--- /dev/null
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_debugfs.h>
+#include <drm/drm_fourcc.h>
+
+#include "i915_debugfs.h"
+#include "intel_csr.h"
+#include "intel_display_debugfs.h"
+#include "intel_display_types.h"
+#include "intel_dp.h"
+#include "intel_fbc.h"
+#include "intel_hdcp.h"
+#include "intel_hdmi.h"
+#include "intel_pm.h"
+#include "intel_psr.h"
+#include "intel_sideband.h"
+
+static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
+{
+ return to_i915(node->minor->dev);
+}
+
+static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+
+ seq_printf(m, "FB tracking busy bits: 0x%08x\n",
+ dev_priv->fb_tracking.busy_bits);
+
+ seq_printf(m, "FB tracking flip bits: 0x%08x\n",
+ dev_priv->fb_tracking.flip_bits);
+
+ return 0;
+}
+
+static int i915_fbc_status(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct intel_fbc *fbc = &dev_priv->fbc;
+ intel_wakeref_t wakeref;
+
+ if (!HAS_FBC(dev_priv))
+ return -ENODEV;
+
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+ mutex_lock(&fbc->lock);
+
+ if (intel_fbc_is_active(dev_priv))
+ seq_puts(m, "FBC enabled\n");
+ else
+ seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason);
+
+ if (intel_fbc_is_active(dev_priv)) {
+ u32 mask;
+
+ if (INTEL_GEN(dev_priv) >= 8)
+ mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK;
+ else if (INTEL_GEN(dev_priv) >= 7)
+ mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK;
+ else if (INTEL_GEN(dev_priv) >= 5)
+ mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK;
+ else if (IS_G4X(dev_priv))
+ mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK;
+ else
+ mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING |
+ FBC_STAT_COMPRESSED);
+
+ seq_printf(m, "Compressing: %s\n", yesno(mask));
+ }
+
+ mutex_unlock(&fbc->lock);
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+ return 0;
+}
+
+static int i915_fbc_false_color_get(void *data, u64 *val)
+{
+ struct drm_i915_private *dev_priv = data;
+
+ if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
+ return -ENODEV;
+
+ *val = dev_priv->fbc.false_color;
+
+ return 0;
+}
+
+static int i915_fbc_false_color_set(void *data, u64 val)
+{
+ struct drm_i915_private *dev_priv = data;
+ u32 reg;
+
+ if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
+ return -ENODEV;
+
+ mutex_lock(&dev_priv->fbc.lock);
+
+ reg = I915_READ(ILK_DPFC_CONTROL);
+ dev_priv->fbc.false_color = val;
+
+ I915_WRITE(ILK_DPFC_CONTROL, val ?
+ (reg | FBC_CTL_FALSE_COLOR) :
+ (reg & ~FBC_CTL_FALSE_COLOR));
+
+ mutex_unlock(&dev_priv->fbc.lock);
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops,
+ i915_fbc_false_color_get, i915_fbc_false_color_set,
+ "%llu\n");
+
+static int i915_ips_status(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ intel_wakeref_t wakeref;
+
+ if (!HAS_IPS(dev_priv))
+ return -ENODEV;
+
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+ seq_printf(m, "Enabled by kernel parameter: %s\n",
+ yesno(i915_modparams.enable_ips));
+
+ if (INTEL_GEN(dev_priv) >= 8) {
+ seq_puts(m, "Currently: unknown\n");
+ } else {
+ if (I915_READ(IPS_CTL) & IPS_ENABLE)
+ seq_puts(m, "Currently: enabled\n");
+ else
+ seq_puts(m, "Currently: disabled\n");
+ }
+
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+ return 0;
+}
+
+static int i915_sr_status(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ intel_wakeref_t wakeref;
+ bool sr_enabled = false;
+
+ wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ /* no global SR status; inspect per-plane WM */;
+ else if (HAS_PCH_SPLIT(dev_priv))
+ sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
+ else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) ||
+ IS_I945G(dev_priv) || IS_I945GM(dev_priv))
+ sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
+ else if (IS_I915GM(dev_priv))
+ sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
+ else if (IS_PINEVIEW(dev_priv))
+ sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
+ else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref);
+
+ seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled));
+
+ return 0;
+}
+
+static int i915_opregion(struct seq_file *m, void *unused)
+{
+ struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
+
+ if (opregion->header)
+ seq_write(m, opregion->header, OPREGION_SIZE);
+
+ return 0;
+}
+
+static int i915_vbt(struct seq_file *m, void *unused)
+{
+ struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
+
+ if (opregion->vbt)
+ seq_write(m, opregion->vbt, opregion->vbt_size);
+
+ return 0;
+}
+
+static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_device *dev = &dev_priv->drm;
+ struct intel_framebuffer *fbdev_fb = NULL;
+ struct drm_framebuffer *drm_fb;
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+ if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) {
+ fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
+
+ seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
+ fbdev_fb->base.width,
+ fbdev_fb->base.height,
+ fbdev_fb->base.format->depth,
+ fbdev_fb->base.format->cpp[0] * 8,
+ fbdev_fb->base.modifier,
+ drm_framebuffer_read_refcount(&fbdev_fb->base));
+ i915_debugfs_describe_obj(m, intel_fb_obj(&fbdev_fb->base));
+ seq_putc(m, '\n');
+ }
+#endif
+
+ mutex_lock(&dev->mode_config.fb_lock);
+ drm_for_each_fb(drm_fb, dev) {
+ struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
+ if (fb == fbdev_fb)
+ continue;
+
+ seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
+ fb->base.width,
+ fb->base.height,
+ fb->base.format->depth,
+ fb->base.format->cpp[0] * 8,
+ fb->base.modifier,
+ drm_framebuffer_read_refcount(&fb->base));
+ i915_debugfs_describe_obj(m, intel_fb_obj(&fb->base));
+ seq_putc(m, '\n');
+ }
+ mutex_unlock(&dev->mode_config.fb_lock);
+
+ return 0;
+}
+
+static int i915_psr_sink_status_show(struct seq_file *m, void *data)
+{
+ u8 val;
+ static const char * const sink_status[] = {
+ "inactive",
+ "transition to active, capture and display",
+ "active, display from RFB",
+ "active, capture and display on sink device timings",
+ "transition to inactive, capture and display, timing re-sync",
+ "reserved",
+ "reserved",
+ "sink internal error",
+ };
+ struct drm_connector *connector = m->private;
+ struct drm_i915_private *dev_priv = to_i915(connector->dev);
+ struct intel_dp *intel_dp =
+ intel_attached_dp(to_intel_connector(connector));
+ int ret;
+
+ if (!CAN_PSR(dev_priv)) {
+ seq_puts(m, "PSR Unsupported\n");
+ return -ENODEV;
+ }
+
+ if (connector->status != connector_status_connected)
+ return -ENODEV;
+
+ ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
+
+ if (ret == 1) {
+ const char *str = "unknown";
+
+ val &= DP_PSR_SINK_STATE_MASK;
+ if (val < ARRAY_SIZE(sink_status))
+ str = sink_status[val];
+ seq_printf(m, "Sink PSR status: 0x%x [%s]\n", val, str);
+ } else {
+ return ret;
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
+
+static void
+psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
+{
+ u32 val, status_val;
+ const char *status = "unknown";
+
+ if (dev_priv->psr.psr2_enabled) {
+ static const char * const live_status[] = {
+ "IDLE",
+ "CAPTURE",
+ "CAPTURE_FS",
+ "SLEEP",
+ "BUFON_FW",
+ "ML_UP",
+ "SU_STANDBY",
+ "FAST_SLEEP",
+ "DEEP_SLEEP",
+ "BUF_ON",
+ "TG_ON"
+ };
+ val = I915_READ(EDP_PSR2_STATUS(dev_priv->psr.transcoder));
+ status_val = (val & EDP_PSR2_STATUS_STATE_MASK) >>
+ EDP_PSR2_STATUS_STATE_SHIFT;
+ if (status_val < ARRAY_SIZE(live_status))
+ status = live_status[status_val];
+ } else {
+ static const char * const live_status[] = {
+ "IDLE",
+ "SRDONACK",
+ "SRDENT",
+ "BUFOFF",
+ "BUFON",
+ "AUXACK",
+ "SRDOFFACK",
+ "SRDENT_ON",
+ };
+ val = I915_READ(EDP_PSR_STATUS(dev_priv->psr.transcoder));
+ status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
+ EDP_PSR_STATUS_STATE_SHIFT;
+ if (status_val < ARRAY_SIZE(live_status))
+ status = live_status[status_val];
+ }
+
+ seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
+}
+
+static int i915_edp_psr_status(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct i915_psr *psr = &dev_priv->psr;
+ intel_wakeref_t wakeref;
+ const char *status;
+ bool enabled;
+ u32 val;
+
+ if (!HAS_PSR(dev_priv))
+ return -ENODEV;
+
+ seq_printf(m, "Sink support: %s", yesno(psr->sink_support));
+ if (psr->dp)
+ seq_printf(m, " [0x%02x]", psr->dp->psr_dpcd[0]);
+ seq_puts(m, "\n");
+
+ if (!psr->sink_support)
+ return 0;
+
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+ mutex_lock(&psr->lock);
+
+ if (psr->enabled)
+ status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled";
+ else
+ status = "disabled";
+ seq_printf(m, "PSR mode: %s\n", status);
+
+ if (!psr->enabled) {
+ seq_printf(m, "PSR sink not reliable: %s\n",
+ yesno(psr->sink_not_reliable));
+
+ goto unlock;
+ }
+
+ if (psr->psr2_enabled) {
+ val = I915_READ(EDP_PSR2_CTL(dev_priv->psr.transcoder));
+ enabled = val & EDP_PSR2_ENABLE;
+ } else {
+ val = I915_READ(EDP_PSR_CTL(dev_priv->psr.transcoder));
+ enabled = val & EDP_PSR_ENABLE;
+ }
+ seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
+ enableddisabled(enabled), val);
+ psr_source_status(dev_priv, m);
+ seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
+ psr->busy_frontbuffer_bits);
+
+ /*
+ * SKL+ Perf counter is reset to 0 everytime DC state is entered
+ */
+ if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
+ val = I915_READ(EDP_PSR_PERF_CNT(dev_priv->psr.transcoder));
+ val &= EDP_PSR_PERF_CNT_MASK;
+ seq_printf(m, "Performance counter: %u\n", val);
+ }
+
+ if (psr->debug & I915_PSR_DEBUG_IRQ) {
+ seq_printf(m, "Last attempted entry at: %lld\n",
+ psr->last_entry_attempt);
+ seq_printf(m, "Last exit at: %lld\n", psr->last_exit);
+ }
+
+ if (psr->psr2_enabled) {
+ u32 su_frames_val[3];
+ int frame;
+
+ /*
+ * Reading all 3 registers before hand to minimize crossing a
+ * frame boundary between register reads
+ */
+ for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) {
+ val = I915_READ(PSR2_SU_STATUS(dev_priv->psr.transcoder,
+ frame));
+ su_frames_val[frame / 3] = val;
+ }
+
+ seq_puts(m, "Frame:\tPSR2 SU blocks:\n");
+
+ for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame++) {
+ u32 su_blocks;
+
+ su_blocks = su_frames_val[frame / 3] &
+ PSR2_SU_STATUS_MASK(frame);
+ su_blocks = su_blocks >> PSR2_SU_STATUS_SHIFT(frame);
+ seq_printf(m, "%d\t%d\n", frame, su_blocks);
+ }
+ }
+
+unlock:
+ mutex_unlock(&psr->lock);
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+ return 0;
+}
+
+static int
+i915_edp_psr_debug_set(void *data, u64 val)
+{
+ struct drm_i915_private *dev_priv = data;
+ intel_wakeref_t wakeref;
+ int ret;
+
+ if (!CAN_PSR(dev_priv))
+ return -ENODEV;
+
+ drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
+
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+ ret = intel_psr_debug_set(dev_priv, val);
+
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+ return ret;
+}
+
+static int
+i915_edp_psr_debug_get(void *data, u64 *val)
+{
+ struct drm_i915_private *dev_priv = data;
+
+ if (!CAN_PSR(dev_priv))
+ return -ENODEV;
+
+ *val = READ_ONCE(dev_priv->psr.debug);
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
+ i915_edp_psr_debug_get, i915_edp_psr_debug_set,
+ "%llu\n");
+
+static int i915_power_domain_info(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct i915_power_domains *power_domains = &dev_priv->power_domains;
+ int i;
+
+ mutex_lock(&power_domains->lock);
+
+ seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
+ for (i = 0; i < power_domains->power_well_count; i++) {
+ struct i915_power_well *power_well;
+ enum intel_display_power_domain power_domain;
+
+ power_well = &power_domains->power_wells[i];
+ seq_printf(m, "%-25s %d\n", power_well->desc->name,
+ power_well->count);
+
+ for_each_power_domain(power_domain, power_well->desc->domains)
+ seq_printf(m, " %-23s %d\n",
+ intel_display_power_domain_str(power_domain),
+ power_domains->domain_use_count[power_domain]);
+ }
+
+ mutex_unlock(&power_domains->lock);
+
+ return 0;
+}
+
+static int i915_dmc_info(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ intel_wakeref_t wakeref;
+ struct intel_csr *csr;
+ i915_reg_t dc5_reg, dc6_reg = {};
+
+ if (!HAS_CSR(dev_priv))
+ return -ENODEV;
+
+ csr = &dev_priv->csr;
+
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+ seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
+ seq_printf(m, "path: %s\n", csr->fw_path);
+
+ if (!csr->dmc_payload)
+ goto out;
+
+ seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
+ CSR_VERSION_MINOR(csr->version));
+
+ if (INTEL_GEN(dev_priv) >= 12) {
+ dc5_reg = TGL_DMC_DEBUG_DC5_COUNT;
+ dc6_reg = TGL_DMC_DEBUG_DC6_COUNT;
+ /*
+ * NOTE: DMC_DEBUG3 is a general purpose reg.
+ * According to B.Specs:49196 DMC f/w reuses DC5/6 counter
+ * reg for DC3CO debugging and validation,
+ * but TGL DMC f/w is using DMC_DEBUG3 reg for DC3CO counter.
