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-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc.c46
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc.h7
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c42
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h14
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c14
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h1
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_log.c97
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_log.h4
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c124
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h15
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c2
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc.c53
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc.h2
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c36
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h14
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c17
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h1
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc.c35
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc.h1
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c30
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h14
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c56
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h3
23 files changed, 541 insertions, 87 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 819f09ef51fc..861657897c0f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -169,7 +169,7 @@ void intel_guc_init_early(struct intel_guc *guc)
{
struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
- intel_guc_fw_init_early(guc);
+ intel_uc_fw_init_early(&guc->fw, INTEL_UC_FW_TYPE_GUC);
intel_guc_ct_init_early(&guc->ct);
intel_guc_log_init_early(&guc->log);
intel_guc_submission_init_early(guc);
@@ -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)));
+ }
+ }
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index 4594ccbeaa34..e84ab67b317d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -74,6 +74,11 @@ struct intel_guc {
struct mutex send_mutex;
};
+static inline struct intel_guc *log_to_guc(struct intel_guc_log *log)
+{
+ return container_of(log, struct intel_guc, log);
+}
+
static
inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
{
@@ -190,4 +195,6 @@ 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
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
new file mode 100644
index 000000000000..fe7cb7b29a1e
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_print.h>
+
+#include "gt/debugfs_gt.h"
+#include "intel_guc.h"
+#include "intel_guc_debugfs.h"
+#include "intel_guc_log_debugfs.h"
+
+static int guc_info_show(struct seq_file *m, void *data)
+{
+ struct intel_guc *guc = m->private;
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ if (!intel_guc_is_supported(guc))
+ return -ENODEV;
+
+ intel_guc_load_status(guc, &p);
+ drm_puts(&p, "\n");
+ intel_guc_log_info(&guc->log, &p);
+
+ /* Add more as required ... */
+
+ return 0;
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_info);
+
+void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root)
+{
+ static const struct debugfs_gt_file files[] = {
+ { "guc_info", &guc_info_fops, NULL },
+ };
+
+ if (!intel_guc_is_supported(guc))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), guc);
+ intel_guc_log_debugfs_register(&guc->log, root);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h
new file mode 100644
index 000000000000..424c26665cf1
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_GUC_H
+#define DEBUGFS_GUC_H
+
+struct intel_guc;
+struct dentry;
+
+void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root);
+
+#endif /* DEBUGFS_GUC_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
index 3a1c47d600ea..d4a87f4c9421 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
@@ -13,20 +13,6 @@
#include "intel_guc_fw.h"
#include "i915_drv.h"
-/**
- * intel_guc_fw_init_early() - initializes GuC firmware struct
- * @guc: intel_guc struct
- *
- * On platforms with GuC selects firmware for uploading
- */
-void intel_guc_fw_init_early(struct intel_guc *guc)
-{
- struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
-
- intel_uc_fw_init_early(&guc->fw, INTEL_UC_FW_TYPE_GUC, HAS_GT_UC(i915),
- INTEL_INFO(i915)->platform, INTEL_REVID(i915));
-}
-
static void guc_prepare_xfer(struct intel_uncore *uncore)
{
u32 shim_flags = GUC_DISABLE_SRAM_INIT_TO_ZEROES |
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
index b5ab639d7259..0b4d2a9c9435 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
@@ -8,7 +8,6 @@
struct intel_guc;
-void intel_guc_fw_init_early(struct intel_guc *guc);
int intel_guc_fw_upload(struct intel_guc *guc);
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
index caed0d57e704..fb10f3597ea5 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
@@ -55,11 +55,6 @@ static int guc_action_control_log(struct intel_guc *guc, bool enable,
