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drm/i915/hotplug: convert intel_hotplug.[ch] to struct intel_display

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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_hotplug.[ch] to struct
intel_display.

Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/cf382dbfacf1445b26fbe1e7c011e7a3ea6e1594.1742481923.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2025-03-20 16:45:59 +02:00
parent 3e1966e2db
commit 4cd502aa7e
11 changed files with 240 additions and 213 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/display/intel_display_debugfs.c
View File

@@ -844,7 +844,7 @@ void intel_display_debugfs_register(struct intel_display *display)
intel_dmc_debugfs_register(display);
intel_dp_test_debugfs_register(display);
intel_fbc_debugfs_register(display);
intel_hpd_debugfs_register(i915);
intel_hpd_debugfs_register(display);
intel_opregion_debugfs_register(display);
intel_psr_debugfs_register(display);
intel_wm_debugfs_register(i915);

14
drivers/gpu/drm/i915/display/intel_display_driver.c
View File

@@ -315,11 +315,9 @@ static void set_display_access(struct intel_display *display,
*/
void intel_display_driver_enable_user_access(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
set_display_access(display, true, NULL);
intel_hpd_enable_detection_work(i915);
intel_hpd_enable_detection_work(display);
}
/**
@@ -341,9 +339,7 @@ void intel_display_driver_enable_user_access(struct intel_display *display)
*/
void intel_display_driver_disable_user_access(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
intel_hpd_disable_detection_work(i915);
intel_hpd_disable_detection_work(display);
set_display_access(display, false, current);
}
@@ -524,7 +520,7 @@ int intel_display_driver_probe(struct intel_display *display)
intel_overlay_setup(display);
/* Only enable hotplug handling once the fbdev is fully set up. */
intel_hpd_init(i915);
intel_hpd_init(display);
skl_watermark_ipc_init(i915);
@@ -558,7 +554,7 @@ void intel_display_driver_register(struct intel_display *display)
* fbdev->async_cookie.
*/
drm_kms_helper_poll_init(display->drm);
intel_hpd_poll_disable(i915);
intel_hpd_poll_disable(display);
intel_fbdev_setup(i915);
@@ -600,7 +596,7 @@ void intel_display_driver_remove_noirq(struct intel_display *display)
* Due to the hpd irq storm handling the hotplug work can re-arm the
* poll handlers. Hence disable polling after hpd handling is shut down.
*/
intel_hpd_poll_fini(i915);
intel_hpd_poll_fini(display);
intel_unregister_dsm_handler();

6
drivers/gpu/drm/i915/display/intel_display_power_well.c
View File

@@ -1236,8 +1236,8 @@ static void vlv_display_power_well_init(struct intel_display *display)
if (display->power.domains.initializing)
return;
intel_hpd_init(dev_priv);
intel_hpd_poll_disable(dev_priv);
intel_hpd_init(display);
intel_hpd_poll_disable(display);
/* Re-enable the ADPA, if we have one */
for_each_intel_encoder(display->drm, encoder) {
@@ -1265,7 +1265,7 @@ static void vlv_display_power_well_deinit(struct intel_display *display)
/* Prevent us from re-enabling polling on accident in late suspend */
if (!display->drm->dev->power.is_suspended)
intel_hpd_poll_enable(dev_priv);
intel_hpd_poll_enable(display);
}
static void vlv_display_power_well_enable(struct intel_display *display,

4
drivers/gpu/drm/i915/display/intel_display_reset.c
View File

@@ -107,14 +107,14 @@ void intel_display_reset_finish(struct intel_display *display, bool test_only)
intel_display_driver_init_hw(display);
intel_clock_gating_init(i915);
intel_cx0_pll_power_save_wa(display);
intel_hpd_init(i915);
intel_hpd_init(display);
ret = __intel_display_driver_resume(display, state, ctx);
if (ret)
drm_err(display->drm,
"Restoring old state failed with %i\n", ret);
intel_hpd_poll_disable(i915);
intel_hpd_poll_disable(display);
}
drm_atomic_state_put(state);

2
drivers/gpu/drm/i915/display/intel_dp.c
View File

@@ -6117,7 +6117,7 @@ static void intel_dp_oob_hotplug_event(struct drm_connector *connector,
spin_unlock_irq(&i915->irq_lock);
if (need_work)
intel_hpd_schedule_detection(i915);
intel_hpd_schedule_detection(display);
}
static const struct drm_connector_funcs intel_dp_connector_funcs = {

332
drivers/gpu/drm/i915/display/intel_hotplug.c
View File

@@ -118,7 +118,7 @@ intel_connector_hpd_pin(struct intel_connector *connector)
/**
* intel_hpd_irq_storm_detect - gather stats and detect HPD IRQ storm on a pin
* @dev_priv: private driver data pointer
* @display: display device
* @pin: the pin to gather stats on
* @long_hpd: whether the HPD IRQ was long or short
*
@@ -127,13 +127,13 @@ intel_connector_hpd_pin(struct intel_connector *connector)
* responsible for further action.