+ */
+ seq_printf(m, "DC3CO count: %d\n", I915_READ(DMC_DEBUG3));
+ } else {
+ dc5_reg = IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
+ SKL_CSR_DC3_DC5_COUNT;
+ if (!IS_GEN9_LP(dev_priv))
+ dc6_reg = SKL_CSR_DC5_DC6_COUNT;
+ }
+
+ seq_printf(m, "DC3 -> DC5 count: %d\n", I915_READ(dc5_reg));
+ if (dc6_reg.reg)
+ seq_printf(m, "DC5 -> DC6 count: %d\n", I915_READ(dc6_reg));
+
+out:
+ seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
+ seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
+ seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
+
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+ return 0;
+}
+
+static void intel_seq_print_mode(struct seq_file *m, int tabs,
+ const struct drm_display_mode *mode)
+{
+ int i;
+
+ for (i = 0; i < tabs; i++)
+ seq_putc(m, '\t');
+
+ seq_printf(m, DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+}
+
+static void intel_encoder_info(struct seq_file *m,
+ struct intel_crtc *crtc,
+ struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ 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);
+
+ 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.id, connector->name);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+}
+
+static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
+{
+ const struct drm_display_mode *mode = panel->fixed_mode;
+
+ seq_printf(m, "\tfixed mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+}
+
+static void intel_hdcp_info(struct seq_file *m,
+ struct intel_connector *intel_connector)
+{
+ bool hdcp_cap, hdcp2_cap;
+
+ hdcp_cap = intel_hdcp_capable(intel_connector);
+ hdcp2_cap = intel_hdcp2_capable(intel_connector);
+
+ if (hdcp_cap)
+ seq_puts(m, "HDCP1.4 ");
+ if (hdcp2_cap)
+ seq_puts(m, "HDCP2.2 ");
+
+ if (!hdcp_cap && !hdcp2_cap)
+ seq_puts(m, "None");
+
+ seq_puts(m, "\n");
+}
+
+static void intel_dp_info(struct seq_file *m,
+ struct intel_connector *intel_connector)
+{
+ struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
+ struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);
+
+ seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
+ seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
+ if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
+ intel_panel_info(m, &intel_connector->panel);
+
+ drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
+ &intel_dp->aux);
+ if (intel_connector->hdcp.shim) {
+ seq_puts(m, "\tHDCP version: ");
+ intel_hdcp_info(m, intel_connector);
+ }
+}
+
+static void intel_dp_mst_info(struct seq_file *m,
+ struct intel_connector *intel_connector)
+{
+ struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
+ struct intel_dp_mst_encoder *intel_mst =
+ enc_to_mst(intel_encoder);
+ struct intel_digital_port *intel_dig_port = intel_mst->primary;
+ struct intel_dp *intel_dp = &intel_dig_port->dp;
+ bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
+ intel_connector->port);
+
+ seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
+}
+
+static void intel_hdmi_info(struct seq_file *m,
+ struct intel_connector *intel_connector)
+{
+ struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
+ struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(intel_encoder);
+
+ seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
+ if (intel_connector->hdcp.shim) {
+ seq_puts(m, "\tHDCP version: ");
+ intel_hdcp_info(m, intel_connector);
+ }
+}
+
+static void intel_lvds_info(struct seq_file *m,
+ struct intel_connector *intel_connector)
+{
+ intel_panel_info(m, &intel_connector->panel);
+}
+
+static void intel_connector_info(struct seq_file *m,
+ struct drm_connector *connector)
+{
+ struct intel_connector *intel_connector = to_intel_connector(connector);
+ 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,
+ drm_get_connector_status_name(connector->status));
+
+ if (connector->status == connector_status_disconnected)
+ return;
+
+ seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
+ connector->display_info.width_mm,
+ connector->display_info.height_mm);
+ seq_printf(m, "\tsubpixel order: %s\n",
+ drm_get_subpixel_order_name(connector->display_info.subpixel_order));
+ seq_printf(m, "\tCEA rev: %d\n", connector->display_info.cea_rev);
+
+ if (!encoder)
+ return;
+
+ switch (connector->connector_type) {
+ case DRM_MODE_CONNECTOR_DisplayPort:
+ case DRM_MODE_CONNECTOR_eDP:
+ 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 (encoder->type == INTEL_OUTPUT_LVDS)
+ intel_lvds_info(m, intel_connector);
+ break;
+ case DRM_MODE_CONNECTOR_HDMIA:
+ if (encoder->type == INTEL_OUTPUT_HDMI ||
+ encoder->type == INTEL_OUTPUT_DDI)
+ intel_hdmi_info(m, intel_connector);
+ break;
+ default:
+ break;
+ }
+
+ seq_printf(m, "\tmodes:\n");
+ list_for_each_entry(mode, &connector->modes, head)
+ intel_seq_print_mode(m, 2, mode);
+}
+
+static const char *plane_type(enum drm_plane_type type)
+{
+ switch (type) {
+ case DRM_PLANE_TYPE_OVERLAY:
+ return "OVL";
+ case DRM_PLANE_TYPE_PRIMARY:
+ return "PRI";
+ case DRM_PLANE_TYPE_CURSOR:
+ return "CUR";
+ /*
+ * Deliberately omitting default: to generate compiler warnings
+ * when a new drm_plane_type gets added.
+ */
+ }
+
+ return "unknown";
+}
+
+static void plane_rotation(char *buf, size_t bufsize, unsigned int rotation)
+{
+ /*
+ * According to doc only one DRM_MODE_ROTATE_ is allowed but this
+ * will print them all to visualize if the values are misused
+ */
+ snprintf(buf, bufsize,
+ "%s%s%s%s%s%s(0x%08x)",
+ (rotation & DRM_MODE_ROTATE_0) ? "0 " : "",
+ (rotation & DRM_MODE_ROTATE_90) ? "90 " : "",
+ (rotation & DRM_MODE_ROTATE_180) ? "180 " : "",
+ (rotation & DRM_MODE_ROTATE_270) ? "270 " : "",
+ (rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "",
+ (rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "",
+ rotation);
+}
+
+static void intel_plane_uapi_info(struct seq_file *m, struct intel_plane *plane)
+{
+ const struct intel_plane_state *plane_state =
+ to_intel_plane_state(plane->base.state);
+ const struct drm_framebuffer *fb = plane_state->uapi.fb;
+ struct drm_format_name_buf format_name;
+ struct drm_rect src, dst;
+ char rot_str[48];
+
+ src = drm_plane_state_src(&plane_state->uapi);
+ dst = drm_plane_state_dest(&plane_state->uapi);
+
+ if (fb)
+ drm_get_format_name(fb->format->format, &format_name);
+
+ plane_rotation(rot_str, sizeof(rot_str),
+ plane_state->uapi.rotation);
+
+ seq_printf(m, "\t\tuapi: fb=%d,%s,%dx%d, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
+ fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
+ fb ? fb->width : 0, fb ? fb->height : 0,
+ DRM_RECT_FP_ARG(&src),
+ DRM_RECT_ARG(&dst),
+ rot_str);
+}
+
+static void intel_plane_hw_info(struct seq_file *m, struct intel_plane *plane)
+{
+ const struct intel_plane_state *plane_state =
+ to_intel_plane_state(plane->base.state);
+ const struct drm_framebuffer *fb = plane_state->hw.fb;
+ struct drm_format_name_buf format_name;
+ char rot_str[48];
+
+ if (!fb)
+ return;
+
+ drm_get_format_name(fb->format->format, &format_name);
+
+ plane_rotation(rot_str, sizeof(rot_str),
+ plane_state->hw.rotation);
+
+ seq_printf(m, "\t\thw: fb=%d,%s,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
+ fb->base.id, format_name.str,
+ fb->width, fb->height,
+ yesno(plane_state->uapi.visible),
+ DRM_RECT_FP_ARG(&plane_state->uapi.src),
+ DRM_RECT_ARG(&plane_state->uapi.dst),
+ rot_str);
+}
+
+static void intel_plane_info(struct seq_file *m, struct intel_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct intel_plane *plane;
+
+ for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) {
+ seq_printf(m, "\t[PLANE:%d:%s]: type=%s\n",
+ plane->base.base.id, plane->base.name,
+ plane_type(plane->base.type));
+ intel_plane_uapi_info(m, plane);
+ intel_plane_hw_info(m, plane);
+ }
+}
+
+static void intel_scaler_info(struct seq_file *m, struct intel_crtc *crtc)
+{
+ const struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
+ int num_scalers = crtc->num_scalers;
+ int i;
+
+ /* Not all platformas have a scaler */
+ if (num_scalers) {
+ seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
+ num_scalers,
+ crtc_state->scaler_state.scaler_users,
+ crtc_state->scaler_state.scaler_id);
+
+ for (i = 0; i < num_scalers; i++) {
+ const struct intel_scaler *sc =
+ &crtc_state->scaler_state.scalers[i];
+
+ seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
+ i, yesno(sc->in_use), sc->mode);
+ }
+ seq_puts(m, "\n");
+ } else {
+ seq_puts(m, "\tNo scalers available on this platform\n");
+ }
+}
+
+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);
+
+ seq_printf(m, "\tuapi: enable=%s, active=%s, mode=" DRM_MODE_FMT "\n",
+ yesno(crtc_state->uapi.enable),
+ yesno(crtc_state->uapi.active),
+ DRM_MODE_ARG(&crtc_state->uapi.mode));
+
+ if (crtc_state->hw.enable) {
+ 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));
+
+ seq_printf(m, "\tpipe src size=%dx%d, dither=%s, bpp=%d\n",
+ crtc_state->pipe_src_w, crtc_state->pipe_src_h,
+ yesno(crtc_state->dither), crtc_state->pipe_bpp);
+
+ 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",
+ yesno(!crtc->cpu_fifo_underrun_disabled),
+ yesno(!crtc->pch_fifo_underrun_disabled));
+}
+
+static int i915_display_info(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_device *dev = &dev_priv->drm;
+ struct intel_crtc *crtc;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ intel_wakeref_t wakeref;
+
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+ drm_modeset_lock_all(dev);
+
+ seq_printf(m, "CRTC info\n");
+ seq_printf(m, "---------\n");
+ for_each_intel_crtc(dev, crtc)
+ intel_crtc_info(m, crtc);
+
+ seq_printf(m, "\n");
+ seq_printf(m, "Connector info\n");
+ seq_printf(m, "--------------\n");
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter)
+ intel_connector_info(m, connector);
+ drm_connector_list_iter_end(&conn_iter);
+
+ drm_modeset_unlock_all(dev);
+
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+ return 0;
+}
+
+static int i915_shared_dplls_info(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_device *dev = &dev_priv->drm;
+ int i;
+
+ drm_modeset_lock_all(dev);
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
+
+ seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name,
+ pll->info->id);
+ seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
+ pll->state.crtc_mask, pll->active_mask, yesno(pll->on));
+ seq_printf(m, " tracked hardware state:\n");
+ seq_printf(m, " dpll: 0x%08x\n", pll->state.hw_state.dpll);
+ seq_printf(m, " dpll_md: 0x%08x\n",
+ pll->state.hw_state.dpll_md);
+ seq_printf(m, " fp0: 0x%08x\n", pll->state.hw_state.fp0);
+ seq_printf(m, " fp1: 0x%08x\n", pll->state.hw_state.fp1);
+ seq_printf(m, " wrpll: 0x%08x\n", pll->state.hw_state.wrpll);
+ seq_printf(m, " cfgcr0: 0x%08x\n", pll->state.hw_state.cfgcr0);
+ seq_printf(m, " cfgcr1: 0x%08x\n", pll->state.hw_state.cfgcr1);
+ seq_printf(m, " mg_refclkin_ctl: 0x%08x\n",
+ pll->state.hw_state.mg_refclkin_ctl);
+ seq_printf(m, " mg_clktop2_coreclkctl1: 0x%08x\n",
+ pll->state.hw_state.mg_clktop2_coreclkctl1);
+ seq_printf(m, " mg_clktop2_hsclkctl: 0x%08x\n",
+ pll->state.hw_state.mg_clktop2_hsclkctl);
+ seq_printf(m, " mg_pll_div0: 0x%08x\n",
+ pll->state.hw_state.mg_pll_div0);
+ seq_printf(m, " mg_pll_div1: 0x%08x\n",
+ pll->state.hw_state.mg_pll_div1);
+ seq_printf(m, " mg_pll_lf: 0x%08x\n",
+ pll->state.hw_state.mg_pll_lf);
+ seq_printf(m, " mg_pll_frac_lock: 0x%08x\n",
+ pll->state.hw_state.mg_pll_frac_lock);
+ seq_printf(m, " mg_pll_ssc: 0x%08x\n",
+ pll->state.hw_state.mg_pll_ssc);
+ seq_printf(m, " mg_pll_bias: 0x%08x\n",
+ pll->state.hw_state.mg_pll_bias);
+ seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
+ pll->state.hw_state.mg_pll_tdc_coldst_bias);
+ }
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
+static int i915_ipc_status_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+
+ seq_printf(m, "Isochronous Priority Control: %s\n",
+ yesno(dev_priv->ipc_enabled));
+ return 0;
+}
+
+static int i915_ipc_status_open(struct inode *inode, struct file *file)
+{
+ struct drm_i915_private *dev_priv = inode->i_private;
+
+ if (!HAS_IPC(dev_priv))
+ return -ENODEV;
+
+ return single_open(file, i915_ipc_status_show, dev_priv);
+}
+
+static ssize_t i915_ipc_status_write(struct file *file, const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ intel_wakeref_t wakeref;
+ bool enable;
+ int ret;
+
+ ret = kstrtobool_from_user(ubuf, len, &enable);
+ if (ret < 0)
+ return ret;
+
+ with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
+ if (!dev_priv->ipc_enabled && enable)
+ drm_info(&dev_priv->drm,
+ "Enabling IPC: WM will be proper only after next commit\n");
+ dev_priv->wm.distrust_bios_wm = true;
+ dev_priv->ipc_enabled = enable;
+ intel_enable_ipc(dev_priv);
+ }
+
+ return len;
+}
+
+static const struct file_operations i915_ipc_status_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_ipc_status_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_ipc_status_write
+};
+
+static int i915_ddb_info(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_device *dev = &dev_priv->drm;
+ struct skl_ddb_entry *entry;
+ struct intel_crtc *crtc;
+
+ if (INTEL_GEN(dev_priv) < 9)
+ return -ENODEV;
+
+ drm_modeset_lock_all(dev);
+
+ seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
+
+ for_each_intel_crtc(&dev_priv->drm, crtc) {
+ struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
+ enum pipe pipe = crtc->pipe;
