diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 63aa72152f72fb9fce33ac93a50367ca6b6608d5..e14b44708728ee735227b87319b2d72349046ba5 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2870,6 +2870,115 @@ static int i915_ddb_info(struct seq_file *m, void *unused) return 0; } +static void drrs_status_per_crtc(struct seq_file *m, + struct drm_device *dev, struct intel_crtc *intel_crtc) +{ + struct intel_encoder *intel_encoder; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_drrs *drrs = &dev_priv->drrs; + int vrefresh = 0; + + for_each_encoder_on_crtc(dev, &intel_crtc->base, intel_encoder) { + /* Encoder connected on this CRTC */ + switch (intel_encoder->type) { + case INTEL_OUTPUT_EDP: + seq_puts(m, "eDP:\n"); + break; + case INTEL_OUTPUT_DSI: + seq_puts(m, "DSI:\n"); + break; + case INTEL_OUTPUT_HDMI: + seq_puts(m, "HDMI:\n"); + break; + case INTEL_OUTPUT_DISPLAYPORT: + seq_puts(m, "DP:\n"); + break; + default: + seq_printf(m, "Other encoder (id=%d).\n", + intel_encoder->type); + return; + } + } + + if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT) + seq_puts(m, "\tVBT: DRRS_type: Static"); + else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT) + seq_puts(m, "\tVBT: DRRS_type: Seamless"); + else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED) + seq_puts(m, "\tVBT: DRRS_type: None"); + else + seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value"); + + seq_puts(m, "\n\n"); + + if (intel_crtc->config->has_drrs) { + struct intel_panel *panel; + + mutex_lock(&drrs->mutex); + /* DRRS Supported */ + seq_puts(m, "\tDRRS Supported: Yes\n"); + + /* disable_drrs() will make drrs->dp NULL */ + if (!drrs->dp) { + seq_puts(m, "Idleness DRRS: Disabled"); + mutex_unlock(&drrs->mutex); + return; + } + + panel = &drrs->dp->attached_connector->panel; + seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X", + drrs->busy_frontbuffer_bits); + + seq_puts(m, "\n\t\t"); + if (drrs->refresh_rate_type == DRRS_HIGH_RR) { + seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n"); + vrefresh = panel->fixed_mode->vrefresh; + } else if (drrs->refresh_rate_type == DRRS_LOW_RR) { + seq_puts(m, "DRRS_State: DRRS_LOW_RR\n"); + vrefresh = panel->downclock_mode->vrefresh; + } else { + seq_printf(m, "DRRS_State: Unknown(%d)\n", + drrs->refresh_rate_type); + mutex_unlock(&drrs->mutex); + return; + } + seq_printf(m, "\t\tVrefresh: %d", vrefresh); + + seq_puts(m, "\n\t\t"); + mutex_unlock(&drrs->mutex); + } else { + /* DRRS not supported. Print the VBT parameter*/ + seq_puts(m, "\tDRRS Supported : No"); + } + seq_puts(m, "\n"); +} + +static int i915_drrs_status(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = m->private; + struct drm_device *dev = node->minor->dev; + struct intel_crtc *intel_crtc; + int active_crtc_cnt = 0; + + for_each_intel_crtc(dev, intel_crtc) { + drm_modeset_lock(&intel_crtc->base.mutex, NULL); + + if (intel_crtc->active) { + active_crtc_cnt++; + seq_printf(m, "\nCRTC %d: ", active_crtc_cnt); + + drrs_status_per_crtc(m, dev, intel_crtc); + } + + drm_modeset_unlock(&intel_crtc->base.mutex); + } + + if (!active_crtc_cnt) + seq_puts(m, "No active crtc found\n"); + + return 0; +} + struct pipe_crc_info { const char *name; struct drm_device *dev; @@ -4548,6 +4657,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_wa_registers", i915_wa_registers, 0}, {"i915_ddb_info", i915_ddb_info, 0}, {"i915_sseu_status", i915_sseu_status, 0}, + {"i915_drrs_status", i915_drrs_status, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)