*
* The number of IRQs that are allowed within @HPD_STORM_DETECT_PERIOD is
* stored in @dev_priv->display.hotplug.hpd_storm_threshold which defaults to
* stored in @display->hotplug.hpd_storm_threshold which defaults to
* @HPD_STORM_DEFAULT_THRESHOLD. Long IRQs count as +10 to this threshold, and
* short IRQs count as +1. If this threshold is exceeded, it's considered an
* IRQ storm and the IRQ state is set to @HPD_MARK_DISABLED.
*
* By default, most systems will only count long IRQs towards
* &dev_priv->display.hotplug.hpd_storm_threshold. However, some older systems also
* &display->hotplug.hpd_storm_threshold. However, some older systems also
* suffer from short IRQ storms and must also track these. Because short IRQ
* storms are naturally caused by sideband interactions with DP MST devices,
* short IRQ detection is only enabled for systems without DP MST support.
@@ -145,10 +145,10 @@ intel_connector_hpd_pin(struct intel_connector *connector)
*
* Return true if an IRQ storm was detected on @pin.
*/
static bool intel_hpd_irq_storm_detect(struct drm_i915_private *dev_priv,
static bool intel_hpd_irq_storm_detect(struct intel_display *display,
enum hpd_pin pin, bool long_hpd)
{
struct intel_hotplug *hpd = &dev_priv->display.hotplug;
struct intel_hotplug *hpd = &display->hotplug;
unsigned long start = hpd->stats[pin].last_jiffies;
unsigned long end = start + msecs_to_jiffies(HPD_STORM_DETECT_PERIOD);
const int increment = long_hpd ? 10 : 1;
@@ -156,7 +156,7 @@ static bool intel_hpd_irq_storm_detect(struct drm_i915_private *dev_priv,
bool storm = false;
if (!threshold ||
(!long_hpd && !dev_priv->display.hotplug.hpd_short_storm_enabled))
(!long_hpd && !display->hotplug.hpd_short_storm_enabled))
return false;
if (!time_in_range(jiffies, start, end)) {
@@ -167,11 +167,11 @@ static bool intel_hpd_irq_storm_detect(struct drm_i915_private *dev_priv,
hpd->stats[pin].count += increment;
if (hpd->stats[pin].count > threshold) {
hpd->stats[pin].state = HPD_MARK_DISABLED;
drm_dbg_kms(&dev_priv->drm,
drm_dbg_kms(display->drm,
"HPD interrupt storm detected on PIN %d\n", pin);
storm = true;
} else {
drm_dbg_kms(&dev_priv->drm,
drm_dbg_kms(display->drm,
"Received HPD interrupt on PIN %d - cnt: %d\n",
pin,
hpd->stats[pin].count);
@@ -180,56 +180,65 @@ static bool intel_hpd_irq_storm_detect(struct drm_i915_private *dev_priv,
return storm;
}
static bool detection_work_enabled(struct drm_i915_private *i915)
static bool detection_work_enabled(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
lockdep_assert_held(&i915->irq_lock);
return i915->display.hotplug.detection_work_enabled;
return display->hotplug.detection_work_enabled;
}
static bool
mod_delayed_detection_work(struct drm_i915_private *i915, struct delayed_work *work, int delay)
mod_delayed_detection_work(struct intel_display *display, struct delayed_work *work, int delay)
{
struct drm_i915_private *i915 = to_i915(display->drm);
lockdep_assert_held(&i915->irq_lock);
if (!detection_work_enabled(i915))
if (!detection_work_enabled(display))
return false;
return mod_delayed_work(i915->unordered_wq, work, delay);
}
static bool
queue_delayed_detection_work(struct drm_i915_private *i915, struct delayed_work *work, int delay)
queue_delayed_detection_work(struct intel_display *display, struct delayed_work *work, int delay)
{
struct drm_i915_private *i915 = to_i915(display->drm);
lockdep_assert_held(&i915->irq_lock);
