On 2019-11-29 at 20:54:34 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> Migrate away from the legacy encoder->crtc and connector->encoder links
> in the debugfs display_info code. Other users still remain so can't kill
> these off yet.
May be I missed why we want to kill encoder->crtc and conn->encoder.
If you dont mind please explain the reasoning.
Apart from that the implementation looks good to me.
Reviewed-by: Ramalingam C <ramalinga...@intel.com>
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display.h | 7 ++++
> drivers/gpu/drm/i915/i915_debugfs.c | 43 ++++++++++++--------
> 2 files changed, 34 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.h
> b/drivers/gpu/drm/i915/display/intel_display.h
> index a5ec5eeff056..5ed716a986ad 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.h
> +++ b/drivers/gpu/drm/i915/display/intel_display.h
> @@ -380,6 +380,13 @@ enum phy_fia {
> &(dev)->mode_config.encoder_list, \
> base.head)
>
> +#define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask)
> \
> + list_for_each_entry(intel_encoder, \
> + &(dev)->mode_config.encoder_list, \
> + base.head) \
> + for_each_if((encoder_mask) & \
> + drm_encoder_mask(&intel_encoder->base))
> +
> #define for_each_intel_dp(dev, intel_encoder) \
> for_each_intel_encoder(dev, intel_encoder) \
> for_each_if(intel_encoder_is_dp(intel_encoder))
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
> b/drivers/gpu/drm/i915/i915_debugfs.c
> index 414da0a542d6..eb80a2c4b55b 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2382,15 +2382,24 @@ static void intel_encoder_info(struct seq_file *m,
> struct intel_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = node_to_i915(m->private);
> - struct drm_device *dev = &dev_priv->drm;
> - struct intel_connector *connector;
> + struct drm_connector_list_iter conn_iter;
> + struct drm_connector *connector;
>
> seq_printf(m, "\t[ENCODER:%d:%s]: connectors:\n",
> encoder->base.base.id, encoder->base.name);
>
> - for_each_connector_on_encoder(dev, &encoder->base, connector)
> + drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
> + drm_for_each_connector_iter(connector, &conn_iter) {
> + const struct drm_connector_state *conn_state =
> + connector->state;
> +
> + if (conn_state->best_encoder != &encoder->base)
> + continue;
> +
> seq_printf(m, "\t\t[CONNECTOR:%d:%s]\n",
> - connector->base.base.id, connector->base.name);
> + connector->base.id, connector->name);
> + }
> + drm_connector_list_iter_end(&conn_iter);
> }
>
> static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
> @@ -2475,8 +2484,10 @@ static void intel_connector_info(struct seq_file *m,
> struct drm_connector *connector)
> {
> struct intel_connector *intel_connector = to_intel_connector(connector);
> - struct intel_encoder *intel_encoder = intel_connector->encoder;
> - struct drm_display_mode *mode;
> + const struct drm_connector_state *conn_state = connector->state;
> + struct intel_encoder *encoder =
> + to_intel_encoder(conn_state->best_encoder);
> + const struct drm_display_mode *mode;
>
> seq_printf(m, "[CONNECTOR:%d:%s]: status: %s\n",
> connector->base.id, connector->name,
> @@ -2492,24 +2503,24 @@ static void intel_connector_info(struct seq_file *m,
>
> drm_get_subpixel_order_name(connector->display_info.subpixel_order));
> seq_printf(m, "\tCEA rev: %d\n", connector->display_info.cea_rev);
>
> - if (!intel_encoder)
> + if (!encoder)
> return;
>
> switch (connector->connector_type) {
> case DRM_MODE_CONNECTOR_DisplayPort:
> case DRM_MODE_CONNECTOR_eDP:
> - if (intel_encoder->type == INTEL_OUTPUT_DP_MST)
> + if (encoder->type == INTEL_OUTPUT_DP_MST)
> intel_dp_mst_info(m, intel_connector);
> else
> intel_dp_info(m, intel_connector);
> break;
> case DRM_MODE_CONNECTOR_LVDS:
> - if (intel_encoder->type == INTEL_OUTPUT_LVDS)
> + if (encoder->type == INTEL_OUTPUT_LVDS)
> intel_lvds_info(m, intel_connector);
> break;
> case DRM_MODE_CONNECTOR_HDMIA:
> - if (intel_encoder->type == INTEL_OUTPUT_HDMI ||
> - intel_encoder->type == INTEL_OUTPUT_DDI)
> + if (encoder->type == INTEL_OUTPUT_HDMI ||
> + encoder->type == INTEL_OUTPUT_DDI)
> intel_hdmi_info(m, intel_connector);
> break;
> default:
> @@ -2653,6 +2664,7 @@ static void intel_crtc_info(struct seq_file *m, struct
> intel_crtc *crtc)
> struct drm_i915_private *dev_priv = node_to_i915(m->private);
> const struct intel_crtc_state *crtc_state =
> to_intel_crtc_state(crtc->base.state);
> + struct intel_encoder *encoder;
>
> seq_printf(m, "[CRTC:%d:%s]:\n",
> crtc->base.base.id, crtc->base.name);
> @@ -2663,8 +2675,6 @@ static void intel_crtc_info(struct seq_file *m, struct
> intel_crtc *crtc)
> DRM_MODE_ARG(&crtc_state->uapi.mode));
>
> if (crtc_state->hw.enable) {
> - struct intel_encoder *encoder;
> -
> seq_printf(m, "\thw: active=%s, adjusted_mode=" DRM_MODE_FMT
> "\n",
> yesno(crtc_state->hw.active),
> DRM_MODE_ARG(&crtc_state->hw.adjusted_mode));
> @@ -2673,12 +2683,13 @@ static void intel_crtc_info(struct seq_file *m,
> struct intel_crtc *crtc)
> crtc_state->pipe_src_w, crtc_state->pipe_src_h,
> yesno(crtc_state->dither), crtc_state->pipe_bpp);
>
> - for_each_encoder_on_crtc(&dev_priv->drm, &crtc->base, encoder)
> - intel_encoder_info(m, crtc, encoder);
> -
> intel_scaler_info(m, crtc);
> }
>
> + for_each_intel_encoder_mask(&dev_priv->drm, encoder,
> + crtc_state->uapi.encoder_mask)
> + intel_encoder_info(m, crtc, encoder);
> +
> intel_plane_info(m, crtc);
>
> seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s\n",
> --
> 2.23.0
>
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