+ enum plane_id plane_id;
+
+ seq_printf(m, "Pipe %c\n", pipe_name(pipe));
+
+ for_each_plane_id_on_crtc(crtc, plane_id) {
+ entry = &crtc_state->wm.skl.plane_ddb_y[plane_id];
+ seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane_id + 1,
+ entry->start, entry->end,
+ skl_ddb_entry_size(entry));
+ }
+
+ entry = &crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR];
+ seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start,
+ entry->end, skl_ddb_entry_size(entry));
+ }
+
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
+static void drrs_status_per_crtc(struct seq_file *m,
+ struct drm_device *dev,
+ struct intel_crtc *intel_crtc)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct i915_drrs *drrs = &dev_priv->drrs;
+ int vrefresh = 0;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ if (connector->state->crtc != &intel_crtc->base)
+ continue;
+
+ seq_printf(m, "%s:\n", connector->name);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ seq_puts(m, "\n");
+
+ if (to_intel_crtc_state(intel_crtc->base.state)->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\n");
+ if (dev_priv->psr.enabled)
+ seq_puts(m,
+ "\tAs PSR is enabled, DRRS is not enabled\n");
+ 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_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_device *dev = &dev_priv->drm;
+ struct intel_crtc *intel_crtc;
+ int active_crtc_cnt = 0;
+
+ drm_modeset_lock_all(dev);
+ for_each_intel_crtc(dev, intel_crtc) {
+ if (intel_crtc->base.state->active) {
+ active_crtc_cnt++;
+ seq_printf(m, "\nCRTC %d: ", active_crtc_cnt);
+
+ drrs_status_per_crtc(m, dev, intel_crtc);
+ }
+ }
+ drm_modeset_unlock_all(dev);
+
+ if (!active_crtc_cnt)
+ seq_puts(m, "No active crtc found\n");
+
+ return 0;
+}
+
+static int i915_dp_mst_info(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_device *dev = &dev_priv->drm;
+ struct intel_encoder *intel_encoder;
+ struct intel_digital_port *intel_dig_port;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ intel_encoder = intel_attached_encoder(to_intel_connector(connector));
+ if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ intel_dig_port = enc_to_dig_port(intel_encoder);
+ if (!intel_dig_port->dp.can_mst)
+ continue;
+
+ seq_printf(m, "MST Source Port [ENCODER:%d:%s]\n",
+ intel_dig_port->base.base.base.id,
+ intel_dig_port->base.base.name);
+ drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+
+static ssize_t i915_displayport_test_active_write(struct file *file,
+ const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ char *input_buffer;
+ int status = 0;
+ struct drm_device *dev;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+ int val = 0;
+
+ dev = ((struct seq_file *)file->private_data)->private;
+
+ if (len == 0)
+ return 0;
+
+ input_buffer = memdup_user_nul(ubuf, len);
+ if (IS_ERR(input_buffer))
+ return PTR_ERR(input_buffer);
+
+ drm_dbg(&to_i915(dev)->drm,
+ "Copied %d bytes from user\n", (unsigned int)len);
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ status = kstrtoint(input_buffer, 10, &val);
+ if (status < 0)
+ break;
+ drm_dbg(&to_i915(dev)->drm,
+ "Got %d for test active\n", val);
+ /* To prevent erroneous activation of the compliance
+ * testing code, only accept an actual value of 1 here
+ */
+ if (val == 1)
+ intel_dp->compliance.test_active = true;
+ else
+ intel_dp->compliance.test_active = false;
+ }
+ }
+ drm_connector_list_iter_end(&conn_iter);
+ kfree(input_buffer);
+ if (status < 0)
+ return status;
+
+ *offp += len;
+ return len;
+}
+
+static int i915_displayport_test_active_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_device *dev = &dev_priv->drm;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ if (intel_dp->compliance.test_active)
+ seq_puts(m, "1");
+ else
+ seq_puts(m, "0");
+ } else
+ seq_puts(m, "0");
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+
+static int i915_displayport_test_active_open(struct inode *inode,
+ struct file *file)
+{
+ return single_open(file, i915_displayport_test_active_show,
+ inode->i_private);
+}
+
+static const struct file_operations i915_displayport_test_active_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_displayport_test_active_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_displayport_test_active_write
+};
+
+static int i915_displayport_test_data_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_device *dev = &dev_priv->drm;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ if (intel_dp->compliance.test_type ==
+ DP_TEST_LINK_EDID_READ)
+ seq_printf(m, "%lx",
+ intel_dp->compliance.test_data.edid);
+ else if (intel_dp->compliance.test_type ==
+ DP_TEST_LINK_VIDEO_PATTERN) {
+ seq_printf(m, "hdisplay: %d\n",
+ intel_dp->compliance.test_data.hdisplay);
+ seq_printf(m, "vdisplay: %d\n",
+ intel_dp->compliance.test_data.vdisplay);
+ seq_printf(m, "bpc: %u\n",
+ intel_dp->compliance.test_data.bpc);
+ }
+ } else
+ seq_puts(m, "0");
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
+
+static int i915_displayport_test_type_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_device *dev = &dev_priv->drm;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ seq_printf(m, "%02lx", intel_dp->compliance.test_type);
+ } else
+ seq_puts(m, "0");
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
+
+static void wm_latency_show(struct seq_file *m, const u16 wm[8])
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_device *dev = &dev_priv->drm;
+ int level;
+ int num_levels;
+
+ if (IS_CHERRYVIEW(dev_priv))
+ num_levels = 3;
+ else if (IS_VALLEYVIEW(dev_priv))
+ num_levels = 1;
+ else if (IS_G4X(dev_priv))
+ num_levels = 3;
+ else
+ num_levels = ilk_wm_max_level(dev_priv) + 1;
+
+ drm_modeset_lock_all(dev);
+
+ for (level = 0; level < num_levels; level++) {
+ unsigned int latency = wm[level];
+
+ /*
+ * - WM1+ latency values in 0.5us units
+ * - latencies are in us on gen9/vlv/chv
+ */
+ if (INTEL_GEN(dev_priv) >= 9 ||
+ IS_VALLEYVIEW(dev_priv) ||
+ IS_CHERRYVIEW(dev_priv) ||
+ IS_G4X(dev_priv))
+ latency *= 10;
+ else if (level > 0)
+ latency *= 5;
+
+ seq_printf(m, "WM%d %u (%u.%u usec)\n",
+ level, wm[level], latency / 10, latency % 10);
+ }
+
+ drm_modeset_unlock_all(dev);
+}
+
+static int pri_wm_latency_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ const u16 *latencies;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ latencies = dev_priv->wm.skl_latency;
+ else
+ latencies = dev_priv->wm.pri_latency;
+
+ wm_latency_show(m, latencies);
+
+ return 0;
+}
+
+static int spr_wm_latency_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ const u16 *latencies;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ latencies = dev_priv->wm.skl_latency;
+ else
+ latencies = dev_priv->wm.spr_latency;
+
+ wm_latency_show(m, latencies);
+
+ return 0;
+}
+
+static int cur_wm_latency_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ const u16 *latencies;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ latencies = dev_priv->wm.skl_latency;
+ else
+ latencies = dev_priv->wm.cur_latency;
+
+ wm_latency_show(m, latencies);
+
+ return 0;
+}
+
+static int pri_wm_latency_open(struct inode *inode, struct file *file)
+{
+ struct drm_i915_private *dev_priv = inode->i_private;
+
+ if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
+ return -ENODEV;
+
+ return single_open(file, pri_wm_latency_show, dev_priv);
+}
+
+static int spr_wm_latency_open(struct inode *inode, struct file *file)
+{
+ struct drm_i915_private *dev_priv = inode->i_private;
+
+ if (HAS_GMCH(dev_priv))
+ return -ENODEV;
+
+ return single_open(file, spr_wm_latency_show, dev_priv);
+}
+
+static int cur_wm_latency_open(struct inode *inode, struct file *file)
+{
+ struct drm_i915_private *dev_priv = inode->i_private;
+
+ if (HAS_GMCH(dev_priv))
+ return -ENODEV;
+
+ return single_open(file, cur_wm_latency_show, dev_priv);
+}
+
+static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
+ size_t len, loff_t *offp, u16 wm[8])
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_device *dev = &dev_priv->drm;
+ u16 new[8] = { 0 };
+ int num_levels;
+ int level;
+ int ret;
+ char tmp[32];
+
+ if (IS_CHERRYVIEW(dev_priv))
+ num_levels = 3;
+ else if (IS_VALLEYVIEW(dev_priv))
+ num_levels = 1;
+ else if (IS_G4X(dev_priv))
+ num_levels = 3;
+ else
+ num_levels = ilk_wm_max_level(dev_priv) + 1;
+
+ if (len >= sizeof(tmp))
+ return -EINVAL;
+
+ if (copy_from_user(tmp, ubuf, len))
+ return -EFAULT;
+
+ tmp[len] = '\0';
+
+ ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
+ &new[0], &new[1], &new[2], &new[3],
+ &new[4], &new[5], &new[6], &new[7]);
+ if (ret != num_levels)
+ return -EINVAL;
+
+ drm_modeset_lock_all(dev);
+
+ for (level = 0; level < num_levels; level++)
+ wm[level] = new[level];
+
+ drm_modeset_unlock_all(dev);
+
+ return len;
+}
+
+
+static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ u16 *latencies;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ latencies = dev_priv->wm.skl_latency;
+ else
+ latencies = dev_priv->wm.pri_latency;
+
+ return wm_latency_write(file, ubuf, len, offp, latencies);
+}
+
+static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ u16 *latencies;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ latencies = dev_priv->wm.skl_latency;
+ else
+ latencies = dev_priv->wm.spr_latency;
+
+ return wm_latency_write(file, ubuf, len, offp, latencies);
+}
+
+static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ u16 *latencies;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ latencies = dev_priv->wm.skl_latency;
+ else
+ latencies = dev_priv->wm.cur_latency;
+
+ return wm_latency_write(file, ubuf, len, offp, latencies);
+}
+
+static const struct file_operations i915_pri_wm_latency_fops = {
+ .owner = THIS_MODULE,
+ .open = pri_wm_latency_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = pri_wm_latency_write
+};
+
+static const struct file_operations i915_spr_wm_latency_fops = {
+ .owner = THIS_MODULE,
+ .open = spr_wm_latency_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = spr_wm_latency_write
+};
+
+static const struct file_operations i915_cur_wm_latency_fops = {
+ .owner = THIS_MODULE,
+ .open = cur_wm_latency_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = cur_wm_latency_write
+};
+
+static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct i915_hotplug *hotplug = &dev_priv->hotplug;
+
+ /* Synchronize with everything first in case there's been an HPD
+ * storm, but we haven't finished handling it in the kernel yet
+ */
+ intel_synchronize_irq(dev_priv);
+ flush_work(&dev_priv->hotplug.dig_port_work);
+ flush_delayed_work(&dev_priv->hotplug.hotplug_work);
+
+ seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
+ seq_printf(m, "Detected: %s\n",
+ yesno(delayed_work_pending(&hotplug->reenable_work)));
+
+ return 0;
+}
+
+static ssize_t i915_hpd_storm_ctl_write(struct file *file,
+ const char __user *ubuf, size_t len,
+ loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ struct i915_hotplug *hotplug = &dev_priv->hotplug;
+ unsigned int new_threshold;
+ int i;
+ char *newline;
+ char tmp[16];
+
+ if (len >= sizeof(tmp))
+ return -EINVAL;
+
+ if (copy_from_user(tmp, ubuf, len))
+ return -EFAULT;
+
+ tmp[len] = '\0';
+
+ /* Strip newline, if any */
+ newline = strchr(tmp, '\n');
+ if (newline)
+ *newline = '\0';
+
+ if (strcmp(tmp, "reset") == 0)
+ new_threshold = HPD_STORM_DEFAULT_THRESHOLD;
+ else if (kstrtouint(tmp, 10, &new_threshold) != 0)
+ return -EINVAL;
+
+ if (new_threshold > 0)
+ drm_dbg_kms(&dev_priv->drm,
+ "Setting HPD storm detection threshold to %d\n",
+ new_threshold);
+ else
+ drm_dbg_kms(&dev_priv->drm, "Disabling HPD storm detection\n");
+
+ spin_lock_irq(&dev_priv->irq_lock);
+ hotplug->hpd_storm_threshold = new_threshold;
+ /* Reset the HPD storm stats so we don't accidentally trigger a storm */
+ for_each_hpd_pin(i)
+ hotplug->stats[i].count = 0;
+ spin_unlock_irq(&dev_priv->irq_lock);
+
+ /* Re-enable hpd immediately if we were in an irq storm */
+ flush_delayed_work(&dev_priv->hotplug.reenable_work);
+
+ return len;
+}
+
+static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
+}
+
+static const struct file_operations i915_hpd_storm_ctl_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_hpd_storm_ctl_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_hpd_storm_ctl_write
+};
+
+static int i915_hpd_short_storm_ctl_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+
+ seq_printf(m, "Enabled: %s\n",
+ yesno(dev_priv->hotplug.hpd_short_storm_enabled));
+
+ return 0;
+}
+
+static int
+i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, i915_hpd_short_storm_ctl_show,
+ inode->i_private);
+}
+
+static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
+ const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ struct i915_hotplug *hotplug = &dev_priv->hotplug;
+ char *newline;
+ char tmp[16];
+ int i;
+ bool new_state;
+
+ if (len >= sizeof(tmp))
+ return -EINVAL;
+
+ if (copy_from_user(tmp, ubuf, len))
+ return -EFAULT;
+
+ tmp[len] = '\0';
+
+ /* Strip newline, if any */
+ newline = strchr(tmp, '\n');
+ if (newline)
+ *newline = '\0';
+
+ /* Reset to the "default" state for this system */
+ if (strcmp(tmp, "reset") == 0)
+ new_state = !HAS_DP_MST(dev_priv);
+ else if (kstrtobool(tmp, &new_state) != 0)
+ return -EINVAL;
+
+ drm_dbg_kms(&dev_priv->drm, "%sabling HPD short storm detection\n",
+ new_state ? "En" : "Dis");