if (!detection_work_enabled(i915))
if (!detection_work_enabled(display))
return false;
return queue_delayed_work(i915->unordered_wq, work, delay);
}
static bool
queue_detection_work(struct drm_i915_private *i915, struct work_struct *work)
queue_detection_work(struct intel_display *display, struct work_struct *work)
{
struct drm_i915_private *i915 = to_i915(display->drm);
lockdep_assert_held(&i915->irq_lock);
if (!detection_work_enabled(i915))
if (!detection_work_enabled(display))
return false;
return queue_work(i915->unordered_wq, work);
}
static void
intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
intel_hpd_irq_storm_switch_to_polling(struct intel_display *display)
{
struct drm_i915_private *dev_priv = to_i915(display->drm);
struct drm_connector_list_iter conn_iter;
struct intel_connector *connector;
bool hpd_disabled = false;
lockdep_assert_held(&dev_priv->irq_lock);
drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
drm_connector_list_iter_begin(display->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
enum hpd_pin pin;
@@ -238,15 +247,15 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
pin = intel_connector_hpd_pin(connector);
if (pin == HPD_NONE ||
dev_priv->display.hotplug.stats[pin].state != HPD_MARK_DISABLED)
display->hotplug.stats[pin].state != HPD_MARK_DISABLED)
continue;
drm_info(&dev_priv->drm,
drm_info(display->drm,
"HPD interrupt storm detected on connector %s: "
"switching from hotplug detection to polling\n",
connector->base.name);
dev_priv->display.hotplug.stats[pin].state = HPD_DISABLED;
display->hotplug.stats[pin].state = HPD_DISABLED;
connector->base.polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
hpd_disabled = true;
@@ -255,18 +264,18 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
/* Enable polling and queue hotplug re-enabling. */
if (hpd_disabled) {
drm_kms_helper_poll_reschedule(&dev_priv->drm);
mod_delayed_detection_work(dev_priv,
&dev_priv->display.hotplug.reenable_work,
drm_kms_helper_poll_reschedule(display->drm);
mod_delayed_detection_work(display,
&display->hotplug.reenable_work,
msecs_to_jiffies(HPD_STORM_REENABLE_DELAY));
}
}
static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
container_of(work, typeof(*dev_priv),
display.hotplug.reenable_work.work);
struct intel_display *display =
container_of(work, typeof(*display), hotplug.reenable_work.work);
struct drm_i915_private *dev_priv = to_i915(display->drm);
struct drm_connector_list_iter conn_iter;
struct intel_connector *connector;
intel_wakeref_t wakeref;
@@ -276,15 +285,15 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
spin_lock_irq(&dev_priv->irq_lock);
drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
drm_connector_list_iter_begin(display->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
pin = intel_connector_hpd_pin(connector);
if (pin == HPD_NONE ||
dev_priv->display.hotplug.stats[pin].state != HPD_DISABLED)
display->hotplug.stats[pin].state != HPD_DISABLED)
continue;
if (connector->base.polled != connector->polled)
drm_dbg(&dev_priv->drm,
drm_dbg(display->drm,
"Reenabling HPD on connector %s\n",
connector->base.name);
connector->base.polled = connector->polled;
@@ -292,8 +301,8 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
drm_connector_list_iter_end(&conn_iter);
for_each_hpd_pin(pin) {
if (dev_priv->display.hotplug.stats[pin].state == HPD_DISABLED)