return intel_guc_send(guc, action, ARRAY_SIZE(action));
}
-static inline struct intel_guc *log_to_guc(struct intel_guc_log *log)
-{
- return container_of(log, struct intel_guc, log);
-}
-
static void guc_log_enable_flush_events(struct intel_guc_log *log)
{
intel_guc_enable_msg(log_to_guc(log),
@@ -672,3 +667,95 @@ 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
+ * @log: the GuC log
+ * @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;
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
index c252c022c5fc..11fccd0b2294 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
@@ -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
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c
new file mode 100644
index 000000000000..129e0cf7dfe2
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c
@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/fs.h>
+#include <drm/drm_print.h>
+
+#include "gt/debugfs_gt.h"
+#include "intel_guc.h"
+#include "intel_guc_log.h"
+#include "intel_guc_log_debugfs.h"
+
+static int guc_log_dump_show(struct seq_file *m, void *data)
+{
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ return intel_guc_log_dump(m->private, &p, false);
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_log_dump);
+
+static int guc_load_err_log_dump_show(struct seq_file *m, void *data)
+{
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ return intel_guc_log_dump(m->private, &p, true);
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_load_err_log_dump);
+
+static int guc_log_level_get(void *data, u64 *val)
+{
+ struct intel_guc_log *log = data;
+
+ if (!intel_guc_is_used(log_to_guc(log)))
+ return -ENODEV;
+
+ *val = intel_guc_log_get_level(log);
+
+ return 0;
+}
+
+static int guc_log_level_set(void *data, u64 val)
+{
+ struct intel_guc_log *log = data;
+
+ if (!intel_guc_is_used(log_to_guc(log)))
+ return -ENODEV;
+
+ return intel_guc_log_set_level(log, val);
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(guc_log_level_fops,
+ guc_log_level_get, guc_log_level_set,
+ "%lld\n");
+
+static int guc_log_relay_open(struct inode *inode, struct file *file)
+{
+ struct intel_guc_log *log = inode->i_private;
+
+ if (!intel_guc_is_ready(log_to_guc(log)))
+ return -ENODEV;
+
+ file->private_data = log;
+
+ return intel_guc_log_relay_open(log);
+}
+
+static ssize_t
+guc_log_relay_write(struct file *filp,
+ const char __user *ubuf,
+ size_t cnt,
+ loff_t *ppos)
+{
+ struct intel_guc_log *log = filp->private_data;
+ int val;
+ int ret;
+
+ ret = kstrtoint_from_user(ubuf, cnt, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Enable and start the guc log relay on value of 1.
+ * Flush log relay for any other value.
+ */
+ if (val == 1)
+ ret = intel_guc_log_relay_start(log);
+ else
+ intel_guc_log_relay_flush(log);
+
+ return ret ?: cnt;
+}
+
+static int guc_log_relay_release(struct inode *inode, struct file *file)
+{
+ struct intel_guc_log *log = inode->i_private;
+
+ intel_guc_log_relay_close(log);
+ return 0;
+}
+
+static const struct file_operations guc_log_relay_fops = {
+ .owner = THIS_MODULE,
+ .open = guc_log_relay_open,
+ .write = guc_log_relay_write,
+ .release = guc_log_relay_release,
+};
+
+void intel_guc_log_debugfs_register(struct intel_guc_log *log,
+ struct dentry *root)
+{
+ static const struct debugfs_gt_file files[] = {
+ { "guc_log_dump", &guc_log_dump_fops, NULL },
+ { "guc_load_err_log_dump", &guc_load_err_log_dump_fops, NULL },
+ { "guc_log_level", &guc_log_level_fops, NULL },
+ { "guc_log_relay", &guc_log_relay_fops, NULL },
+ };
+
+ if (!intel_guc_is_supported(log_to_guc(log)))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), log);
+}
+
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h
new file mode 100644
index 000000000000..e8900e3d74ea
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_GUC_LOG_H
+#define DEBUGFS_GUC_LOG_H
+
+struct intel_guc_log;
+struct dentry;
+
+void intel_guc_log_debugfs_register(struct intel_guc_log *log,
+ struct dentry *root);
+
+#endif /* DEBUGFS_GUC_LOG_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index aa6d56e25a10..94eb63f309ce 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -258,7 +258,7 @@ static void guc_submit(struct intel_engine_cs *engine,
static inline int rq_prio(const struct i915_request *rq)
{
- return rq->sched.attr.priority | __NO_PREEMPTION;
+ return rq->sched.attr.priority;
}
static struct i915_request *schedule_in(struct i915_request *rq, int idx)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
index a74b65694512..65eeb44b397d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
@@ -41,7 +41,7 @@ void intel_huc_init_early(struct intel_huc *huc)
{
struct drm_i915_private *i915 = huc_to_gt(huc)->i915;
- intel_huc_fw_init_early(huc);
+ intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC);
if (INTEL_GEN(i915) >= 11) {
huc->status.reg = GEN11_HUC_KERNEL_LOAD_INFO;
@@ -200,9 +200,13 @@ fail:
* This function reads status register to verify if HuC
* firmware was successfully loaded.