+
+ spin_lock_irq(&dev_priv->irq_lock);
+ hotplug->hpd_short_storm_enabled = new_state;
+ /* Reset the HPD storm stats so we don't accidentally trigger a storm */
+ for_each_hpd_pin(i)
+ hotplug->stats[i].count = 0;
+ spin_unlock_irq(&dev_priv->irq_lock);
+
+ /* Re-enable hpd immediately if we were in an irq storm */
+ flush_delayed_work(&dev_priv->hotplug.reenable_work);
+
+ return len;
+}
+
+static const struct file_operations i915_hpd_short_storm_ctl_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_hpd_short_storm_ctl_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_hpd_short_storm_ctl_write,
+};
+
+static int i915_drrs_ctl_set(void *data, u64 val)
+{
+ struct drm_i915_private *dev_priv = data;
+ struct drm_device *dev = &dev_priv->drm;
+ struct intel_crtc *crtc;
+
+ if (INTEL_GEN(dev_priv) < 7)
+ return -ENODEV;
+
+ for_each_intel_crtc(dev, crtc) {
+ struct drm_connector_list_iter conn_iter;
+ struct intel_crtc_state *crtc_state;
+ struct drm_connector *connector;
+ struct drm_crtc_commit *commit;
+ int ret;
+
+ ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);
+ if (ret)
+ return ret;
+
+ crtc_state = to_intel_crtc_state(crtc->base.state);
+
+ if (!crtc_state->hw.active ||
+ !crtc_state->has_drrs)
+ goto out;
+
+ commit = crtc_state->uapi.commit;
+ if (commit) {
+ ret = wait_for_completion_interruptible(&commit->hw_done);
+ if (ret)
+ goto out;
+ }
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+ struct intel_dp *intel_dp;
+
+ if (!(crtc_state->uapi.connector_mask &
+ drm_connector_mask(connector)))
+ continue;
+
+ encoder = intel_attached_encoder(to_intel_connector(connector));
+ if (encoder->type != INTEL_OUTPUT_EDP)
+ continue;
+
+ drm_dbg(&dev_priv->drm,
+ "Manually %sabling DRRS. %llu\n",
+ val ? "en" : "dis", val);
+
+ intel_dp = enc_to_intel_dp(encoder);
+ if (val)
+ intel_edp_drrs_enable(intel_dp,
+ crtc_state);
+ else
+ intel_edp_drrs_disable(intel_dp,
+ crtc_state);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+out:
+ drm_modeset_unlock(&crtc->base.mutex);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_drrs_ctl_fops, NULL, i915_drrs_ctl_set, "%llu\n");
+
+static ssize_t
+i915_fifo_underrun_reset_write(struct file *filp,
+ const char __user *ubuf,
+ size_t cnt, loff_t *ppos)
+{
+ struct drm_i915_private *dev_priv = filp->private_data;
+ struct intel_crtc *intel_crtc;
+ struct drm_device *dev = &dev_priv->drm;
+ int ret;
+ bool reset;
+
+ ret = kstrtobool_from_user(ubuf, cnt, &reset);
+ if (ret)
+ return ret;
+
+ if (!reset)
+ return cnt;
+
+ for_each_intel_crtc(dev, intel_crtc) {
+ struct drm_crtc_commit *commit;
+ struct intel_crtc_state *crtc_state;
+
+ ret = drm_modeset_lock_single_interruptible(&intel_crtc->base.mutex);
+ if (ret)
+ return ret;
+
+ crtc_state = to_intel_crtc_state(intel_crtc->base.state);
+ commit = crtc_state->uapi.commit;
+ if (commit) {
+ ret = wait_for_completion_interruptible(&commit->hw_done);
+ if (!ret)
+ ret = wait_for_completion_interruptible(&commit->flip_done);
+ }
+
+ if (!ret && crtc_state->hw.active) {
+ drm_dbg_kms(&dev_priv->drm,
+ "Re-arming FIFO underruns on pipe %c\n",
+ pipe_name(intel_crtc->pipe));
+
+ intel_crtc_arm_fifo_underrun(intel_crtc, crtc_state);
+ }
+
+ drm_modeset_unlock(&intel_crtc->base.mutex);
+
+ if (ret)
+ return ret;
+ }
+
+ ret = intel_fbc_reset_underrun(dev_priv);
+ if (ret)
+ return ret;
+
+ return cnt;
+}
+
+static const struct file_operations i915_fifo_underrun_reset_ops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .write = i915_fifo_underrun_reset_write,
+ .llseek = default_llseek,
+};
+
+static const struct drm_info_list intel_display_debugfs_list[] = {
+ {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
+ {"i915_fbc_status", i915_fbc_status, 0},
+ {"i915_ips_status", i915_ips_status, 0},
+ {"i915_sr_status", i915_sr_status, 0},
+ {"i915_opregion", i915_opregion, 0},
+ {"i915_vbt", i915_vbt, 0},
+ {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
+ {"i915_edp_psr_status", i915_edp_psr_status, 0},
+ {"i915_power_domain_info", i915_power_domain_info, 0},
+ {"i915_dmc_info", i915_dmc_info, 0},
+ {"i915_display_info", i915_display_info, 0},
+ {"i915_shared_dplls_info", i915_shared_dplls_info, 0},
+ {"i915_dp_mst_info", i915_dp_mst_info, 0},
+ {"i915_ddb_info", i915_ddb_info, 0},
+ {"i915_drrs_status", i915_drrs_status, 0},
+};
+
+static const struct {
+ const char *name;
+ const struct file_operations *fops;
+} intel_display_debugfs_files[] = {
+ {"i915_fifo_underrun_reset", &i915_fifo_underrun_reset_ops},
+ {"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
+ {"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
+ {"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
+ {"i915_fbc_false_color", &i915_fbc_false_color_fops},
+ {"i915_dp_test_data", &i915_displayport_test_data_fops},
+ {"i915_dp_test_type", &i915_displayport_test_type_fops},
+ {"i915_dp_test_active", &i915_displayport_test_active_fops},
+ {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops},
+ {"i915_hpd_short_storm_ctl", &i915_hpd_short_storm_ctl_fops},
+ {"i915_ipc_status", &i915_ipc_status_fops},
+ {"i915_drrs_ctl", &i915_drrs_ctl_fops},
+ {"i915_edp_psr_debug", &i915_edp_psr_debug_fops},
+};
+
+int intel_display_debugfs_register(struct drm_i915_private *i915)
+{
+ struct drm_minor *minor = i915->drm.primary;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(intel_display_debugfs_files); i++) {
+ debugfs_create_file(intel_display_debugfs_files[i].name,
+ S_IRUGO | S_IWUSR,
+ minor->debugfs_root,
+ to_i915(minor->dev),
+ intel_display_debugfs_files[i].fops);
+ }
+
+ return drm_debugfs_create_files(intel_display_debugfs_list,
+ ARRAY_SIZE(intel_display_debugfs_list),
+ minor->debugfs_root, minor);
+}
+
+static int i915_panel_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct intel_dp *intel_dp =
+ intel_attached_dp(to_intel_connector(connector));
+
+ if (connector->status != connector_status_connected)
+ return -ENODEV;
+
+ seq_printf(m, "Panel power up delay: %d\n",
+ intel_dp->panel_power_up_delay);
+ seq_printf(m, "Panel power down delay: %d\n",
+ intel_dp->panel_power_down_delay);
+ seq_printf(m, "Backlight on delay: %d\n",
+ intel_dp->backlight_on_delay);
+ seq_printf(m, "Backlight off delay: %d\n",
+ intel_dp->backlight_off_delay);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_panel);
+
+static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct intel_connector *intel_connector = to_intel_connector(connector);
+
+ if (connector->status != connector_status_connected)
+ return -ENODEV;
+
+ /* HDCP is supported by connector */
+ if (!intel_connector->hdcp.shim)
+ return -EINVAL;
+
+ seq_printf(m, "%s:%d HDCP version: ", connector->name,
+ connector->base.id);
+ intel_hdcp_info(m, intel_connector);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
+
+static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct drm_device *dev = connector->dev;
+ struct drm_crtc *crtc;
+ struct intel_dp *intel_dp;
+ struct drm_modeset_acquire_ctx ctx;
+ struct intel_crtc_state *crtc_state = NULL;
+ int ret = 0;
+ bool try_again = false;
+
+ drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
+
+ do {
+ try_again = false;
+ ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
+ &ctx);
+ if (ret) {
+ if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
+ try_again = true;
+ continue;
+ }
+ break;
+ }
+ crtc = connector->state->crtc;
+ if (connector->status != connector_status_connected || !crtc) {
+ ret = -ENODEV;
+ break;
+ }
+ ret = drm_modeset_lock(&crtc->mutex, &ctx);
+ if (ret == -EDEADLK) {
+ ret = drm_modeset_backoff(&ctx);
+ if (!ret) {
+ try_again = true;
+ continue;
+ }
+ break;
+ } else if (ret) {
+ break;
+ }
+ intel_dp = intel_attached_dp(to_intel_connector(connector));
+ crtc_state = to_intel_crtc_state(crtc->state);
+ seq_printf(m, "DSC_Enabled: %s\n",
+ yesno(crtc_state->dsc.compression_enable));
+ seq_printf(m, "DSC_Sink_Support: %s\n",
+ yesno(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
+ seq_printf(m, "Force_DSC_Enable: %s\n",
+ yesno(intel_dp->force_dsc_en));
+ if (!intel_dp_is_edp(intel_dp))
+ seq_printf(m, "FEC_Sink_Support: %s\n",
+ yesno(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
+ } while (try_again);
+
+ drm_modeset_drop_locks(&ctx);
+ drm_modeset_acquire_fini(&ctx);
+
+ return ret;
+}
+
+static ssize_t i915_dsc_fec_support_write(struct file *file,
+ const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ bool dsc_enable = false;
+ int ret;
+ struct drm_connector *connector =
+ ((struct seq_file *)file->private_data)->private;
+ struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+ if (len == 0)
+ return 0;
+
+ drm_dbg(&i915->drm,
+ "Copied %zu bytes from user to force DSC\n", len);
+
+ ret = kstrtobool_from_user(ubuf, len, &dsc_enable);
+ if (ret < 0)
+ return ret;
+
+ drm_dbg(&i915->drm, "Got %s for DSC Enable\n",
+ (dsc_enable) ? "true" : "false");
+ intel_dp->force_dsc_en = dsc_enable;
+
+ *offp += len;
+ return len;
+}
+
+static int i915_dsc_fec_support_open(struct inode *inode,
+ struct file *file)
+{
+ return single_open(file, i915_dsc_fec_support_show,
+ inode->i_private);
+}
+
+static const struct file_operations i915_dsc_fec_support_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_dsc_fec_support_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_dsc_fec_support_write
+};
+
+/**
+ * intel_connector_debugfs_add - add i915 specific connector debugfs files
+ * @connector: pointer to a registered drm_connector
+ *
+ * Cleanup will be done by drm_connector_unregister() through a call to
+ * drm_debugfs_connector_remove().
+ *
+ * Returns 0 on success, negative error codes on error.
+ */
+int intel_connector_debugfs_add(struct drm_connector *connector)
+{
+ struct dentry *root = connector->debugfs_entry;
+ struct drm_i915_private *dev_priv = to_i915(connector->dev);
+
+ /* The connector must have been registered beforehands. */
+ if (!root)
+ return -ENODEV;
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+ debugfs_create_file("i915_panel_timings", S_IRUGO, root,
+ connector, &i915_panel_fops);
+ debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
+ connector, &i915_psr_sink_status_fops);
+ }
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+ connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+ connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
+ debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
+ connector, &i915_hdcp_sink_capability_fops);
+ }
+
+ if (INTEL_GEN(dev_priv) >= 10 &&
+ (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+ debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
+ connector, &i915_dsc_fec_support_fops);
+
+ return 0;
+}
#include <linux/sort.h>
#include <drm/drm_debugfs.h>
-#include <drm/drm_fourcc.h>
-
-#include "display/intel_csr.h"
-#include "display/intel_display_types.h"
-#include "display/intel_dp.h"
-#include "display/intel_fbc.h"
-#include "display/intel_hdcp.h"
-#include "display/intel_hdmi.h"
-#include "display/intel_psr.h"
#include "gem/i915_gem_context.h"
#include "gt/intel_gt_pm.h"
}
}
-static void
-describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
+void
+i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
struct intel_engine_cs *engine;
if (!vma)
seq_puts(m, "unused");
else
- describe_obj(m, vma->obj);
+ i915_debugfs_describe_obj(m, vma->obj);
seq_putc(m, '\n');
}
rcu_read_unlock();
return err;
}
-static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
-
- seq_printf(m, "FB tracking busy bits: 0x%08x\n",
- dev_priv->fb_tracking.busy_bits);
-
- seq_printf(m, "FB tracking flip bits: 0x%08x\n",
- dev_priv->fb_tracking.flip_bits);
-
- return 0;
-}
-
-static int i915_fbc_status(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct intel_fbc *fbc = &dev_priv->fbc;
- intel_wakeref_t wakeref;
-
- if (!HAS_FBC(dev_priv))
- return -ENODEV;
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
- mutex_lock(&fbc->lock);
-
- if (intel_fbc_is_active(dev_priv))
- seq_puts(m, "FBC enabled\n");
- else
- seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason);
-
- if (intel_fbc_is_active(dev_priv)) {
- u32 mask;
-
- if (INTEL_GEN(dev_priv) >= 8)
- mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK;
- else if (INTEL_GEN(dev_priv) >= 7)
- mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK;
- else if (INTEL_GEN(dev_priv) >= 5)
- mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK;
- else if (IS_G4X(dev_priv))
- mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK;
- else
- mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING |
- FBC_STAT_COMPRESSED);
-
- seq_printf(m, "Compressing: %s\n", yesno(mask));
- }
-
- mutex_unlock(&fbc->lock);
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
- return 0;
-}
-
-static int i915_fbc_false_color_get(void *data, u64 *val)
-{
- struct drm_i915_private *dev_priv = data;
-
- if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
- return -ENODEV;
-
- *val = dev_priv->fbc.false_color;
-
- return 0;
-}
-
-static int i915_fbc_false_color_set(void *data, u64 val)
-{
- struct drm_i915_private *dev_priv = data;
- u32 reg;
-
- if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
- return -ENODEV;
-
- mutex_lock(&dev_priv->fbc.lock);
-
- reg = I915_READ(ILK_DPFC_CONTROL);
- dev_priv->fbc.false_color = val;
-
- I915_WRITE(ILK_DPFC_CONTROL, val ?