dev_priv->display.hotplug.stats[pin].state = HPD_ENABLED;
if (display->hotplug.stats[pin].state == HPD_DISABLED)
display->hotplug.stats[pin].state = HPD_ENABLED;
}
intel_hpd_irq_setup(dev_priv);
@@ -407,7 +416,7 @@ static void i915_digport_work_func(struct work_struct *work)
spin_unlock_irq(&dev_priv->irq_lock);
for_each_intel_encoder(&dev_priv->drm, encoder) {
for_each_intel_encoder(display->drm, encoder) {
struct intel_digital_port *dig_port;
enum hpd_pin pin = encoder->hpd_pin;
bool long_hpd, short_hpd;
@@ -433,9 +442,9 @@ static void i915_digport_work_func(struct work_struct *work)
if (old_bits) {
spin_lock_irq(&dev_priv->irq_lock);
dev_priv->display.hotplug.event_bits |= old_bits;
queue_delayed_detection_work(dev_priv,
&dev_priv->display.hotplug.hotplug_work, 0);
display->hotplug.event_bits |= old_bits;
queue_delayed_detection_work(display,
&display->hotplug.hotplug_work, 0);
spin_unlock_irq(&dev_priv->irq_lock);
}
}
@@ -481,8 +490,8 @@ static void i915_hotplug_work_func(struct work_struct *work)
int changed_connectors = 0;
u32 blocked_hpd_pin_mask;
mutex_lock(&dev_priv->drm.mode_config.mutex);
drm_dbg_kms(&dev_priv->drm, "running encoder hotplug functions\n");
mutex_lock(&display->drm->mode_config.mutex);
drm_dbg_kms(display->drm, "running encoder hotplug functions\n");
spin_lock_irq(&dev_priv->irq_lock);
@@ -493,18 +502,18 @@ static void i915_hotplug_work_func(struct work_struct *work)
hotplug->retry_bits &= ~hpd_retry_bits;
/* Enable polling for connectors which had HPD IRQ storms */
intel_hpd_irq_storm_switch_to_polling(dev_priv);
intel_hpd_irq_storm_switch_to_polling(display);
spin_unlock_irq(&dev_priv->irq_lock);
/* Skip calling encode hotplug handlers if ignore long HPD set*/
if (dev_priv->display.hotplug.ignore_long_hpd) {
drm_dbg_kms(&dev_priv->drm, "Ignore HPD flag on - skip encoder hotplug handlers\n");
mutex_unlock(&dev_priv->drm.mode_config.mutex);
if (display->hotplug.ignore_long_hpd) {
drm_dbg_kms(display->drm, "Ignore HPD flag on - skip encoder hotplug handlers\n");
mutex_unlock(&display->drm->mode_config.mutex);
return;
}
drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
drm_connector_list_iter_begin(display->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
enum hpd_pin pin;
u32 hpd_bit;
@@ -523,7 +532,7 @@ static void i915_hotplug_work_func(struct work_struct *work)
else
connector->hotplug_retries++;
drm_dbg_kms(&dev_priv->drm,
drm_dbg_kms(display->drm,
"Connector %s (pin %i) received hotplug event. (retry %d)\n",
connector->base.name, pin,
connector->hotplug_retries);
@@ -546,12 +555,12 @@ static void i915_hotplug_work_func(struct work_struct *work)
}
}
drm_connector_list_iter_end(&conn_iter);
mutex_unlock(&dev_priv->drm.mode_config.mutex);
mutex_unlock(&display->drm->mode_config.mutex);
if (changed_connectors == 1)
drm_kms_helper_connector_hotplug_event(first_changed_connector);
else if (changed_connectors > 0)
drm_kms_helper_hotplug_event(&dev_priv->drm);
drm_kms_helper_hotplug_event(display->drm);
if (first_changed_connector)
drm_connector_put(first_changed_connector);
@@ -560,10 +569,10 @@ static void i915_hotplug_work_func(struct work_struct *work)
retry &= ~changed;
if (retry) {
spin_lock_irq(&dev_priv->irq_lock);
dev_priv->display.hotplug.retry_bits |= retry;
display->hotplug.retry_bits |= retry;
mod_delayed_detection_work(dev_priv,
&dev_priv->display.hotplug.hotplug_work,
mod_delayed_detection_work(display,
