(&frame.avi, adjusted_mode,
> >> - crtc_state->limited_color_range ?
> >> - HDMI_QUANTIZATION_RANGE_LIMITED :
> >> - HDMI_QUANTIZATION_RANGE_FULL,
> >> - intel_hdmi->rgb_quant_range_selectable);
> >> -
> >> - intel_write_infoframe(encoder, crtc_state, &frame);
> >> -}
> >> -
> >> static void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> @@ -582,7 +542,7 @@ static void g4x_set_infoframes(struct drm_encoder *encoder,
> >> I915_WRITE(reg, val);
> >> POSTING_READ(reg);
> >>
> >> - intel_hdmi_set_avi_infoframe(encoder, crtc_state);
> >> + intel_ddi_set_avi_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_spd_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_hdmi_infoframe(encoder, crtc_state);
> >> }
> >> @@ -723,7 +683,7 @@ static void ibx_set_infoframes(struct drm_encoder *encoder,
> >> I915_WRITE(reg, val);
> >> POSTING_READ(reg);
> >>
> >> - intel_hdmi_set_avi_infoframe(encoder, crtc_state);
> >> + intel_ddi_set_avi_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_spd_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_hdmi_infoframe(encoder, crtc_state);
> >> }
> >> @@ -766,7 +726,7 @@ static void cpt_set_infoframes(struct drm_encoder *encoder,
> >> I915_WRITE(reg, val);
> >> POSTING_READ(reg);
> >>
> >> - intel_hdmi_set_avi_infoframe(encoder, crtc_state);
> >> + intel_ddi_set_avi_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_spd_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_hdmi_infoframe(encoder, crtc_state);
> >> }
> >> @@ -819,7 +779,7 @@ static void vlv_set_infoframes(struct drm_encoder *encoder,
> >> I915_WRITE(reg, val);
> >> POSTING_READ(reg);
> >>
> >> - intel_hdmi_set_avi_infoframe(encoder, crtc_state);
> >> + intel_ddi_set_avi_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_spd_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_hdmi_infoframe(encoder, crtc_state);
> >> }
> >> @@ -852,7 +812,7 @@ static void hsw_set_infoframes(struct drm_encoder *encoder,
> >> I915_WRITE(reg, val);
> >> POSTING_READ(reg);
> >>
> >> - intel_hdmi_set_avi_infoframe(encoder, crtc_state);
> >> + intel_ddi_set_avi_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_spd_infoframe(encoder, crtc_state);
> >> intel_hdmi_set_hdmi_infoframe(encoder, crtc_state);
> >> }
> >> diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c
> >> index f611b6d..53ddd39 100644
> >> --- a/drivers/gpu/drm/i915/intel_lspcon.c
> >> +++ b/drivers/gpu/drm/i915/intel_lspcon.c
> >> @@ -281,6 +281,7 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> >> }
> >>
> >> connector->ycbcr_420_allowed = true;
> >> + lspcon->set_infoframes = intel_ddi_set_avi_infoframe;
> >> drm_dp_read_desc(&dp->aux, &dp->desc, drm_dp_is_branch(dp->dpcd));
> >>
> >> DRM_DEBUG_KMS("Success: LSPCON init\n");
> >> --
> >> 2.7.4
--
Ville Syrjälä
Intel OTC
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