- (reg | FBC_CTL_FALSE_COLOR) :
- (reg & ~FBC_CTL_FALSE_COLOR));
-
- mutex_unlock(&dev_priv->fbc.lock);
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops,
- i915_fbc_false_color_get, i915_fbc_false_color_set,
- "%llu\n");
-
-static int i915_ips_status(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
-
- if (!HAS_IPS(dev_priv))
- return -ENODEV;
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
- seq_printf(m, "Enabled by kernel parameter: %s\n",
- yesno(i915_modparams.enable_ips));
-
- if (INTEL_GEN(dev_priv) >= 8) {
- seq_puts(m, "Currently: unknown\n");
- } else {
- if (I915_READ(IPS_CTL) & IPS_ENABLE)
- seq_puts(m, "Currently: enabled\n");
- else
- seq_puts(m, "Currently: disabled\n");
- }
-
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
- return 0;
-}
-
-static int i915_sr_status(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
- bool sr_enabled = false;
-
- wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
-
- if (INTEL_GEN(dev_priv) >= 9)
- /* no global SR status; inspect per-plane WM */;
- else if (HAS_PCH_SPLIT(dev_priv))
- sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
- else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) ||
- IS_I945G(dev_priv) || IS_I945GM(dev_priv))
- sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
- else if (IS_I915GM(dev_priv))
- sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
- else if (IS_PINEVIEW(dev_priv))
- sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
- else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
- sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
-
- intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref);
-
- seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled));
-
- return 0;
-}
-
static int i915_ring_freq_table(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
return 0;
}
-static int i915_opregion(struct seq_file *m, void *unused)
-{
- struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
-
- if (opregion->header)
- seq_write(m, opregion->header, OPREGION_SIZE);
-
- return 0;
-}
-
-static int i915_vbt(struct seq_file *m, void *unused)
-{
- struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
-
- if (opregion->vbt)
- seq_write(m, opregion->vbt, opregion->vbt_size);
-
- return 0;
-}
-
-static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct intel_framebuffer *fbdev_fb = NULL;
- struct drm_framebuffer *drm_fb;
-
-#ifdef CONFIG_DRM_FBDEV_EMULATION
- if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) {
- fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
-
- seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
- fbdev_fb->base.width,
- fbdev_fb->base.height,
- fbdev_fb->base.format->depth,
- fbdev_fb->base.format->cpp[0] * 8,
- fbdev_fb->base.modifier,
- drm_framebuffer_read_refcount(&fbdev_fb->base));
- describe_obj(m, intel_fb_obj(&fbdev_fb->base));
- seq_putc(m, '\n');
- }
-#endif
-
- mutex_lock(&dev->mode_config.fb_lock);
- drm_for_each_fb(drm_fb, dev) {
- struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
- if (fb == fbdev_fb)
- continue;
-
- seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
- fb->base.width,
- fb->base.height,
- fb->base.format->depth,
- fb->base.format->cpp[0] * 8,
- fb->base.modifier,
- drm_framebuffer_read_refcount(&fb->base));
- describe_obj(m, intel_fb_obj(&fb->base));
- seq_putc(m, '\n');
- }
- mutex_unlock(&dev->mode_config.fb_lock);
-
- return 0;
-}
-
static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring)
{
seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, emit: %u)",
if (intel_context_pin_if_active(ce)) {
seq_printf(m, "%s: ", ce->engine->name);
if (ce->state)
- describe_obj(m, ce->state->obj);
+ i915_debugfs_describe_obj(m, ce->state->obj);
describe_ctx_ring(m, ce->ring);
seq_putc(m, '\n');
intel_context_unpin(ce);
.release = i915_guc_log_relay_release,
};
-static int i915_psr_sink_status_show(struct seq_file *m, void *data)
-{
- u8 val;
- static const char * const sink_status[] = {
- "inactive",
- "transition to active, capture and display",
- "active, display from RFB",
- "active, capture and display on sink device timings",
- "transition to inactive, capture and display, timing re-sync",
- "reserved",
- "reserved",
- "sink internal error",
- };
- struct drm_connector *connector = m->private;
- struct drm_i915_private *dev_priv = to_i915(connector->dev);
- struct intel_dp *intel_dp =
- intel_attached_dp(to_intel_connector(connector));
- int ret;
-
- if (!CAN_PSR(dev_priv)) {
- seq_puts(m, "PSR Unsupported\n");
- return -ENODEV;
- }
-
- if (connector->status != connector_status_connected)
- return -ENODEV;
-
- ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
-
- if (ret == 1) {
- const char *str = "unknown";
-
- val &= DP_PSR_SINK_STATE_MASK;
- if (val < ARRAY_SIZE(sink_status))
- str = sink_status[val];
- seq_printf(m, "Sink PSR status: 0x%x [%s]\n", val, str);
- } else {
- return ret;
- }
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
-
-static void
-psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
-{
- u32 val, status_val;
- const char *status = "unknown";
-
- if (dev_priv->psr.psr2_enabled) {
- static const char * const live_status[] = {
- "IDLE",
- "CAPTURE",
- "CAPTURE_FS",
- "SLEEP",
- "BUFON_FW",
- "ML_UP",
- "SU_STANDBY",
- "FAST_SLEEP",
- "DEEP_SLEEP",
- "BUF_ON",
- "TG_ON"
- };
- val = I915_READ(EDP_PSR2_STATUS(dev_priv->psr.transcoder));
- status_val = (val & EDP_PSR2_STATUS_STATE_MASK) >>
- EDP_PSR2_STATUS_STATE_SHIFT;
- if (status_val < ARRAY_SIZE(live_status))
- status = live_status[status_val];
- } else {
- static const char * const live_status[] = {
- "IDLE",
- "SRDONACK",
- "SRDENT",
- "BUFOFF",
- "BUFON",
- "AUXACK",
- "SRDOFFACK",
- "SRDENT_ON",
- };
- val = I915_READ(EDP_PSR_STATUS(dev_priv->psr.transcoder));
- status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
- EDP_PSR_STATUS_STATE_SHIFT;
- if (status_val < ARRAY_SIZE(live_status))
- status = live_status[status_val];
- }
-
- seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
-}
-
-static int i915_edp_psr_status(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct i915_psr *psr = &dev_priv->psr;
- intel_wakeref_t wakeref;
- const char *status;
- bool enabled;
- u32 val;
-
- if (!HAS_PSR(dev_priv))
- return -ENODEV;
-
- seq_printf(m, "Sink support: %s", yesno(psr->sink_support));
- if (psr->dp)
- seq_printf(m, " [0x%02x]", psr->dp->psr_dpcd[0]);
- seq_puts(m, "\n");
-
- if (!psr->sink_support)
- return 0;
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
- mutex_lock(&psr->lock);
-
- if (psr->enabled)
- status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled";
- else
- status = "disabled";
- seq_printf(m, "PSR mode: %s\n", status);
-
- if (!psr->enabled) {
- seq_printf(m, "PSR sink not reliable: %s\n",
- yesno(psr->sink_not_reliable));
-
- goto unlock;
- }
-
- if (psr->psr2_enabled) {
- val = I915_READ(EDP_PSR2_CTL(dev_priv->psr.transcoder));
- enabled = val & EDP_PSR2_ENABLE;
- } else {
- val = I915_READ(EDP_PSR_CTL(dev_priv->psr.transcoder));
- enabled = val & EDP_PSR_ENABLE;
- }
- seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
- enableddisabled(enabled), val);
- psr_source_status(dev_priv, m);
- seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
- psr->busy_frontbuffer_bits);
-
- /*
- * SKL+ Perf counter is reset to 0 everytime DC state is entered
- */
- if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
- val = I915_READ(EDP_PSR_PERF_CNT(dev_priv->psr.transcoder));
- val &= EDP_PSR_PERF_CNT_MASK;
- seq_printf(m, "Performance counter: %u\n", val);
- }
-
- if (psr->debug & I915_PSR_DEBUG_IRQ) {
- seq_printf(m, "Last attempted entry at: %lld\n",
- psr->last_entry_attempt);
- seq_printf(m, "Last exit at: %lld\n", psr->last_exit);
- }
-
- if (psr->psr2_enabled) {
- u32 su_frames_val[3];
- int frame;
-
- /*
- * Reading all 3 registers before hand to minimize crossing a
- * frame boundary between register reads
- */
- for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) {
- val = I915_READ(PSR2_SU_STATUS(dev_priv->psr.transcoder,
- frame));
- su_frames_val[frame / 3] = val;
- }
-
- seq_puts(m, "Frame:\tPSR2 SU blocks:\n");
-
- for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame++) {
- u32 su_blocks;
-
- su_blocks = su_frames_val[frame / 3] &
- PSR2_SU_STATUS_MASK(frame);
- su_blocks = su_blocks >> PSR2_SU_STATUS_SHIFT(frame);
- seq_printf(m, "%d\t%d\n", frame, su_blocks);
- }
- }
-
-unlock:
- mutex_unlock(&psr->lock);
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
- return 0;
-}
-
-static int
-i915_edp_psr_debug_set(void *data, u64 val)
-{
- struct drm_i915_private *dev_priv = data;
- intel_wakeref_t wakeref;
- int ret;
-
- if (!CAN_PSR(dev_priv))
- return -ENODEV;
-
- drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
- ret = intel_psr_debug_set(dev_priv, val);
-
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
- return ret;
-}
-
-static int
-i915_edp_psr_debug_get(void *data, u64 *val)
-{
- struct drm_i915_private *dev_priv = data;
-
- if (!CAN_PSR(dev_priv))
- return -ENODEV;
-
- *val = READ_ONCE(dev_priv->psr.debug);
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
- i915_edp_psr_debug_get, i915_edp_psr_debug_set,
- "%llu\n");
-
static int i915_runtime_pm_status(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
return 0;
}
-static int i915_power_domain_info(struct seq_file *m, void *unused)
+static int i915_engine_info(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct i915_power_domains *power_domains = &dev_priv->power_domains;
- int i;
-
- mutex_lock(&power_domains->lock);
+ struct intel_engine_cs *engine;
+ intel_wakeref_t wakeref;
+ struct drm_printer p;
- seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
- for (i = 0; i < power_domains->power_well_count; i++) {
- struct i915_power_well *power_well;
- enum intel_display_power_domain power_domain;
+ wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
- power_well = &power_domains->power_wells[i];
- seq_printf(m, "%-25s %d\n", power_well->desc->name,
- power_well->count);
+ seq_printf(m, "GT awake? %s [%d]\n",
+ yesno(dev_priv->gt.awake),
+ atomic_read(&dev_priv->gt.wakeref.count));
+ seq_printf(m, "CS timestamp frequency: %u kHz\n",
+ RUNTIME_INFO(dev_priv)->cs_timestamp_frequency_khz);
- for_each_power_domain(power_domain, power_well->desc->domains)
- seq_printf(m, " %-23s %d\n",
- intel_display_power_domain_str(power_domain),
- power_domains->domain_use_count[power_domain]);
- }
+ p = drm_seq_file_printer(m);
+ for_each_uabi_engine(engine, dev_priv)
+ intel_engine_dump(engine, &p, "%s\n", engine->name);
- mutex_unlock(&power_domains->lock);
+ intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
return 0;
}
-static int i915_dmc_info(struct seq_file *m, void *unused)
+static int i915_rcs_topology(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
- struct intel_csr *csr;
- i915_reg_t dc5_reg, dc6_reg = {};
-
- if (!HAS_CSR(dev_priv))
- return -ENODEV;
-
- csr = &dev_priv->csr;
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
- seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
- seq_printf(m, "path: %s\n", csr->fw_path);
-
- if (!csr->dmc_payload)
- goto out;
-
- seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
- CSR_VERSION_MINOR(csr->version));
-
- if (INTEL_GEN(dev_priv) >= 12) {
- dc5_reg = TGL_DMC_DEBUG_DC5_COUNT;
- dc6_reg = TGL_DMC_DEBUG_DC6_COUNT;
- /*
- * NOTE: DMC_DEBUG3 is a general purpose reg.
- * According to B.Specs:49196 DMC f/w reuses DC5/6 counter
- * reg for DC3CO debugging and validation,
- * but TGL DMC f/w is using DMC_DEBUG3 reg for DC3CO counter.