&display->hotplug.hotplug_work,
msecs_to_jiffies(HPD_RETRY_DELAY));
spin_unlock_irq(&dev_priv->irq_lock);
}
@@ -572,7 +581,7 @@ static void i915_hotplug_work_func(struct work_struct *work)
/**
* intel_hpd_irq_handler - main hotplug irq handler
* @dev_priv: drm_i915_private
* @display: display device
* @pin_mask: a mask of hpd pins that have triggered the irq
* @long_mask: a mask of hpd pins that may be long hpd pulses
*
@@ -586,10 +595,10 @@ static void i915_hotplug_work_func(struct work_struct *work)
* Here, we do hotplug irq storm detection and mitigation, and pass further
* processing to appropriate bottom halves.
*/
void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
void intel_hpd_irq_handler(struct intel_display *display,
u32 pin_mask, u32 long_mask)
{
struct intel_display *display = to_intel_display(&dev_priv->drm);
struct drm_i915_private *dev_priv = to_i915(display->drm);
struct intel_encoder *encoder;
bool storm_detected = false;
bool queue_dig = false, queue_hp = false;
@@ -608,7 +617,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
* as each pin may have up to two encoders (HDMI and DP) and
* only the one of them (DP) will have ->hpd_pulse().
*/
for_each_intel_encoder(&dev_priv->drm, encoder) {
for_each_intel_encoder(display->drm, encoder) {
bool long_hpd;
pin = encoder->hpd_pin;
@@ -620,7 +629,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
long_hpd = long_mask & BIT(pin);
drm_dbg(&dev_priv->drm,
drm_dbg(display->drm,
"digital hpd on [ENCODER:%d:%s] - %s\n",
encoder->base.base.id, encoder->base.name,
long_hpd ? "long" : "short");
@@ -630,10 +639,10 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
if (long_hpd) {
long_hpd_pulse_mask |= BIT(pin);
dev_priv->display.hotplug.long_hpd_pin_mask |= BIT(pin);
display->hotplug.long_hpd_pin_mask |= BIT(pin);
} else {
short_hpd_pulse_mask |= BIT(pin);
dev_priv->display.hotplug.short_hpd_pin_mask |= BIT(pin);
display->hotplug.short_hpd_pin_mask |= BIT(pin);
}
}
@@ -644,20 +653,20 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
if (!(BIT(pin) & pin_mask))
continue;
if (dev_priv->display.hotplug.stats[pin].state == HPD_DISABLED) {
if (display->hotplug.stats[pin].state == HPD_DISABLED) {
/*
* On GMCH platforms the interrupt mask bits only
* prevent irq generation, not the setting of the
* hotplug bits itself. So only WARN about unexpected
* interrupts on saner platforms.
*/
drm_WARN_ONCE(&dev_priv->drm, !HAS_GMCH(dev_priv),
drm_WARN_ONCE(display->drm, !HAS_GMCH(display),
"Received HPD interrupt on pin %d although disabled\n",
pin);
continue;
}
if (dev_priv->display.hotplug.stats[pin].state != HPD_ENABLED)
if (display->hotplug.stats[pin].state != HPD_ENABLED)
continue;
/*
@@ -668,15 +677,15 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
if (((short_hpd_pulse_mask | long_hpd_pulse_mask) & BIT(pin))) {
long_hpd = long_hpd_pulse_mask & BIT(pin);
} else {
dev_priv->display.hotplug.event_bits |= BIT(pin);
display->hotplug.event_bits |= BIT(pin);
long_hpd = true;
if (!hpd_pin_is_blocked(display, pin))
queue_hp = true;
}
if (intel_hpd_irq_storm_detect(dev_priv, pin, long_hpd)) {
dev_priv->display.hotplug.event_bits &= ~BIT(pin);
if (intel_hpd_irq_storm_detect(display, pin, long_hpd)) {
display->hotplug.event_bits &= ~BIT(pin);
storm_detected = true;
queue_hp = true;
}
@@ -696,17 +705,17 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
* deadlock.
