@@ -723,3 +723,47 @@ int intel_guc_allocate_and_map_vma(struct intel_guc *guc, u32 size,
return 0;
}
+
+/**
+ * intel_guc_load_status - dump information about GuC load status
+ * @guc: the GuC
+ * @p: the &drm_printer
+ *
+ * Pretty printer for GuC load status.
+ */
+void intel_guc_load_status(struct intel_guc *guc, struct drm_printer *p)
+{
+ struct intel_gt *gt = guc_to_gt(guc);
+ struct intel_uncore *uncore = gt->uncore;
+ intel_wakeref_t wakeref;
+
+ if (!intel_guc_is_supported(guc)) {
+ drm_printf(p, "GuC not supported\n");
+ return;
+ }
+
+ if (!intel_guc_is_wanted(guc)) {
+ drm_printf(p, "GuC disabled\n");
+ return;
+ }
+
+ intel_uc_fw_dump(&guc->fw, p);
+
+ with_intel_runtime_pm(uncore->rpm, wakeref) {
+ u32 status = intel_uncore_read(uncore, GUC_STATUS);
+ u32 i;
+
+ drm_printf(p, "\nGuC status 0x%08x:\n", status);
+ drm_printf(p, "\tBootrom status = 0x%x\n",
+ (status & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
+ drm_printf(p, "\tuKernel status = 0x%x\n",
+ (status & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
+ drm_printf(p, "\tMIA Core status = 0x%x\n",
+ (status & GS_MIA_MASK) >> GS_MIA_SHIFT);
+ drm_puts(p, "\nScratch registers:\n");
+ for (i = 0; i < 16; i++) {
+ drm_printf(p, "\t%2d: \t0x%x\n",
+ i, intel_uncore_read(uncore, SOFT_SCRATCH(i)));
+ }
+ }
+}
@@ -190,4 +190,6 @@ static inline void intel_guc_disable_msg(struct intel_guc *guc, u32 mask)
int intel_guc_reset_engine(struct intel_guc *guc,
struct intel_engine_cs *engine);
+void intel_guc_load_status(struct intel_guc *guc, struct drm_printer *p);
+
#endif
@@ -672,3 +672,95 @@ void intel_guc_log_handle_flush_event(struct intel_guc_log *log)
{
queue_work(system_highpri_wq, &log->relay.flush_work);
}
+
+static const char *
+stringify_guc_log_type(enum guc_log_buffer_type type)
+{
+ switch (type) {
+ case GUC_ISR_LOG_BUFFER:
+ return "ISR";
+ case GUC_DPC_LOG_BUFFER:
+ return "DPC";
+ case GUC_CRASH_DUMP_LOG_BUFFER:
+ return "CRASH";
+ default:
+ MISSING_CASE(type);
+ }
+
+ return "";
+}
+
+/**
+ * intel_guc_log_info - dump information about GuC log relay
+ * @guc: the GuC
+ * @p: the &drm_printer
+ *
+ * Pretty printer for GuC log info
+ */
+void intel_guc_log_info(struct intel_guc_log *log, struct drm_printer *p)
+{
+ enum guc_log_buffer_type type;
+
+ if (!intel_guc_log_relay_created(log)) {
+ drm_puts(p, "GuC log relay not created\n");
+ return;
+ }
+
+ drm_puts(p, "GuC logging stats:\n");
+
+ drm_printf(p, "\tRelay full count: %u\n", log->relay.full_count);
+
+ for (type = GUC_ISR_LOG_BUFFER; type < GUC_MAX_LOG_BUFFER; type++) {
+ drm_printf(p, "\t%s:\tflush count %10u, overflow count %10u\n",
+ stringify_guc_log_type(type),
+ log->stats[type].flush,
+ log->stats[type].sampled_overflow);
+ }
+}
+
+/**
+ * intel_guc_log_dump - dump the contents of the GuC log
+ * @log: the GuC log
+ * @p: the &drm_printer
+ * @dump_load_err: dump the log saved on GuC load error
+ *
+ * Pretty printer for the GuC log
+ */
+int intel_guc_log_dump(struct intel_guc_log *log, struct drm_printer *p,
+ bool dump_load_err)
+{
+ struct intel_guc *guc = log_to_guc(log);
+ struct intel_uc *uc = container_of(guc, struct intel_uc, guc);
+ struct drm_i915_gem_object *obj = NULL;
+ u32 *map;
+ int i = 0;
+
+ if (!intel_guc_is_supported(guc))
+ return -ENODEV;
+
+ if (dump_load_err)
+ obj = uc->load_err_log;
+ else if (guc->log.vma)
+ obj = guc->log.vma->obj;
+
+ if (!obj)
+ return 0;
+
+ map = i915_gem_object_pin_map(obj, I915_MAP_WC);
+ if (IS_ERR(map)) {
+ DRM_DEBUG("Failed to pin object\n");
+ drm_puts(p, "(log data unaccessible)\n");
+ return PTR_ERR(map);
+ }
+