- */
- seq_printf(m, "DC3CO count: %d\n", I915_READ(DMC_DEBUG3));
- } else {
- dc5_reg = IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
- SKL_CSR_DC3_DC5_COUNT;
- if (!IS_GEN9_LP(dev_priv))
- dc6_reg = SKL_CSR_DC5_DC6_COUNT;
- }
-
- seq_printf(m, "DC3 -> DC5 count: %d\n", I915_READ(dc5_reg));
- if (dc6_reg.reg)
- seq_printf(m, "DC5 -> DC6 count: %d\n", I915_READ(dc6_reg));
-
-out:
- seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
- seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
- seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
+ struct drm_printer p = drm_seq_file_printer(m);
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+ intel_device_info_print_topology(&RUNTIME_INFO(dev_priv)->sseu, &p);
return 0;
}
-static void intel_seq_print_mode(struct seq_file *m, int tabs,
- const struct drm_display_mode *mode)
+static int i915_shrinker_info(struct seq_file *m, void *unused)
{
- int i;
+ struct drm_i915_private *i915 = node_to_i915(m->private);
- for (i = 0; i < tabs; i++)
- seq_putc(m, '\t');
+ seq_printf(m, "seeks = %d\n", i915->mm.shrinker.seeks);
+ seq_printf(m, "batch = %lu\n", i915->mm.shrinker.batch);
- seq_printf(m, DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+ return 0;
}
-static void intel_encoder_info(struct seq_file *m,
- struct intel_crtc *crtc,
- struct intel_encoder *encoder)
+static int i915_wa_registers(struct seq_file *m, void *unused)
{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- 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);
+ struct drm_i915_private *i915 = node_to_i915(m->private);
+ struct intel_engine_cs *engine;
- 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;
+ for_each_uabi_engine(engine, i915) {
+ const struct i915_wa_list *wal = &engine->ctx_wa_list;
+ const struct i915_wa *wa;
+ unsigned int count;
- if (conn_state->best_encoder != &encoder->base)
- continue;
-
- seq_printf(m, "\t\t[CONNECTOR:%d:%s]\n",
- 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)
-{
- const struct drm_display_mode *mode = panel->fixed_mode;
-
- seq_printf(m, "\tfixed mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
-}
-
-static void intel_hdcp_info(struct seq_file *m,
- struct intel_connector *intel_connector)
-{
- bool hdcp_cap, hdcp2_cap;
-
- hdcp_cap = intel_hdcp_capable(intel_connector);
- hdcp2_cap = intel_hdcp2_capable(intel_connector);
-
- if (hdcp_cap)
- seq_puts(m, "HDCP1.4 ");
- if (hdcp2_cap)
- seq_puts(m, "HDCP2.2 ");
-
- if (!hdcp_cap && !hdcp2_cap)
- seq_puts(m, "None");
-
- seq_puts(m, "\n");
-}
-
-static void intel_dp_info(struct seq_file *m,
- struct intel_connector *intel_connector)
-{
- struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
- struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);
-
- seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
- seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
- if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
- intel_panel_info(m, &intel_connector->panel);
-
- drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
- &intel_dp->aux);
- if (intel_connector->hdcp.shim) {
- seq_puts(m, "\tHDCP version: ");
- intel_hdcp_info(m, intel_connector);
- }
-}
-
-static void intel_dp_mst_info(struct seq_file *m,
- struct intel_connector *intel_connector)
-{
- struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
- struct intel_dp_mst_encoder *intel_mst =
- enc_to_mst(intel_encoder);
- struct intel_digital_port *intel_dig_port = intel_mst->primary;
- struct intel_dp *intel_dp = &intel_dig_port->dp;
- bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
- intel_connector->port);
-
- seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
-}
-
-static void intel_hdmi_info(struct seq_file *m,
- struct intel_connector *intel_connector)
-{
- struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
- struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(intel_encoder);
-
- seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
- if (intel_connector->hdcp.shim) {
- seq_puts(m, "\tHDCP version: ");
- intel_hdcp_info(m, intel_connector);
- }
-}
-
-static void intel_lvds_info(struct seq_file *m,
- struct intel_connector *intel_connector)
-{
- intel_panel_info(m, &intel_connector->panel);
-}
-
-static void intel_connector_info(struct seq_file *m,
- struct drm_connector *connector)
-{
- struct intel_connector *intel_connector = to_intel_connector(connector);
- 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,
- drm_get_connector_status_name(connector->status));
-
- if (connector->status == connector_status_disconnected)
- return;
-
- seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
- connector->display_info.width_mm,
- connector->display_info.height_mm);
- seq_printf(m, "\tsubpixel order: %s\n",
- drm_get_subpixel_order_name(connector->display_info.subpixel_order));
- seq_printf(m, "\tCEA rev: %d\n", connector->display_info.cea_rev);
-
- if (!encoder)
- return;
-
- switch (connector->connector_type) {
- case DRM_MODE_CONNECTOR_DisplayPort:
- case DRM_MODE_CONNECTOR_eDP:
- 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 (encoder->type == INTEL_OUTPUT_LVDS)
- intel_lvds_info(m, intel_connector);
- break;
- case DRM_MODE_CONNECTOR_HDMIA:
- if (encoder->type == INTEL_OUTPUT_HDMI ||
- encoder->type == INTEL_OUTPUT_DDI)
- intel_hdmi_info(m, intel_connector);
- break;
- default:
- break;
- }
-
- seq_printf(m, "\tmodes:\n");
- list_for_each_entry(mode, &connector->modes, head)
- intel_seq_print_mode(m, 2, mode);
-}
-
-static const char *plane_type(enum drm_plane_type type)
-{
- switch (type) {
- case DRM_PLANE_TYPE_OVERLAY:
- return "OVL";
- case DRM_PLANE_TYPE_PRIMARY:
- return "PRI";
- case DRM_PLANE_TYPE_CURSOR:
- return "CUR";
- /*
- * Deliberately omitting default: to generate compiler warnings
- * when a new drm_plane_type gets added.
- */
- }
-
- return "unknown";
-}
-
-static void plane_rotation(char *buf, size_t bufsize, unsigned int rotation)
-{
- /*
- * According to doc only one DRM_MODE_ROTATE_ is allowed but this
- * will print them all to visualize if the values are misused
- */
- snprintf(buf, bufsize,
- "%s%s%s%s%s%s(0x%08x)",
- (rotation & DRM_MODE_ROTATE_0) ? "0 " : "",
- (rotation & DRM_MODE_ROTATE_90) ? "90 " : "",
- (rotation & DRM_MODE_ROTATE_180) ? "180 " : "",
- (rotation & DRM_MODE_ROTATE_270) ? "270 " : "",
- (rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "",
- (rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "",
- rotation);
-}
-
-static void intel_plane_uapi_info(struct seq_file *m, struct intel_plane *plane)
-{
- const struct intel_plane_state *plane_state =
- to_intel_plane_state(plane->base.state);
- const struct drm_framebuffer *fb = plane_state->uapi.fb;
- struct drm_format_name_buf format_name;
- struct drm_rect src, dst;
- char rot_str[48];
-
- src = drm_plane_state_src(&plane_state->uapi);
- dst = drm_plane_state_dest(&plane_state->uapi);
-
- if (fb)
- drm_get_format_name(fb->format->format, &format_name);
-
- plane_rotation(rot_str, sizeof(rot_str),
- plane_state->uapi.rotation);
-
- seq_printf(m, "\t\tuapi: fb=%d,%s,%dx%d, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
- fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
- fb ? fb->width : 0, fb ? fb->height : 0,
- DRM_RECT_FP_ARG(&src),
- DRM_RECT_ARG(&dst),
- rot_str);
-}
-
-static void intel_plane_hw_info(struct seq_file *m, struct intel_plane *plane)
-{
- const struct intel_plane_state *plane_state =
- to_intel_plane_state(plane->base.state);
- const struct drm_framebuffer *fb = plane_state->hw.fb;
- struct drm_format_name_buf format_name;
- char rot_str[48];
-
- if (!fb)
- return;
-
- drm_get_format_name(fb->format->format, &format_name);
-
- plane_rotation(rot_str, sizeof(rot_str),
- plane_state->hw.rotation);
-
- seq_printf(m, "\t\thw: fb=%d,%s,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
- fb->base.id, format_name.str,
- fb->width, fb->height,
- yesno(plane_state->uapi.visible),
- DRM_RECT_FP_ARG(&plane_state->uapi.src),
- DRM_RECT_ARG(&plane_state->uapi.dst),
- rot_str);
-}
-
-static void intel_plane_info(struct seq_file *m, struct intel_crtc *crtc)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct intel_plane *plane;
-
- for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) {
- seq_printf(m, "\t[PLANE:%d:%s]: type=%s\n",
- plane->base.base.id, plane->base.name,
- plane_type(plane->base.type));
- intel_plane_uapi_info(m, plane);
- intel_plane_hw_info(m, plane);
- }
-}
-
-static void intel_scaler_info(struct seq_file *m, struct intel_crtc *crtc)
-{
- const struct intel_crtc_state *crtc_state =
- to_intel_crtc_state(crtc->base.state);
- int num_scalers = crtc->num_scalers;
- int i;
-
- /* Not all platformas have a scaler */
- if (num_scalers) {
- seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
- num_scalers,
- crtc_state->scaler_state.scaler_users,
- crtc_state->scaler_state.scaler_id);
-
- for (i = 0; i < num_scalers; i++) {
- const struct intel_scaler *sc =
- &crtc_state->scaler_state.scalers[i];
-
- seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
- i, yesno(sc->in_use), sc->mode);
- }
- seq_puts(m, "\n");
- } else {
- seq_puts(m, "\tNo scalers available on this platform\n");
- }
-}
-
-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);
-
- seq_printf(m, "\tuapi: enable=%s, active=%s, mode=" DRM_MODE_FMT "\n",
- yesno(crtc_state->uapi.enable),
- yesno(crtc_state->uapi.active),
- DRM_MODE_ARG(&crtc_state->uapi.mode));
-
- if (crtc_state->hw.enable) {
- 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));
-
- seq_printf(m, "\tpipe src size=%dx%d, dither=%s, bpp=%d\n",
- crtc_state->pipe_src_w, crtc_state->pipe_src_h,
- yesno(crtc_state->dither), crtc_state->pipe_bpp);
-
- 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",
- yesno(!crtc->cpu_fifo_underrun_disabled),
- yesno(!crtc->pch_fifo_underrun_disabled));
-}
-
-static int i915_display_info(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct intel_crtc *crtc;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- intel_wakeref_t wakeref;
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
- drm_modeset_lock_all(dev);
-
- seq_printf(m, "CRTC info\n");
- seq_printf(m, "---------\n");
- for_each_intel_crtc(dev, crtc)
- intel_crtc_info(m, crtc);
-
- seq_printf(m, "\n");
- seq_printf(m, "Connector info\n");
- seq_printf(m, "--------------\n");
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter)
- intel_connector_info(m, connector);
- drm_connector_list_iter_end(&conn_iter);
-
- drm_modeset_unlock_all(dev);
-
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
- return 0;
-}
-
-static int i915_engine_info(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct intel_engine_cs *engine;
- intel_wakeref_t wakeref;
- struct drm_printer p;
-
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
- seq_printf(m, "GT awake? %s [%d]\n",
- yesno(dev_priv->gt.awake),
- atomic_read(&dev_priv->gt.wakeref.count));
- seq_printf(m, "CS timestamp frequency: %u kHz\n",
- RUNTIME_INFO(dev_priv)->cs_timestamp_frequency_khz);
-
- p = drm_seq_file_printer(m);
- for_each_uabi_engine(engine, dev_priv)
- intel_engine_dump(engine, &p, "%s\n", engine->name);
-
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
- return 0;
-}
-
-static int i915_rcs_topology(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_printer p = drm_seq_file_printer(m);
-
- intel_device_info_print_topology(&RUNTIME_INFO(dev_priv)->sseu, &p);
-
- return 0;
-}
-
-static int i915_shrinker_info(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *i915 = node_to_i915(m->private);
-
- seq_printf(m, "seeks = %d\n", i915->mm.shrinker.seeks);
- seq_printf(m, "batch = %lu\n", i915->mm.shrinker.batch);
-
- return 0;
-}
-
-static int i915_shared_dplls_info(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- int i;
-
- drm_modeset_lock_all(dev);
- for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
-
- seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name,
- pll->info->id);
- seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
- pll->state.crtc_mask, pll->active_mask, yesno(pll->on));
- seq_printf(m, " tracked hardware state:\n");
- seq_printf(m, " dpll: 0x%08x\n", pll->state.hw_state.dpll);
- seq_printf(m, " dpll_md: 0x%08x\n",
- pll->state.hw_state.dpll_md);
- seq_printf(m, " fp0: 0x%08x\n", pll->state.hw_state.fp0);
- seq_printf(m, " fp1: 0x%08x\n", pll->state.hw_state.fp1);
- seq_printf(m, " wrpll: 0x%08x\n", pll->state.hw_state.wrpll);
- seq_printf(m, " cfgcr0: 0x%08x\n", pll->state.hw_state.cfgcr0);
- seq_printf(m, " cfgcr1: 0x%08x\n", pll->state.hw_state.cfgcr1);
- seq_printf(m, " mg_refclkin_ctl: 0x%08x\n",
- pll->state.hw_state.mg_refclkin_ctl);
- seq_printf(m, " mg_clktop2_coreclkctl1: 0x%08x\n",
- pll->state.hw_state.mg_clktop2_coreclkctl1);
- seq_printf(m, " mg_clktop2_hsclkctl: 0x%08x\n",
- pll->state.hw_state.mg_clktop2_hsclkctl);
- seq_printf(m, " mg_pll_div0: 0x%08x\n",
- pll->state.hw_state.mg_pll_div0);
- seq_printf(m, " mg_pll_div1: 0x%08x\n",
- pll->state.hw_state.mg_pll_div1);
- seq_printf(m, " mg_pll_lf: 0x%08x\n",
- pll->state.hw_state.mg_pll_lf);
- seq_printf(m, " mg_pll_frac_lock: 0x%08x\n",
- pll->state.hw_state.mg_pll_frac_lock);
- seq_printf(m, " mg_pll_ssc: 0x%08x\n",
- pll->state.hw_state.mg_pll_ssc);
- seq_printf(m, " mg_pll_bias: 0x%08x\n",
- pll->state.hw_state.mg_pll_bias);
- seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
- pll->state.hw_state.mg_pll_tdc_coldst_bias);
- }
- drm_modeset_unlock_all(dev);
-
- return 0;
-}
-
-static int i915_wa_registers(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *i915 = node_to_i915(m->private);