*/
if (queue_dig)
queue_work(dev_priv->display.hotplug.dp_wq, &dev_priv->display.hotplug.dig_port_work);
queue_work(display->hotplug.dp_wq, &display->hotplug.dig_port_work);
if (queue_hp)
queue_delayed_detection_work(dev_priv,
&dev_priv->display.hotplug.hotplug_work, 0);
queue_delayed_detection_work(display,
&display->hotplug.hotplug_work, 0);
spin_unlock(&dev_priv->irq_lock);
}
/**
* intel_hpd_init - initializes and enables hpd support
* @dev_priv: i915 device instance
* @display: display device instance
*
* This function enables the hotplug support. It requires that interrupts have
* already been enabled with intel_irq_init_hw(). From this point on hotplug and
@@ -718,16 +727,17 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
*
* Also see: intel_hpd_poll_enable() and intel_hpd_poll_disable().
*/
void intel_hpd_init(struct drm_i915_private *dev_priv)
void intel_hpd_init(struct intel_display *display)
{
struct drm_i915_private *dev_priv = to_i915(display->drm);
int i;
if (!HAS_DISPLAY(dev_priv))
if (!HAS_DISPLAY(display))
return;
for_each_hpd_pin(i) {
dev_priv->display.hotplug.stats[i].count = 0;
dev_priv->display.hotplug.stats[i].state = HPD_ENABLED;
display->hotplug.stats[i].count = 0;
display->hotplug.stats[i].state = HPD_ENABLED;
}
/*
@@ -739,19 +749,19 @@ void intel_hpd_init(struct drm_i915_private *dev_priv)
spin_unlock_irq(&dev_priv->irq_lock);
}
static void i915_hpd_poll_detect_connectors(struct drm_i915_private *i915)
static void i915_hpd_poll_detect_connectors(struct intel_display *display)
{
struct drm_connector_list_iter conn_iter;
struct intel_connector *connector;
struct intel_connector *first_changed_connector = NULL;
int changed = 0;
mutex_lock(&i915->drm.mode_config.mutex);
mutex_lock(&display->drm->mode_config.mutex);
if (!i915->drm.mode_config.poll_enabled)
if (!display->drm->mode_config.poll_enabled)
goto out;
drm_connector_list_iter_begin(&i915->drm, &conn_iter);
drm_connector_list_iter_begin(display->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
if (!(connector->base.polled & DRM_CONNECTOR_POLL_HPD))
continue;
@@ -769,7 +779,7 @@ static void i915_hpd_poll_detect_connectors(struct drm_i915_private *i915)
drm_connector_list_iter_end(&conn_iter);
out:
mutex_unlock(&i915->drm.mode_config.mutex);
mutex_unlock(&display->drm->mode_config.mutex);
if (!changed)
return;
@@ -777,25 +787,24 @@ static void i915_hpd_poll_detect_connectors(struct drm_i915_private *i915)
if (changed == 1)
drm_kms_helper_connector_hotplug_event(&first_changed_connector->base);
else
drm_kms_helper_hotplug_event(&i915->drm);
drm_kms_helper_hotplug_event(display->drm);
drm_connector_put(&first_changed_connector->base);
}
static void i915_hpd_poll_init_work(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
container_of(work, struct drm_i915_private,
display.hotplug.poll_init_work);
struct intel_display *display = &dev_priv->display;
struct intel_display *display =
container_of(work, typeof(*display), hotplug.poll_init_work);
struct drm_i915_private *dev_priv = to_i915(display->drm);
struct drm_connector_list_iter conn_iter;
struct intel_connector *connector;
intel_wakeref_t wakeref;
bool enabled;
mutex_lock(&dev_priv->drm.mode_config.mutex);
mutex_lock(&display->drm->mode_config.mutex);
enabled = READ_ONCE(dev_priv->display.hotplug.poll_enabled);
enabled = READ_ONCE(display->hotplug.poll_enabled);
/*