*
- * Returns: 1 if HuC firmware is loaded and verified,
- * 0 if HuC firmware is not loaded and -ENODEV if HuC
- * is not present on this platform.
+ * Returns:
+ * * -ENODEV if HuC is not present on this platform,
+ * * -EOPNOTSUPP if HuC firmware is disabled,
+ * * -ENOPKG if HuC firmware was not installed,
+ * * -ENOEXEC if HuC firmware is invalid or mismatched,
+ * * 0 if HuC firmware is not running,
+ * * 1 if HuC firmware is authenticated and running.
*/
int intel_huc_check_status(struct intel_huc *huc)
{
@@ -210,11 +214,50 @@ int intel_huc_check_status(struct intel_huc *huc)
intel_wakeref_t wakeref;
u32 status = 0;
- if (!intel_huc_is_supported(huc))
+ switch (__intel_uc_fw_status(&huc->fw)) {
+ case INTEL_UC_FIRMWARE_NOT_SUPPORTED:
return -ENODEV;
+ case INTEL_UC_FIRMWARE_DISABLED:
+ return -EOPNOTSUPP;
+ case INTEL_UC_FIRMWARE_MISSING:
+ return -ENOPKG;
+ case INTEL_UC_FIRMWARE_ERROR:
+ return -ENOEXEC;
+ default:
+ break;
+ }
with_intel_runtime_pm(gt->uncore->rpm, wakeref)
status = intel_uncore_read(gt->uncore, huc->status.reg);
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, "HuC status: 0x%08x\n",
+ intel_uncore_read(gt->uncore, huc->status.reg));
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
index a40b9cfc6c22..daee43b661d4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
@@ -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
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c
new file mode 100644
index 000000000000..5733c15fd123
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_print.h>
+
+#include "gt/debugfs_gt.h"
+#include "intel_huc.h"
+#include "intel_huc_debugfs.h"
+
+static int huc_info_show(struct seq_file *m, void *data)
+{
+ struct intel_huc *huc = m->private;
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ if (!intel_huc_is_supported(huc))
+ return -ENODEV;
+
+ intel_huc_load_status(huc, &p);
+
+ return 0;
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(huc_info);
+
+void intel_huc_debugfs_register(struct intel_huc *huc, struct dentry *root)
+{
+ static const struct debugfs_gt_file files[] = {
+ { "huc_info", &huc_info_fops, NULL },
+ };
+
+ if (!intel_huc_is_supported(huc))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), huc);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h
new file mode 100644
index 000000000000..be79e992f976
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_HUC_H
+#define DEBUGFS_HUC_H
+
+struct intel_huc;
+struct dentry;
+
+void intel_huc_debugfs_register(struct intel_huc *huc, struct dentry *root);
+
+#endif /* DEBUGFS_HUC_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
index 9cdf4cbe691c..e5ef509c70e8 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
@@ -8,23 +8,6 @@
#include "i915_drv.h"
/**
- * intel_huc_fw_init_early() - initializes HuC firmware struct
- * @huc: intel_huc struct
- *
- * On platforms with HuC selects firmware for uploading
- */
-void intel_huc_fw_init_early(struct intel_huc *huc)
-{
- struct intel_gt *gt = huc_to_gt(huc);
- struct intel_uc *uc = &gt->uc;
- struct drm_i915_private *i915 = gt->i915;
-
- intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC,
- intel_uc_wants_guc(uc),
- INTEL_INFO(i915)->platform, INTEL_REVID(i915));
-}
-
-/**
* intel_huc_fw_upload() - load HuC uCode to device