- struct intel_engine_cs *engine;
-
- for_each_uabi_engine(engine, i915) {
- const struct i915_wa_list *wal = &engine->ctx_wa_list;
- const struct i915_wa *wa;
- unsigned int count;
-
- count = wal->count;
- if (!count)
- continue;
-
- seq_printf(m, "%s: Workarounds applied: %u\n",
- engine->name, count);
-
- for (wa = wal->list; count--; wa++)
- seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
- i915_mmio_reg_offset(wa->reg),
- wa->set, wa->clr);
-
- seq_printf(m, "\n");
- }
-
- return 0;
-}
-
-static int i915_ipc_status_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
-
- seq_printf(m, "Isochronous Priority Control: %s\n",
- yesno(dev_priv->ipc_enabled));
- return 0;
-}
-
-static int i915_ipc_status_open(struct inode *inode, struct file *file)
-{
- struct drm_i915_private *dev_priv = inode->i_private;
-
- if (!HAS_IPC(dev_priv))
- return -ENODEV;
-
- return single_open(file, i915_ipc_status_show, dev_priv);
-}
-
-static ssize_t i915_ipc_status_write(struct file *file, const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- intel_wakeref_t wakeref;
- bool enable;
- int ret;
-
- ret = kstrtobool_from_user(ubuf, len, &enable);
- if (ret < 0)
- return ret;
-
- with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
- if (!dev_priv->ipc_enabled && enable)
- drm_info(&dev_priv->drm,
- "Enabling IPC: WM will be proper only after next commit\n");
- dev_priv->wm.distrust_bios_wm = true;
- dev_priv->ipc_enabled = enable;
- intel_enable_ipc(dev_priv);
- }
-
- return len;
-}
-
-static const struct file_operations i915_ipc_status_fops = {
- .owner = THIS_MODULE,
- .open = i915_ipc_status_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_ipc_status_write
-};
-
-static int i915_ddb_info(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct skl_ddb_entry *entry;
- struct intel_crtc *crtc;
-
- if (INTEL_GEN(dev_priv) < 9)
- return -ENODEV;
-
- drm_modeset_lock_all(dev);
-
- seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
-
- for_each_intel_crtc(&dev_priv->drm, crtc) {
- struct intel_crtc_state *crtc_state =
- to_intel_crtc_state(crtc->base.state);
- enum pipe pipe = crtc->pipe;
- enum plane_id plane_id;
-
- seq_printf(m, "Pipe %c\n", pipe_name(pipe));
-
- for_each_plane_id_on_crtc(crtc, plane_id) {
- entry = &crtc_state->wm.skl.plane_ddb_y[plane_id];
- seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane_id + 1,
- entry->start, entry->end,
- skl_ddb_entry_size(entry));
- }
-
- entry = &crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR];
- seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start,
- entry->end, skl_ddb_entry_size(entry));
- }
-
- drm_modeset_unlock_all(dev);
-
- return 0;
-}
-
-static void drrs_status_per_crtc(struct seq_file *m,
- struct drm_device *dev,
- struct intel_crtc *intel_crtc)
-{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct i915_drrs *drrs = &dev_priv->drrs;
- int vrefresh = 0;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- if (connector->state->crtc != &intel_crtc->base)
- continue;
-
- seq_printf(m, "%s:\n", connector->name);
- }
- drm_connector_list_iter_end(&conn_iter);
-
- seq_puts(m, "\n");
-
- if (to_intel_crtc_state(intel_crtc->base.state)->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\n");
- if (dev_priv->psr.enabled)
- seq_puts(m,
- "\tAs PSR is enabled, DRRS is not enabled\n");
- 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_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct intel_crtc *intel_crtc;
- int active_crtc_cnt = 0;
-
- drm_modeset_lock_all(dev);
- for_each_intel_crtc(dev, intel_crtc) {
- if (intel_crtc->base.state->active) {
- active_crtc_cnt++;
- seq_printf(m, "\nCRTC %d: ", active_crtc_cnt);
-
- drrs_status_per_crtc(m, dev, intel_crtc);
- }
- }
- drm_modeset_unlock_all(dev);
-
- if (!active_crtc_cnt)
- seq_puts(m, "No active crtc found\n");
-
- return 0;
-}
-
-static int i915_dp_mst_info(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct intel_encoder *intel_encoder;
- struct intel_digital_port *intel_dig_port;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- intel_encoder = intel_attached_encoder(to_intel_connector(connector));
- if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- intel_dig_port = enc_to_dig_port(intel_encoder);
- if (!intel_dig_port->dp.can_mst)
- continue;
-
- seq_printf(m, "MST Source Port [ENCODER:%d:%s]\n",
- intel_dig_port->base.base.base.id,
- intel_dig_port->base.base.name);
- drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-
-static ssize_t i915_displayport_test_active_write(struct file *file,
- const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- char *input_buffer;
- int status = 0;
- struct drm_device *dev;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
- int val = 0;
-
- dev = ((struct seq_file *)file->private_data)->private;
-
- if (len == 0)
- return 0;
-
- input_buffer = memdup_user_nul(ubuf, len);
- if (IS_ERR(input_buffer))
- return PTR_ERR(input_buffer);
-
- drm_dbg(&to_i915(dev)->drm,
- "Copied %d bytes from user\n", (unsigned int)len);
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- status = kstrtoint(input_buffer, 10, &val);
- if (status < 0)
- break;
- drm_dbg(&to_i915(dev)->drm,
- "Got %d for test active\n", val);
- /* To prevent erroneous activation of the compliance
- * testing code, only accept an actual value of 1 here
- */
- if (val == 1)
- intel_dp->compliance.test_active = true;
- else
- intel_dp->compliance.test_active = false;
- }
- }
- drm_connector_list_iter_end(&conn_iter);
- kfree(input_buffer);
- if (status < 0)
- return status;
-
- *offp += len;
- return len;
-}
-
-static int i915_displayport_test_active_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_device *dev = &dev_priv->drm;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- if (intel_dp->compliance.test_active)
- seq_puts(m, "1");
- else
- seq_puts(m, "0");
- } else
- seq_puts(m, "0");
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-
-static int i915_displayport_test_active_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, i915_displayport_test_active_show,
- inode->i_private);
-}
-
-static const struct file_operations i915_displayport_test_active_fops = {
- .owner = THIS_MODULE,
- .open = i915_displayport_test_active_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_displayport_test_active_write
-};
-
-static int i915_displayport_test_data_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_device *dev = &dev_priv->drm;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- if (intel_dp->compliance.test_type ==
- DP_TEST_LINK_EDID_READ)
- seq_printf(m, "%lx",
- intel_dp->compliance.test_data.edid);
- else if (intel_dp->compliance.test_type ==
- DP_TEST_LINK_VIDEO_PATTERN) {
- seq_printf(m, "hdisplay: %d\n",
- intel_dp->compliance.test_data.hdisplay);
- seq_printf(m, "vdisplay: %d\n",
- intel_dp->compliance.test_data.vdisplay);
- seq_printf(m, "bpc: %u\n",
- intel_dp->compliance.test_data.bpc);
- }
- } else
- seq_puts(m, "0");
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
-
-static int i915_displayport_test_type_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_device *dev = &dev_priv->drm;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- seq_printf(m, "%02lx", intel_dp->compliance.test_type);
- } else
- seq_puts(m, "0");
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
-
-static void wm_latency_show(struct seq_file *m, const u16 wm[8])
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_device *dev = &dev_priv->drm;
- int level;
- int num_levels;
-
- if (IS_CHERRYVIEW(dev_priv))
- num_levels = 3;
- else if (IS_VALLEYVIEW(dev_priv))
- num_levels = 1;
- else if (IS_G4X(dev_priv))
- num_levels = 3;
- else
- num_levels = ilk_wm_max_level(dev_priv) + 1;
-
- drm_modeset_lock_all(dev);
-
- for (level = 0; level < num_levels; level++) {
- unsigned int latency = wm[level];
-
- /*
- * - WM1+ latency values in 0.5us units
- * - latencies are in us on gen9/vlv/chv
- */
- if (INTEL_GEN(dev_priv) >= 9 ||
- IS_VALLEYVIEW(dev_priv) ||
- IS_CHERRYVIEW(dev_priv) ||
- IS_G4X(dev_priv))
- latency *= 10;
- else if (level > 0)
- latency *= 5;
-
- seq_printf(m, "WM%d %u (%u.%u usec)\n",
- level, wm[level], latency / 10, latency % 10);
- }
-
- drm_modeset_unlock_all(dev);
-}
-
-static int pri_wm_latency_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- const u16 *latencies;
-
- if (INTEL_GEN(dev_priv) >= 9)
- latencies = dev_priv->wm.skl_latency;
- else
- latencies = dev_priv->wm.pri_latency;
-
- wm_latency_show(m, latencies);
-
- return 0;
-}
-
-static int spr_wm_latency_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- const u16 *latencies;
-
- if (INTEL_GEN(dev_priv) >= 9)
- latencies = dev_priv->wm.skl_latency;
- else
- latencies = dev_priv->wm.spr_latency;
-
- wm_latency_show(m, latencies);
-
- return 0;
-}
-
-static int cur_wm_latency_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- const u16 *latencies;
-
- if (INTEL_GEN(dev_priv) >= 9)
- latencies = dev_priv->wm.skl_latency;
- else
- latencies = dev_priv->wm.cur_latency;
-
- wm_latency_show(m, latencies);
-
- return 0;
-}
-
-static int pri_wm_latency_open(struct inode *inode, struct file *file)
-{
- struct drm_i915_private *dev_priv = inode->i_private;
-
- if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
- return -ENODEV;
-
- return single_open(file, pri_wm_latency_show, dev_priv);
-}
-
-static int spr_wm_latency_open(struct inode *inode, struct file *file)
-{
- struct drm_i915_private *dev_priv = inode->i_private;
-
- if (HAS_GMCH(dev_priv))
- return -ENODEV;
-
- return single_open(file, spr_wm_latency_show, dev_priv);
-}
-
-static int cur_wm_latency_open(struct inode *inode, struct file *file)
-{
- struct drm_i915_private *dev_priv = inode->i_private;
-
- if (HAS_GMCH(dev_priv))
- return -ENODEV;
-
- return single_open(file, cur_wm_latency_show, dev_priv);
-}
-
-static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
- size_t len, loff_t *offp, u16 wm[8])
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- struct drm_device *dev = &dev_priv->drm;
- u16 new[8] = { 0 };
- int num_levels;
- int level;
- int ret;
- char tmp[32];
-
- if (IS_CHERRYVIEW(dev_priv))
- num_levels = 3;
- else if (IS_VALLEYVIEW(dev_priv))
- num_levels = 1;
- else if (IS_G4X(dev_priv))
- num_levels = 3;
- else
- num_levels = ilk_wm_max_level(dev_priv) + 1;
-
- if (len >= sizeof(tmp))
- return -EINVAL;
-
- if (copy_from_user(tmp, ubuf, len))
- return -EFAULT;
-
- tmp[len] = '\0';
-
- ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
- &new[0], &new[1], &new[2], &new[3],
- &new[4], &new[5], &new[6], &new[7]);
- if (ret != num_levels)
- return -EINVAL;
-
- drm_modeset_lock_all(dev);
-
- for (level = 0; level < num_levels; level++)
- wm[level] = new[level];
-
- drm_modeset_unlock_all(dev);
-
- return len;
-}
-
-
-static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- u16 *latencies;
-
- if (INTEL_GEN(dev_priv) >= 9)
- latencies = dev_priv->wm.skl_latency;
- else
- latencies = dev_priv->wm.pri_latency;
-
- return wm_latency_write(file, ubuf, len, offp, latencies);
-}
-
-static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- u16 *latencies;
-
- if (INTEL_GEN(dev_priv) >= 9)
- latencies = dev_priv->wm.skl_latency;
- else
- latencies = dev_priv->wm.spr_latency;
+ count = wal->count;
+ if (!count)
+ continue;
- return wm_latency_write(file, ubuf, len, offp, latencies);
-}
+ seq_printf(m, "%s: Workarounds applied: %u\n",
+ engine->name, count);
-static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- u16 *latencies;
+ for (wa = wal->list; count--; wa++)
+ seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
+ i915_mmio_reg_offset(wa->reg),
+ wa->set, wa->clr);
- if (INTEL_GEN(dev_priv) >= 9)
- latencies = dev_priv->wm.skl_latency;
- else
- latencies = dev_priv->wm.cur_latency;
+ seq_printf(m, "\n");
+ }
- return wm_latency_write(file, ubuf, len, offp, latencies);
+ return 0;
}
-static const struct file_operations i915_pri_wm_latency_fops = {
- .owner = THIS_MODULE,
- .open = pri_wm_latency_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = pri_wm_latency_write
-};
-
-static const struct file_operations i915_spr_wm_latency_fops = {
- .owner = THIS_MODULE,
- .open = spr_wm_latency_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = spr_wm_latency_write
-};
-
-static const struct file_operations i915_cur_wm_latency_fops = {
- .owner = THIS_MODULE,
- .open = cur_wm_latency_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cur_wm_latency_write
-};
-
static int
i915_wedged_get(void *data, u64 *val)
{
.release = i915_forcewake_release,
};
-static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct i915_hotplug *hotplug = &dev_priv->hotplug;
-
- /* Synchronize with everything first in case there's been an HPD
- * storm, but we haven't finished handling it in the kernel yet
- */
- intel_synchronize_irq(dev_priv);
- flush_work(&dev_priv->hotplug.dig_port_work);
- flush_delayed_work(&dev_priv->hotplug.hotplug_work);
-
- seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
- seq_printf(m, "Detected: %s\n",
- yesno(delayed_work_pending(&hotplug->reenable_work)));
-
- return 0;
-}
-
-static ssize_t i915_hpd_storm_ctl_write(struct file *file,
- const char __user *ubuf, size_t len,
- loff_t *offp)
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- struct i915_hotplug *hotplug = &dev_priv->hotplug;
- unsigned int new_threshold;
- int i;
- char *newline;
- char tmp[16];
-
- if (len >= sizeof(tmp))
- return -EINVAL;
-
- if (copy_from_user(tmp, ubuf, len))
- return -EFAULT;
-
- tmp[len] = '\0';
-
- /* Strip newline, if any */
- newline = strchr(tmp, '\n');