* Prevent taking a power reference from this sequence of
* i915_hpd_poll_init_work() -> drm_helper_hpd_irq_event() ->
@@ -805,14 +814,14 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
if (!enabled) {
wakeref = intel_display_power_get(display,
POWER_DOMAIN_DISPLAY_CORE);
drm_WARN_ON(&dev_priv->drm,
READ_ONCE(dev_priv->display.hotplug.poll_enabled));
cancel_work(&dev_priv->display.hotplug.poll_init_work);
drm_WARN_ON(display->drm,
READ_ONCE(display->hotplug.poll_enabled));
cancel_work(&display->hotplug.poll_init_work);
}
spin_lock_irq(&dev_priv->irq_lock);
drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
drm_connector_list_iter_begin(display->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
enum hpd_pin pin;
@@ -820,7 +829,7 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
if (pin == HPD_NONE)
continue;
if (dev_priv->display.hotplug.stats[pin].state == HPD_DISABLED)
if (display->hotplug.stats[pin].state == HPD_DISABLED)
continue;
connector->base.polled = connector->polled;
@@ -834,16 +843,16 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
spin_unlock_irq(&dev_priv->irq_lock);
if (enabled)
drm_kms_helper_poll_reschedule(&dev_priv->drm);
drm_kms_helper_poll_reschedule(display->drm);
mutex_unlock(&dev_priv->drm.mode_config.mutex);
mutex_unlock(&display->drm->mode_config.mutex);
/*
* We might have missed any hotplugs that happened while we were
* in the middle of disabling polling
*/
if (!enabled) {
i915_hpd_poll_detect_connectors(dev_priv);
i915_hpd_poll_detect_connectors(display);
intel_display_power_put(display,
POWER_DOMAIN_DISPLAY_CORE,
@@ -853,7 +862,7 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
/**
* intel_hpd_poll_enable - enable polling for connectors with hpd
* @dev_priv: i915 device instance
* @display: display device instance
*
* This function enables polling for all connectors which support HPD.
* Under certain conditions HPD may not be functional. On most Intel GPUs,
@@ -867,15 +876,14 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
*
* Also see: intel_hpd_init() and intel_hpd_poll_disable().
*/
void intel_hpd_poll_enable(struct drm_i915_private *dev_priv)
void intel_hpd_poll_enable(struct intel_display *display)
{
struct intel_display *display = &dev_priv->display;
struct drm_i915_private *dev_priv = to_i915(display->drm);
if (!HAS_DISPLAY(dev_priv) ||
!intel_display_device_enabled(display))
if (!HAS_DISPLAY(display) || !intel_display_device_enabled(display))
return;
WRITE_ONCE(dev_priv->display.hotplug.poll_enabled, true);
WRITE_ONCE(display->hotplug.poll_enabled, true);
/*
* We might already be holding dev->mode_config.mutex, so do this in a
@@ -884,14 +892,14 @@ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv)
* this worker anyway
*/
spin_lock_irq(&dev_priv->irq_lock);
queue_detection_work(dev_priv,
&dev_priv->display.hotplug.poll_init_work);
queue_detection_work(display,
&display->hotplug.poll_init_work);
spin_unlock_irq(&dev_priv->irq_lock);
}
/**
* intel_hpd_poll_disable - disable polling for connectors with hpd
* @dev_priv: i915 device instance
* @display: display device instance
*
* This function disables polling for all connectors which support HPD.
* Under certain conditions HPD may not be functional. On most Intel GPUs,
@@ -908,26 +916,28 @@ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv)
*
* Also see: intel_hpd_init() and intel_hpd_poll_enable().
