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drm/i915/psr: move PSR debugfs to intel_psr.c

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Move the debugfs next to the implementation.

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230317134144.223936-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2023-03-17 15:41:42 +02:00
parent b5202a93cd
commit 5cc0de4567
3 changed files with 308 additions and 285 deletions
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288
drivers/gpu/drm/i915/display/intel_display_debugfs.c
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@@ -142,269 +142,6 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
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 intel_dp *intel_dp =
intel_attached_dp(to_intel_connector(connector));
int ret;
if (!CAN_PSR(intel_dp)) {
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 intel_dp *intel_dp, struct seq_file *m)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
const char *status = "unknown";
u32 val, status_val;
if (intel_dp->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 = intel_de_read(dev_priv,
EDP_PSR2_STATUS(intel_dp->psr.transcoder));
status_val = REG_FIELD_GET(EDP_PSR2_STATUS_STATE_MASK, val);
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 = intel_de_read(dev_priv,
EDP_PSR_STATUS(intel_dp->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 intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct intel_psr *psr = &intel_dp->psr;
intel_wakeref_t wakeref;
const char *status;
bool enabled;
u32 val;
seq_printf(m, "Sink support: %s", str_yes_no(psr->sink_support));
if (psr->sink_support)
seq_printf(m, " [0x%02x]", intel_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",
str_yes_no(psr->sink_not_reliable));
goto unlock;
}
if (psr->psr2_enabled) {
val = intel_de_read(dev_priv,
EDP_PSR2_CTL(intel_dp->psr.transcoder));
enabled = val & EDP_PSR2_ENABLE;
} else {
val = intel_de_read(dev_priv,
EDP_PSR_CTL(intel_dp->psr.transcoder));
enabled = val & EDP_PSR_ENABLE;
}
seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
str_enabled_disabled(enabled), val);
psr_source_status(intel_dp, 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 = intel_de_read(dev_priv,
EDP_PSR_PERF_CNT(intel_dp->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 = intel_de_read(dev_priv,
PSR2_SU_STATUS(intel_dp->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);
}
seq_printf(m, "PSR2 selective fetch: %s\n",
str_enabled_disabled(psr->psr2_sel_fetch_enabled));
}
unlock:
mutex_unlock(&psr->lock);
intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
return 0;
}
static int i915_edp_psr_status(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
struct intel_dp *intel_dp = NULL;
struct intel_encoder *encoder;
if (!HAS_PSR(dev_priv))
return -ENODEV;
/* Find the first EDP which supports PSR */
for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
intel_dp = enc_to_intel_dp(encoder);
break;
}
if (!intel_dp)
return -ENODEV;
return intel_psr_status(m, intel_dp);
}
static int
i915_edp_psr_debug_set(void *data, u64 val)
{
struct drm_i915_private *dev_priv = data;
struct intel_encoder *encoder;
intel_wakeref_t wakeref;
int ret = -ENODEV;
if (!HAS_PSR(dev_priv))
return ret;
for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
// TODO: split to each transcoder's PSR debug state
ret = intel_psr_debug_set(intel_dp, 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;
struct intel_encoder *encoder;
if (!HAS_PSR(dev_priv))
return -ENODEV;
for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
// TODO: split to each transcoder's PSR debug state
*val = READ_ONCE(intel_dp->psr.debug);
return 0;
}
return -ENODEV;
}
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 *i915 = node_to_i915(m->private);
@@ -1320,7 +1057,6 @@ static const struct drm_info_list intel_display_debugfs_list[] = {
{"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_display_info", i915_display_info, 0},
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
@@ -1337,7 +1073,6 @@ static const struct {
{"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_edp_psr_debug", &i915_edp_psr_debug_fops},
};
void intel_display_debugfs_register(struct drm_i915_private *i915)
@@ -1361,6 +1096,7 @@ void intel_display_debugfs_register(struct drm_i915_private *i915)
intel_dmc_debugfs_register(i915);
intel_fbc_debugfs_register(i915);
intel_hpd_debugfs_register(i915);
intel_psr_debugfs_register(i915);
intel_wm_debugfs_register(i915);
}
@@ -1413,16 +1149,6 @@ out:
}
DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
static int i915_psr_status_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));
return intel_psr_status(m, intel_dp);
}
DEFINE_SHOW_ATTRIBUTE(i915_psr_status);
static int i915_lpsp_capability_show(struct seq_file *m, void *data)
{
struct drm_connector *connector = m->private;
@@ -1675,19 +1401,11 @@ void intel_connector_debugfs_add(struct intel_connector *intel_connector)
return;
intel_drrs_connector_debugfs_add(intel_connector);
intel_psr_connector_debugfs_add(intel_connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
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 (HAS_PSR(dev_priv) &&
connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
debugfs_create_file("i915_psr_status", 0444, root,
connector, &i915_psr_status_fops);
}
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||