- if (newline)
- *newline = '\0';
-
- if (strcmp(tmp, "reset") == 0)
- new_threshold = HPD_STORM_DEFAULT_THRESHOLD;
- else if (kstrtouint(tmp, 10, &new_threshold) != 0)
- return -EINVAL;
-
- if (new_threshold > 0)
- drm_dbg_kms(&dev_priv->drm,
- "Setting HPD storm detection threshold to %d\n",
- new_threshold);
- else
- drm_dbg_kms(&dev_priv->drm, "Disabling HPD storm detection\n");
-
- spin_lock_irq(&dev_priv->irq_lock);
- hotplug->hpd_storm_threshold = new_threshold;
- /* Reset the HPD storm stats so we don't accidentally trigger a storm */
- for_each_hpd_pin(i)
- hotplug->stats[i].count = 0;
- spin_unlock_irq(&dev_priv->irq_lock);
-
- /* Re-enable hpd immediately if we were in an irq storm */
- flush_delayed_work(&dev_priv->hotplug.reenable_work);
-
- return len;
-}
-
-static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
-{
- return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
-}
-
-static const struct file_operations i915_hpd_storm_ctl_fops = {
- .owner = THIS_MODULE,
- .open = i915_hpd_storm_ctl_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_hpd_storm_ctl_write
-};
-
-static int i915_hpd_short_storm_ctl_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
-
- seq_printf(m, "Enabled: %s\n",
- yesno(dev_priv->hotplug.hpd_short_storm_enabled));
-
- return 0;
-}
-
-static int
-i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file)
-{
- return single_open(file, i915_hpd_short_storm_ctl_show,
- inode->i_private);
-}
-
-static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
- const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- struct seq_file *m = file->private_data;
- struct drm_i915_private *dev_priv = m->private;
- struct i915_hotplug *hotplug = &dev_priv->hotplug;
- char *newline;
- char tmp[16];
- int i;
- bool new_state;
-
- if (len >= sizeof(tmp))
- return -EINVAL;
-
- if (copy_from_user(tmp, ubuf, len))
- return -EFAULT;
-
- tmp[len] = '\0';
-
- /* Strip newline, if any */
- newline = strchr(tmp, '\n');
- if (newline)
- *newline = '\0';
-
- /* Reset to the "default" state for this system */
- if (strcmp(tmp, "reset") == 0)
- new_state = !HAS_DP_MST(dev_priv);
- else if (kstrtobool(tmp, &new_state) != 0)
- return -EINVAL;
-
- drm_dbg_kms(&dev_priv->drm, "%sabling HPD short storm detection\n",
- new_state ? "En" : "Dis");
-
- spin_lock_irq(&dev_priv->irq_lock);
- hotplug->hpd_short_storm_enabled = new_state;
- /* Reset the HPD storm stats so we don't accidentally trigger a storm */
- for_each_hpd_pin(i)
- hotplug->stats[i].count = 0;
- spin_unlock_irq(&dev_priv->irq_lock);
-
- /* Re-enable hpd immediately if we were in an irq storm */
- flush_delayed_work(&dev_priv->hotplug.reenable_work);
-
- return len;
-}
-
-static const struct file_operations i915_hpd_short_storm_ctl_fops = {
- .owner = THIS_MODULE,
- .open = i915_hpd_short_storm_ctl_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_hpd_short_storm_ctl_write,
-};
-
-static int i915_drrs_ctl_set(void *data, u64 val)
-{
- struct drm_i915_private *dev_priv = data;
- struct drm_device *dev = &dev_priv->drm;
- struct intel_crtc *crtc;
-
- if (INTEL_GEN(dev_priv) < 7)
- return -ENODEV;
-
- for_each_intel_crtc(dev, crtc) {
- struct drm_connector_list_iter conn_iter;
- struct intel_crtc_state *crtc_state;
- struct drm_connector *connector;
- struct drm_crtc_commit *commit;
- int ret;
-
- ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);
- if (ret)
- return ret;
-
- crtc_state = to_intel_crtc_state(crtc->base.state);
-
- if (!crtc_state->hw.active ||
- !crtc_state->has_drrs)
- goto out;
-
- commit = crtc_state->uapi.commit;
- if (commit) {
- ret = wait_for_completion_interruptible(&commit->hw_done);
- if (ret)
- goto out;
- }
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
- struct intel_dp *intel_dp;
-
- if (!(crtc_state->uapi.connector_mask &
- drm_connector_mask(connector)))
- continue;
-
- encoder = intel_attached_encoder(to_intel_connector(connector));
- if (encoder->type != INTEL_OUTPUT_EDP)
- continue;
-
- drm_dbg(&dev_priv->drm,
- "Manually %sabling DRRS. %llu\n",
- val ? "en" : "dis", val);
-
- intel_dp = enc_to_intel_dp(encoder);
- if (val)
- intel_edp_drrs_enable(intel_dp,
- crtc_state);
- else
- intel_edp_drrs_disable(intel_dp,
- crtc_state);
- }
- drm_connector_list_iter_end(&conn_iter);
-
-out:
- drm_modeset_unlock(&crtc->base.mutex);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_drrs_ctl_fops, NULL, i915_drrs_ctl_set, "%llu\n");
-
-static ssize_t
-i915_fifo_underrun_reset_write(struct file *filp,
- const char __user *ubuf,
- size_t cnt, loff_t *ppos)
-{
- struct drm_i915_private *dev_priv = filp->private_data;
- struct intel_crtc *intel_crtc;
- struct drm_device *dev = &dev_priv->drm;
- int ret;
- bool reset;
-
- ret = kstrtobool_from_user(ubuf, cnt, &reset);
- if (ret)
- return ret;
-
- if (!reset)
- return cnt;
-
- for_each_intel_crtc(dev, intel_crtc) {
- struct drm_crtc_commit *commit;
- struct intel_crtc_state *crtc_state;
-
- ret = drm_modeset_lock_single_interruptible(&intel_crtc->base.mutex);
- if (ret)
- return ret;
-
- crtc_state = to_intel_crtc_state(intel_crtc->base.state);
- commit = crtc_state->uapi.commit;
- if (commit) {
- ret = wait_for_completion_interruptible(&commit->hw_done);
- if (!ret)
- ret = wait_for_completion_interruptible(&commit->flip_done);
- }
-
- if (!ret && crtc_state->hw.active) {
- drm_dbg_kms(&dev_priv->drm,
- "Re-arming FIFO underruns on pipe %c\n",
- pipe_name(intel_crtc->pipe));
-
- intel_crtc_arm_fifo_underrun(intel_crtc, crtc_state);
- }
-
- drm_modeset_unlock(&intel_crtc->base.mutex);
-
- if (ret)
- return ret;
- }
-
- ret = intel_fbc_reset_underrun(dev_priv);
- if (ret)
- return ret;
-
- return cnt;
-}
-
-static const struct file_operations i915_fifo_underrun_reset_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .write = i915_fifo_underrun_reset_write,
- .llseek = default_llseek,
-};
-
static const struct drm_info_list i915_debugfs_list[] = {
{"i915_capabilities", i915_capabilities, 0},
{"i915_gem_objects", i915_gem_object_info, 0},
{"i915_frequency_info", i915_frequency_info, 0},
{"i915_drpc_info", i915_drpc_info, 0},
{"i915_ring_freq_table", i915_ring_freq_table, 0},
- {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
- {"i915_fbc_status", i915_fbc_status, 0},
- {"i915_ips_status", i915_ips_status, 0},
- {"i915_sr_status", i915_sr_status, 0},
- {"i915_opregion", i915_opregion, 0},
- {"i915_vbt", i915_vbt, 0},
- {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
{"i915_context_status", i915_context_status, 0},
{"i915_forcewake_domains", i915_forcewake_domains, 0},
{"i915_swizzle_info", i915_swizzle_info, 0},
{"i915_llc", i915_llc, 0},
- {"i915_edp_psr_status", i915_edp_psr_status, 0},
{"i915_runtime_pm_status", i915_runtime_pm_status, 0},
- {"i915_power_domain_info", i915_power_domain_info, 0},
- {"i915_dmc_info", i915_dmc_info, 0},
- {"i915_display_info", i915_display_info, 0},
{"i915_engine_info", i915_engine_info, 0},
{"i915_rcs_topology", i915_rcs_topology, 0},
{"i915_shrinker_info", i915_shrinker_info, 0},
- {"i915_shared_dplls_info", i915_shared_dplls_info, 0},
- {"i915_dp_mst_info", i915_dp_mst_info, 0},
{"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},
{"i915_rps_boost_info", i915_rps_boost_info, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
{"i915_error_state", &i915_error_state_fops},
{"i915_gpu_info", &i915_gpu_info_fops},
#endif
- {"i915_fifo_underrun_reset", &i915_fifo_underrun_reset_ops},
- {"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
- {"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
- {"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
- {"i915_fbc_false_color", &i915_fbc_false_color_fops},
- {"i915_dp_test_data", &i915_displayport_test_data_fops},
- {"i915_dp_test_type", &i915_displayport_test_type_fops},
- {"i915_dp_test_active", &i915_displayport_test_active_fops},
{"i915_guc_log_level", &i915_guc_log_level_fops},
{"i915_guc_log_relay", &i915_guc_log_relay_fops},
- {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops},
- {"i915_hpd_short_storm_ctl", &i915_hpd_short_storm_ctl_fops},
- {"i915_ipc_status", &i915_ipc_status_fops},
- {"i915_drrs_ctl", &i915_drrs_ctl_fops},
- {"i915_edp_psr_debug", &i915_edp_psr_debug_fops}
};
int i915_debugfs_register(struct drm_i915_private *dev_priv)
I915_DEBUGFS_ENTRIES,
minor->debugfs_root, minor);
}
-
-static int i915_panel_show(struct seq_file *m, void *data)
-{
- struct drm_connector *connector = m->private;
- struct intel_dp *intel_dp =
- intel_attached_dp(to_intel_connector(connector));
-
- if (connector->status != connector_status_connected)
- return -ENODEV;
-
- seq_printf(m, "Panel power up delay: %d\n",
- intel_dp->panel_power_up_delay);
- seq_printf(m, "Panel power down delay: %d\n",
- intel_dp->panel_power_down_delay);
- seq_printf(m, "Backlight on delay: %d\n",
- intel_dp->backlight_on_delay);
- seq_printf(m, "Backlight off delay: %d\n",
- intel_dp->backlight_off_delay);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_panel);
-
-static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
-{
- struct drm_connector *connector = m->private;
- struct intel_connector *intel_connector = to_intel_connector(connector);
-
- if (connector->status != connector_status_connected)
- return -ENODEV;
-
- /* HDCP is supported by connector */
- if (!intel_connector->hdcp.shim)
- return -EINVAL;
-
- seq_printf(m, "%s:%d HDCP version: ", connector->name,
- connector->base.id);
- intel_hdcp_info(m, intel_connector);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
-
-static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
-{
- struct drm_connector *connector = m->private;
- struct drm_device *dev = connector->dev;
- struct drm_crtc *crtc;
- struct intel_dp *intel_dp;
- struct drm_modeset_acquire_ctx ctx;
- struct intel_crtc_state *crtc_state = NULL;
- int ret = 0;
- bool try_again = false;
-
- drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
-
- do {
- try_again = false;
- ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
- &ctx);
- if (ret) {
- if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
- try_again = true;
- continue;
- }
- break;
- }
- crtc = connector->state->crtc;
- if (connector->status != connector_status_connected || !crtc) {
- ret = -ENODEV;
- break;
- }
- ret = drm_modeset_lock(&crtc->mutex, &ctx);
- if (ret == -EDEADLK) {
- ret = drm_modeset_backoff(&ctx);
- if (!ret) {
- try_again = true;
- continue;
- }
- break;
- } else if (ret) {
- break;
- }
- intel_dp = intel_attached_dp(to_intel_connector(connector));
- crtc_state = to_intel_crtc_state(crtc->state);
- seq_printf(m, "DSC_Enabled: %s\n",
- yesno(crtc_state->dsc.compression_enable));
- seq_printf(m, "DSC_Sink_Support: %s\n",
- yesno(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
- seq_printf(m, "Force_DSC_Enable: %s\n",
- yesno(intel_dp->force_dsc_en));
- if (!intel_dp_is_edp(intel_dp))
- seq_printf(m, "FEC_Sink_Support: %s\n",
- yesno(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
- } while (try_again);
-
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- return ret;
-}
-
-static ssize_t i915_dsc_fec_support_write(struct file *file,
- const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- bool dsc_enable = false;
- int ret;
- struct drm_connector *connector =
- ((struct seq_file *)file->private_data)->private;
- struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
- struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-
- if (len == 0)
- return 0;
-
- drm_dbg(&i915->drm,
- "Copied %zu bytes from user to force DSC\n", len);
-
- ret = kstrtobool_from_user(ubuf, len, &dsc_enable);
- if (ret < 0)
- return ret;
-
- drm_dbg(&i915->drm, "Got %s for DSC Enable\n",
- (dsc_enable) ? "true" : "false");
- intel_dp->force_dsc_en = dsc_enable;
-
- *offp += len;
- return len;
-}
-
-static int i915_dsc_fec_support_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, i915_dsc_fec_support_show,
- inode->i_private);
-}
-
-static const struct file_operations i915_dsc_fec_support_fops = {
- .owner = THIS_MODULE,
- .open = i915_dsc_fec_support_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_dsc_fec_support_write
-};
-
-/**
- * i915_debugfs_connector_add - add i915 specific connector debugfs files
- * @connector: pointer to a registered drm_connector
- *
- * Cleanup will be done by drm_connector_unregister() through a call to
- * drm_debugfs_connector_remove().
- *
- * Returns 0 on success, negative error codes on error.
- */
-int i915_debugfs_connector_add(struct drm_connector *connector)
-{
- struct dentry *root = connector->debugfs_entry;
- struct drm_i915_private *dev_priv = to_i915(connector->dev);
-
- /* The connector must have been registered beforehands. */
- if (!root)
- return -ENODEV;
-
- if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
- debugfs_create_file("i915_panel_timings", S_IRUGO, root,
- connector, &i915_panel_fops);
- debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
- connector, &i915_psr_sink_status_fops);
- }
-
- if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
- connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
- connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
- debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
- connector, &i915_hdcp_sink_capability_fops);
- }
-
- if (INTEL_GEN(dev_priv) >= 10 &&
- (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
- connector->connector_type == DRM_MODE_CONNECTOR_eDP))
- debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
- connector, &i915_dsc_fec_support_fops);
-
- return 0;
-}
projects / kernel.git / commitdiff