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path: root/drivers/gpu/drm/i915/i915_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c116
1 files changed, 86 insertions, 30 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e4d4b6b41e26..b4a6ac60e7c6 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -67,7 +67,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
#undef PRINT_FLAG
kernel_param_lock(THIS_MODULE);
-#define PRINT_PARAM(T, x) seq_print_param(m, #x, #T, &i915.x);
+#define PRINT_PARAM(T, x, ...) seq_print_param(m, #x, #T, &i915_modparams.x);
I915_PARAMS_FOR_EACH(PRINT_PARAM);
#undef PRINT_PARAM
kernel_param_unlock(THIS_MODULE);
@@ -1267,7 +1267,7 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
if (waitqueue_active(&dev_priv->gpu_error.reset_queue))
seq_puts(m, "struct_mutex blocked for reset\n");
- if (!i915.enable_hangcheck) {
+ if (!i915_modparams.enable_hangcheck) {
seq_puts(m, "Hangcheck disabled\n");
return 0;
}
@@ -1422,6 +1422,9 @@ static int i915_forcewake_domains(struct seq_file *m, void *data)
struct intel_uncore_forcewake_domain *fw_domain;
unsigned int tmp;
+ seq_printf(m, "user.bypass_count = %u\n",
+ i915->uncore.user_forcewake.count);
+
for_each_fw_domain(fw_domain, i915, tmp)
seq_printf(m, "%s.wake_count = %u\n",
intel_uncore_forcewake_domain_to_str(fw_domain->id),
@@ -1699,7 +1702,7 @@ static int i915_ips_status(struct seq_file *m, void *unused)
intel_runtime_pm_get(dev_priv);
seq_printf(m, "Enabled by kernel parameter: %s\n",
- yesno(i915.enable_ips));
+ yesno(i915_modparams.enable_ips));
if (INTEL_GEN(dev_priv) >= 8) {
seq_puts(m, "Currently: unknown\n");
@@ -2014,7 +2017,7 @@ static int i915_dump_lrc(struct seq_file *m, void *unused)
enum intel_engine_id id;
int ret;
- if (!i915.enable_execlists) {
+ if (!i915_modparams.enable_execlists) {
seq_printf(m, "Logical Ring Contexts are disabled\n");
return 0;
}
@@ -2443,12 +2446,8 @@ static void i915_guc_client_info(struct seq_file *m,
seq_printf(m, "\tPriority %d, GuC stage index: %u, PD offset 0x%x\n",
client->priority, client->stage_id, client->proc_desc_offset);
- seq_printf(m, "\tDoorbell id %d, offset: 0x%lx, cookie 0x%x\n",
- client->doorbell_id, client->doorbell_offset, client->doorbell_cookie);
- seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n",
- client->wq_size, client->wq_offset, client->wq_tail);
-
- seq_printf(m, "\tWork queue full: %u\n", client->no_wq_space);
+ seq_printf(m, "\tDoorbell id %d, offset: 0x%lx\n",
+ client->doorbell_id, client->doorbell_offset);
for_each_engine(engine, dev_priv, id) {
u64 submissions = client->submissions[id];
@@ -2594,7 +2593,7 @@ static int i915_guc_log_control_get(void *data, u64 *val)
if (!dev_priv->guc.log.vma)
return -EINVAL;
- *val = i915.guc_log_level;
+ *val = i915_modparams.guc_log_level;
return 0;
}
@@ -3312,7 +3311,9 @@ static int i915_engine_info(struct seq_file *m, void *unused)
seq_printf(m, "\tBBADDR: 0x%08x_%08x\n",
upper_32_bits(addr), lower_32_bits(addr));
- if (i915.enable_execlists) {
+ if (i915_modparams.enable_execlists) {
+ const u32 *hws = &engine->status_page.page_addr[I915_HWS_CSB_BUF0_INDEX];
+ struct intel_engine_execlists * const execlists = &engine->execlists;
u32 ptr, read, write;
unsigned int idx;
@@ -3323,8 +3324,10 @@ static int i915_engine_info(struct seq_file *m, void *unused)
ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine));
read = GEN8_CSB_READ_PTR(ptr);
write = GEN8_CSB_WRITE_PTR(ptr);
- seq_printf(m, "\tExeclist CSB read %d, write %d, interrupt posted? %s\n",
- read, write,
+ seq_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s\n",