+ for (i = 0; i < obj->base.size / sizeof(u32); i += 4)
+ drm_printf(p, "0x%08x 0x%08x 0x%08x 0x%08x\n",
+ *(map + i), *(map + i + 1),
+ *(map + i + 2), *(map + i + 3));
+
+ drm_puts(p, "\n");
+
+ i915_gem_object_unpin_map(obj);
+
+ return 0;
+}
@@ -79,4 +79,8 @@ static inline u32 intel_guc_log_get_level(struct intel_guc_log *log)
return log->level;
}
+void intel_guc_log_info(struct intel_guc_log *log, struct drm_printer *p);
+int intel_guc_log_dump(struct intel_guc_log *log, struct drm_printer *p,
+ bool dump_load_err);
+
#endif
@@ -218,3 +218,32 @@ int intel_huc_check_status(struct intel_huc *huc)
return (status & huc->status.mask) == huc->status.value;
}
+
+/**
+ * intel_huc_load_status - dump information about HuC load status
+ * @huc: the HuC
+ * @p: the &drm_printer
+ *
+ * Pretty printer for HuC load status.
+ */
+void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p)
+{
+ struct intel_gt *gt = huc_to_gt(huc);
+ intel_wakeref_t wakeref;
+
+ if (!intel_huc_is_supported(huc)) {
+ drm_printf(p, "HuC not supported\n");
+ return;
+ }
+
+ if (!intel_huc_is_wanted(huc)) {
+ drm_printf(p, "HuC disabled\n");
+ return;
+ }
+
+ intel_uc_fw_dump(&huc->fw, p);
+
+ with_intel_runtime_pm(gt->uncore->rpm, wakeref)
+ drm_printf(p, "\nHuC status 0x%08x:\n",
+ intel_uncore_read(gt->uncore, HUC_STATUS2));
+}
@@ -57,4 +57,6 @@ static inline bool intel_huc_is_authenticated(struct intel_huc *huc)
return intel_uc_fw_is_running(&huc->fw);
}
+void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p);
+
#endif
@@ -1251,105 +1251,32 @@ static int i915_llc(struct seq_file *m, void *data)
return 0;
}
-static int i915_huc_load_status_info(struct seq_file *m, void *data)
+static int i915_huc_info(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
- struct drm_printer p;
-
- if (!HAS_GT_UC(dev_priv))
- return -ENODEV;
-
- p = drm_seq_file_printer(m);
- intel_uc_fw_dump(&dev_priv->gt.uc.huc.fw, &p);
-
- with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref)
- seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2));
-
- return 0;
-}
-
-static int i915_guc_load_status_info(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
- struct drm_printer p;
+ struct intel_huc *huc = &dev_priv->gt.uc.huc;
+ struct drm_printer p = drm_seq_file_printer(m);
- if (!HAS_GT_UC(dev_priv))
+ if (!intel_huc_is_supported(huc))
return -ENODEV;
- p = drm_seq_file_printer(m);
- intel_uc_fw_dump(&dev_priv->gt.uc.guc.fw, &p);
-
- with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
- u32 tmp = I915_READ(GUC_STATUS);
- u32 i;
-
- seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
- seq_printf(m, "\tBootrom status = 0x%x\n",
- (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
- seq_printf(m, "\tuKernel status = 0x%x\n",
- (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
- seq_printf(m, "\tMIA Core status = 0x%x\n",
- (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
- seq_puts(m, "\nScratch registers:\n");
- for (i = 0; i < 16; i++) {
- seq_printf(m, "\t%2d: \t0x%x\n",
- i, I915_READ(SOFT_SCRATCH(i)));
- }
- }
+ intel_huc_load_status(huc, &p);
return 0;
}
-static const char *
-stringify_guc_log_type(enum guc_log_buffer_type type)
-{
- switch (type) {
- case GUC_ISR_LOG_BUFFER:
- return "ISR";
- case GUC_DPC_LOG_BUFFER:
- return "DPC";
- case GUC_CRASH_DUMP_LOG_BUFFER:
- return "CRASH";
- default:
- MISSING_CASE(type);
- }
-
- return "";
-}
-
-static void i915_guc_log_info(struct seq_file *m, struct intel_guc_log *log)
-{
- enum guc_log_buffer_type type;
-
- if (!intel_guc_log_relay_created(log)) {
- seq_puts(m, "GuC log relay not created\n");
- return;