* @huc: intel_huc structure
*
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
index b791269ce923..12f264ee3e0b 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
@@ -8,7 +8,6 @@
struct intel_huc;
-void intel_huc_fw_init_early(struct intel_huc *huc);
int intel_huc_fw_upload(struct intel_huc *huc);
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index a4cbe06e06bd..f518fe05c6f9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -45,12 +45,12 @@ static void __confirm_options(struct intel_uc *uc)
{
struct drm_i915_private *i915 = uc_to_gt(uc)->i915;
- DRM_DEV_DEBUG_DRIVER(i915->drm.dev,
- "enable_guc=%d (guc:%s submission:%s huc:%s)\n",
- i915_modparams.enable_guc,
- yesno(intel_uc_wants_guc(uc)),
- yesno(intel_uc_wants_guc_submission(uc)),
- yesno(intel_uc_wants_huc(uc)));
+ drm_dbg(&i915->drm,
+ "enable_guc=%d (guc:%s submission:%s huc:%s)\n",
+ i915_modparams.enable_guc,
+ yesno(intel_uc_wants_guc(uc)),
+ yesno(intel_uc_wants_guc_submission(uc)),
+ yesno(intel_uc_wants_huc(uc)));
if (i915_modparams.enable_guc == -1)
return;
@@ -63,25 +63,25 @@ static void __confirm_options(struct intel_uc *uc)
}
if (!intel_uc_supports_guc(uc))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "GuC is not supported!");
if (i915_modparams.enable_guc & ENABLE_GUC_LOAD_HUC &&
!intel_uc_supports_huc(uc))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "HuC is not supported!");
if (i915_modparams.enable_guc & ENABLE_GUC_SUBMISSION &&
!intel_uc_supports_guc_submission(uc))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "GuC submission is N/A");
if (i915_modparams.enable_guc & ~(ENABLE_GUC_SUBMISSION |
ENABLE_GUC_LOAD_HUC))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "undocumented flag");
}
@@ -131,6 +131,13 @@ static void __uc_free_load_err_log(struct intel_uc *uc)
i915_gem_object_put(log);
}
+void intel_uc_driver_remove(struct intel_uc *uc)
+{
+ intel_uc_fini_hw(uc);
+ intel_uc_fini(uc);
+ __uc_free_load_err_log(uc);
+}
+
static inline bool guc_communication_enabled(struct intel_guc *guc)
{
return intel_guc_ct_enabled(&guc->ct);
@@ -311,8 +318,6 @@ static void __uc_fini(struct intel_uc *uc)
{
intel_huc_fini(&uc->huc);
intel_guc_fini(&uc->guc);
-
- __uc_free_load_err_log(uc);
}
static int __uc_sanitize(struct intel_uc *uc)
@@ -475,14 +480,14 @@ static int __uc_init_hw(struct intel_uc *uc)
if (intel_uc_uses_guc_submission(uc))
intel_guc_submission_enable(guc);
- dev_info(i915->drm.dev, "%s firmware %s version %u.%u %s:%s\n",
+ drm_info(&i915->drm, "%s firmware %s version %u.%u %s:%s\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_GUC), guc->fw.path,
guc->fw.major_ver_found, guc->fw.minor_ver_found,
"submission",
enableddisabled(intel_uc_uses_guc_submission(uc)));
if (intel_uc_uses_huc(uc)) {
- dev_info(i915->drm.dev, "%s firmware %s version %u.%u %s:%s\n",
+ drm_info(&i915->drm, "%s firmware %s version %u.%u %s:%s\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_HUC),
huc->fw.path,
huc->fw.major_ver_found, huc->fw.minor_ver_found,
@@ -503,7 +508,7 @@ err_out:
__uc_sanitize(uc);
if (!ret) {
- dev_notice(i915->drm.dev, "GuC is uninitialized\n");
+ drm_notice(&i915->drm, "GuC is uninitialized\n");
/* We want to run without GuC submission */
return 0;
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