+ read, execlists->csb_head,
+ write,
+ intel_read_status_page(engine, intel_hws_csb_write_index(engine->i915)),
yesno(test_bit(ENGINE_IRQ_EXECLIST,
&engine->irq_posted)));
if (read >= GEN8_CSB_ENTRIES)
@@ -3335,18 +3338,19 @@ static int i915_engine_info(struct seq_file *m, void *unused)
write += GEN8_CSB_ENTRIES;
while (read < write) {
idx = ++read % GEN8_CSB_ENTRIES;
- seq_printf(m, "\tExeclist CSB[%d]: 0x%08x, context: %d\n",
+ seq_printf(m, "\tExeclist CSB[%d]: 0x%08x [0x%08x in hwsp], context: %d [%d in hwsp]\n",
idx,
I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, idx)),
- I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx)));
+ hws[idx * 2],
+ I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx)),
+ hws[idx * 2 + 1]);
}
rcu_read_lock();
- for (idx = 0; idx < ARRAY_SIZE(engine->execlist_port); idx++) {
+ for (idx = 0; idx < execlists_num_ports(execlists); idx++) {
unsigned int count;
- rq = port_unpack(&engine->execlist_port[idx],
- &count);
+ rq = port_unpack(&execlists->port[idx], &count);
if (rq) {
seq_printf(m, "\t\tELSP[%d] count=%d, ",
idx, count);
@@ -3359,7 +3363,7 @@ static int i915_engine_info(struct seq_file *m, void *unused)
rcu_read_unlock();
spin_lock_irq(&engine->timeline->lock);
- for (rb = engine->execlist_first; rb; rb = rb_next(rb)){
+ for (rb = execlists->first; rb; rb = rb_next(rb)) {
struct i915_priolist *p =
rb_entry(rb, typeof(*p), node);
@@ -3403,7 +3407,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
enum intel_engine_id id;
int j, ret;
- if (!i915.semaphores) {
+ if (!i915_modparams.semaphores) {
seq_puts(m, "Semaphores are disabled\n");
return 0;
}
@@ -3523,6 +3527,57 @@ static int i915_wa_registers(struct seq_file *m, void *unused)
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;
+ int ret;
+ bool enable;
+
+ ret = kstrtobool_from_user(ubuf, len, &enable);
+ if (ret < 0)
+ return ret;
+
+ intel_runtime_pm_get(dev_priv);
+ if (!dev_priv->ipc_enabled && enable)
+ DRM_INFO("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);
+ intel_runtime_pm_put(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);
@@ -4674,26 +4729,26 @@ static int i915_sseu_status(struct seq_file *m, void *unused)
static int i915_forcewake_open(struct inode *inode, struct file *file)
{
- struct drm_i915_private *dev_priv = inode->i_private;
+ struct drm_i915_private *i915 = inode->i_private;
- if (INTEL_GEN(dev_priv) < 6)
+ if (INTEL_GEN(i915) < 6)
return 0;
- intel_runtime_pm_get(dev_priv);
- intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
+ intel_runtime_pm_get(i915);
+ intel_uncore_forcewake_user_get(i915);
return 0;
}
static int i915_forcewake_release(struct inode *inode, struct file *file)
{
- struct drm_i915_private *dev_priv = inode->i_private;
+ struct drm_i915_private *i915 = inode->i_private;
- if (INTEL_GEN(dev_priv) < 6)
+ if (INTEL_GEN(i915) < 6)
return 0;
- intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
- intel_runtime_pm_put(dev_priv);
+ intel_uncore_forcewake_user_put(i915);
+ intel_runtime_pm_put(i915);
return 0;
}
@@ -4859,7 +4914,8 @@ static const struct i915_debugfs_files {
{"i915_dp_test_type", &i915_displayport_test_type_fops},
{"i915_dp_test_active", &i915_displayport_test_active_fops},
{"i915_guc_log_control", &i915_guc_log_control_fops},
- {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops}
+ {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops},
+ {"i915_ipc_status", &i915_ipc_status_fops}
};
int i915_debugfs_register(struct drm_i915_private *dev_priv)
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