- }
-
- seq_puts(m, "GuC logging stats:\n");
-
- seq_printf(m, "\tRelay full count: %u\n",
- log->relay.full_count);
-
- for (type = GUC_ISR_LOG_BUFFER; type < GUC_MAX_LOG_BUFFER; type++) {
- seq_printf(m, "\t%s:\tflush count %10u, overflow count %10u\n",
- stringify_guc_log_type(type),
- log->stats[type].flush,
- log->stats[type].sampled_overflow);
- }
-}
-
static int i915_guc_info(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct intel_uc *uc = &dev_priv->gt.uc;
+ struct intel_guc *guc = &dev_priv->gt.uc.guc;
+ struct drm_printer p = drm_seq_file_printer(m);
- if (!intel_uc_uses_guc(uc))
+ if (!intel_guc_is_supported(guc))
return -ENODEV;
- i915_guc_log_info(m, &uc->guc.log);
+ intel_guc_load_status(guc, &p);
+ drm_puts(&p, "\n");
+ intel_guc_log_info(&guc->log, &p);
/* Add more as required ... */
@@ -1360,39 +1287,14 @@ static int i915_guc_log_dump(struct seq_file *m, void *data)
{
struct drm_info_node *node = m->private;
struct drm_i915_private *dev_priv = node_to_i915(node);
+ struct intel_guc *guc = &dev_priv->gt.uc.guc;
bool dump_load_err = !!node->info_ent->data;
- struct drm_i915_gem_object *obj = NULL;
- u32 *log;
- int i = 0;
+ struct drm_printer p = drm_seq_file_printer(m);
- if (!HAS_GT_UC(dev_priv))
+ if (!intel_guc_is_supported(guc))
return -ENODEV;
- if (dump_load_err)
- obj = dev_priv->gt.uc.load_err_log;
- else if (dev_priv->gt.uc.guc.log.vma)
- obj = dev_priv->gt.uc.guc.log.vma->obj;
-
- if (!obj)
- return 0;
-
- log = i915_gem_object_pin_map(obj, I915_MAP_WC);
- if (IS_ERR(log)) {
- DRM_DEBUG("Failed to pin object\n");
- seq_puts(m, "(log data unaccessible)\n");
- return PTR_ERR(log);
- }
-
- for (i = 0; i < obj->base.size / sizeof(u32); i += 4)
- seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n",
- *(log + i), *(log + i + 1),
- *(log + i + 2), *(log + i + 3));
-
- seq_putc(m, '\n');
-
- i915_gem_object_unpin_map(obj);
-
- return 0;
+ return intel_guc_log_dump(&guc->log, &p, dump_load_err);
}
static int i915_guc_log_level_get(void *data, u64 *val)
@@ -2088,10 +1990,9 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
{"i915_gem_interrupt", i915_interrupt_info, 0},
{"i915_guc_info", i915_guc_info, 0},
- {"i915_guc_load_status", i915_guc_load_status_info, 0},
{"i915_guc_log_dump", i915_guc_log_dump, 0},
{"i915_guc_load_err_log_dump", i915_guc_log_dump, 0, (void *)1},
- {"i915_huc_load_status", i915_huc_load_status_info, 0},
+ {"i915_huc_info", i915_huc_info, 0},
{"i915_frequency_info", i915_frequency_info, 0},
{"i915_ring_freq_table", i915_ring_freq_table, 0},
{"i915_context_status", i915_context_status, 0},
Move the printers to the respective files for clarity. The guc_load_status debugfs has been squashed in the guc_info one, has having separate ones wasn't very useful. The HuC debugfs has been renamed huc_info to match. v2: keep printing HUC_STATUS2 (Tony), avoid const->non-const container_of (Jani) Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: John Harrison <John.C.Harrison@Intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: Tony Ye <tony.ye@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Reviewed-by: John Harrison <John.C.Harrison@Intel.com> --- drivers/gpu/drm/i915/gt/uc/intel_guc.c | 44 +++++++ drivers/gpu/drm/i915/gt/uc/intel_guc.h | 2 + drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 92 +++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_log.h | 4 + drivers/gpu/drm/i915/gt/uc/intel_huc.c | 29 +++++ drivers/gpu/drm/i915/gt/uc/intel_huc.h | 2 + drivers/gpu/drm/i915/i915_debugfs.c | 131 +++------------------ 7 files changed, 189 insertions(+), 115 deletions(-)