index 5ae7b50b7dc1..9c954c589edf 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
@@ -34,6 +34,7 @@ struct intel_uc {
void intel_uc_init_early(struct intel_uc *uc);
void intel_uc_driver_late_release(struct intel_uc *uc);
+void intel_uc_driver_remove(struct intel_uc *uc);
void intel_uc_init_mmio(struct intel_uc *uc);
void intel_uc_reset_prepare(struct intel_uc *uc);
void intel_uc_suspend(struct intel_uc *uc);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c
new file mode 100644
index 000000000000..9d16b784aa0d
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/debugfs.h>
+
+#include "intel_guc_debugfs.h"
+#include "intel_huc_debugfs.h"
+#include "intel_uc.h"
+#include "intel_uc_debugfs.h"
+
+void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
+{
+ struct dentry *root;
+
+ if (!gt_root)
+ return;
+
+ /* GuC and HuC go always in pair, no need to check both */
+ if (!intel_uc_supports_guc(uc))
+ return;
+
+ root = debugfs_create_dir("uc", gt_root);
+ if (IS_ERR(root))
+ return;
+
+ intel_guc_debugfs_register(&uc->guc, root);
+ intel_huc_debugfs_register(&uc->huc, root);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h
new file mode 100644
index 000000000000..010ce250d223
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_UC_H
+#define DEBUGFS_UC_H
+
+struct intel_uc;
+struct dentry;
+
+void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root);
+
+#endif /* DEBUGFS_UC_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index 18c755203688..e1caae93996d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -11,26 +11,32 @@
#include "intel_uc_fw_abi.h"
#include "i915_drv.h"
-static inline struct intel_gt *__uc_fw_to_gt(struct intel_uc_fw *uc_fw)
+static inline struct intel_gt *
+____uc_fw_to_gt(struct intel_uc_fw *uc_fw, enum intel_uc_fw_type type)
{
- GEM_BUG_ON(uc_fw->status == INTEL_UC_FIRMWARE_UNINITIALIZED);
- if (uc_fw->type == INTEL_UC_FW_TYPE_GUC)
+ if (type == INTEL_UC_FW_TYPE_GUC)
return container_of(uc_fw, struct intel_gt, uc.guc.fw);
- GEM_BUG_ON(uc_fw->type != INTEL_UC_FW_TYPE_HUC);
+ GEM_BUG_ON(type != INTEL_UC_FW_TYPE_HUC);
return container_of(uc_fw, struct intel_gt, uc.huc.fw);
}
+static inline struct intel_gt *__uc_fw_to_gt(struct intel_uc_fw *uc_fw)
+{
+ GEM_BUG_ON(uc_fw->status == INTEL_UC_FIRMWARE_UNINITIALIZED);
+ return ____uc_fw_to_gt(uc_fw, uc_fw->type);
+}
+
#ifdef CONFIG_DRM_I915_DEBUG_GUC
void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
enum intel_uc_fw_status status)
{
uc_fw->__status = status;
- DRM_DEV_DEBUG_DRIVER(__uc_fw_to_gt(uc_fw)->i915->drm.dev,
- "%s firmware -> %s\n",
- intel_uc_fw_type_repr(uc_fw->type),
- status == INTEL_UC_FIRMWARE_SELECTED ?
- uc_fw->path : intel_uc_fw_status_repr(status));
+ drm_dbg(&__uc_fw_to_gt(uc_fw)->i915->drm,
+ "%s firmware -> %s\n",
+ intel_uc_fw_type_repr(uc_fw->type),
+ status == INTEL_UC_FIRMWARE_SELECTED ?
+ uc_fw->path : intel_uc_fw_status_repr(status));
}
#endif
@@ -187,17 +193,15 @@ static void __uc_fw_user_override(struct intel_uc_fw *uc_fw)
* intel_uc_fw_init_early - initialize the uC object and select the firmware
* @uc_fw: uC firmware
* @type: type of uC
- * @supported: is uC support possible
- * @platform: platform identifier
- * @rev: hardware revision
*
* Initialize the state of our uC object and relevant tracking and select the
* firmware to fetch and load.
*/
void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw,
- enum intel_uc_fw_type type, bool supported,
- enum intel_platform platform, u8 rev)
+ enum intel_uc_fw_type type)
{
+ struct drm_i915_private *i915 = ____uc_fw_to_gt(uc_fw, type)->i915;
+
/*
* we use FIRMWARE_UNINITIALIZED to detect checks against uc_fw->status
* before we're looked at the HW caps to see if we have uc support
@@ -208,8 +212,10 @@ void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw,
uc_fw->type = type;
- if (supported) {
- __uc_fw_auto_select(uc_fw, platform, rev);
+ if (HAS_GT_UC(i915)) {
+ __uc_fw_auto_select(uc_fw,
+ INTEL_INFO(i915)->platform,
+ INTEL_REVID(i915));
__uc_fw_user_override(uc_fw);
}
@@ -290,7 +296,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* Check the size of the blob before examining buffer contents */
if (unlikely(fw->size < sizeof(struct uc_css_header))) {
- dev_warn(dev, "%s firmware %s: invalid size: %zu < %zu\n",
+ drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu < %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
fw->size, sizeof(struct uc_css_header));
err = -ENODATA;
@@ -303,7 +309,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
size = (css->header_size_dw - css->key_size_dw - css->modulus_size_dw -
css->exponent_size_dw) * sizeof(u32);
if (unlikely(size != sizeof(struct uc_css_header))) {
- dev_warn(dev,
+ drm_warn(&i915->drm,
"%s firmware %s: unexpected header size: %zu != %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
fw->size, sizeof(struct uc_css_header));
@@ -316,7 +322,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* now RSA */
if (unlikely(css->key_size_dw != UOS_RSA_SCRATCH_COUNT)) {
- dev_warn(dev, "%s firmware %s: unexpected key size: %u != %u\n",
+ drm_warn(&i915->drm, "%s firmware %s: unexpected key size: %u != %u\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
css->key_size_dw, UOS_RSA_SCRATCH_COUNT);
err = -EPROTO;
@@ -327,7 +333,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* At least, it should have header, uCode and RSA. Size of all three. */
size = sizeof(struct uc_css_header) + uc_fw->ucode_size + uc_fw->rsa_size;
if (unlikely(fw->size < size)) {
- dev_warn(dev, "%s firmware %s: invalid size: %zu < %zu\n",
+ drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu < %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
fw->size, size);
err = -ENOEXEC;
@@ -337,7 +343,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* Sanity check whether this fw is not larger than whole WOPCM memory */
size = __intel_uc_fw_get_upload_size(uc_fw);
if (unlikely(size >= i915->wopcm.size)) {
- dev_warn(dev, "%s firmware %s: invalid size: %zu > %zu\n",
+ drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu > %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
size, (size_t)i915->wopcm.size);
err = -E2BIG;
@@ -352,7 +358,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
if (uc_fw->major_ver_found != uc_fw->major_ver_wanted ||
uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) {
- dev_notice(dev, "%s firmware %s: unexpected version: %u.%u != %u.%u\n",
+ drm_notice(&i915->drm, "%s firmware %s: unexpected version: %u.%u != %u.%u\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
uc_fw->major_ver_found, uc_fw->minor_ver_found,
uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted);
@@ -380,9 +386,9 @@ fail:
INTEL_UC_FIRMWARE_MISSING :
INTEL_UC_FIRMWARE_ERROR);
- dev_notice(dev, "%s firmware %s: fetch failed with error %d\n",
+ drm_notice(&i915->drm, "%s firmware %s: fetch failed with error %d\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err);
- dev_info(dev, "%s firmware(s) can be downloaded from %s\n",
+ drm_info(&i915->drm, "%s firmware(s) can be downloaded from %s\n",
intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL);
release_firmware(fw); /* OK even if fw is NULL */
@@ -467,7 +473,7 @@ static int uc_fw_xfer(struct intel_uc_fw *uc_fw, u32 dst_offset, u32 dma_flags)
/* Wait for DMA to finish */
ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100);
if (ret)
- dev_err(gt->i915->drm.dev, "DMA for %s fw failed, DMA_CTRL=%u\n",
+ drm_err(&gt->i915->drm, "DMA for %s fw failed, DMA_CTRL=%u\n",
intel_uc_fw_type_repr(uc_fw->type),
intel_uncore_read_fw(uncore, DMA_CTRL));
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
index 888ff0de0244..23d3a423ac0f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
@@ -239,8 +239,7 @@ static inline u32 intel_uc_fw_get_upload_size(struct intel_uc_fw *uc_fw)
}
void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw,
- enum intel_uc_fw_type type, bool supported,
- enum intel_platform platform, u8 rev);
+ enum intel_uc_fw_type type);
int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw);
void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw);
int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, u32 offset, u32 dma_flags);