*/
void intel_hpd_poll_disable(struct drm_i915_private *dev_priv)
void intel_hpd_poll_disable(struct intel_display *display)
{
if (!HAS_DISPLAY(dev_priv))
struct drm_i915_private *dev_priv = to_i915(display->drm);
if (!HAS_DISPLAY(display))
return;
WRITE_ONCE(dev_priv->display.hotplug.poll_enabled, false);
WRITE_ONCE(display->hotplug.poll_enabled, false);
spin_lock_irq(&dev_priv->irq_lock);
queue_detection_work(dev_priv,
&dev_priv->display.hotplug.poll_init_work);
queue_detection_work(display,
&display->hotplug.poll_init_work);
spin_unlock_irq(&dev_priv->irq_lock);
}
void intel_hpd_poll_fini(struct drm_i915_private *i915)
void intel_hpd_poll_fini(struct intel_display *display)
{
struct intel_connector *connector;
struct drm_connector_list_iter conn_iter;
/* Kill all the work that may have been queued by hpd. */
drm_connector_list_iter_begin(&i915->drm, &conn_iter);
drm_connector_list_iter_begin(display->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
intel_connector_cancel_modeset_retry_work(connector);
intel_hdcp_cancel_works(connector);
@@ -935,70 +945,70 @@ void intel_hpd_poll_fini(struct drm_i915_private *i915)
drm_connector_list_iter_end(&conn_iter);
}
void intel_hpd_init_early(struct drm_i915_private *i915)
void intel_hpd_init_early(struct intel_display *display)
{
INIT_DELAYED_WORK(&i915->display.hotplug.hotplug_work,
INIT_DELAYED_WORK(&display->hotplug.hotplug_work,
i915_hotplug_work_func);
INIT_WORK(&i915->display.hotplug.dig_port_work, i915_digport_work_func);
INIT_WORK(&i915->display.hotplug.poll_init_work, i915_hpd_poll_init_work);
INIT_DELAYED_WORK(&i915->display.hotplug.reenable_work,
INIT_WORK(&display->hotplug.dig_port_work, i915_digport_work_func);
INIT_WORK(&display->hotplug.poll_init_work, i915_hpd_poll_init_work);
INIT_DELAYED_WORK(&display->hotplug.reenable_work,
intel_hpd_irq_storm_reenable_work);
i915->display.hotplug.hpd_storm_threshold = HPD_STORM_DEFAULT_THRESHOLD;
display->hotplug.hpd_storm_threshold = HPD_STORM_DEFAULT_THRESHOLD;
/* If we have MST support, we want to avoid doing short HPD IRQ storm
* detection, as short HPD storms will occur as a natural part of
* sideband messaging with MST.
* On older platforms however, IRQ storms can occur with both long and
* short pulses, as seen on some G4x systems.
*/
i915->display.hotplug.hpd_short_storm_enabled = !HAS_DP_MST(i915);
display->hotplug.hpd_short_storm_enabled = !HAS_DP_MST(display);
}
static bool cancel_all_detection_work(struct drm_i915_private *i915)
static bool cancel_all_detection_work(struct intel_display *display)
{
bool was_pending = false;
if (cancel_delayed_work_sync(&i915->display.hotplug.hotplug_work))
if (cancel_delayed_work_sync(&display->hotplug.hotplug_work))
was_pending = true;
if (cancel_work_sync(&i915->display.hotplug.poll_init_work))
if (cancel_work_sync(&display->hotplug.poll_init_work))
was_pending = true;
if (cancel_delayed_work_sync(&i915->display.hotplug.reenable_work))
if (cancel_delayed_work_sync(&display->hotplug.reenable_work))
was_pending = true;
return was_pending;
}
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv)
void intel_hpd_cancel_work(struct intel_display *display)
{
struct intel_display *display = to_intel_display(&dev_priv->drm);
struct drm_i915_private *dev_priv = to_i915(display->drm);
if (!HAS_DISPLAY(dev_priv))
if (!HAS_DISPLAY(display))
return;
spin_lock_irq(&dev_priv->irq_lock);
drm_WARN_ON(display->drm, get_blocked_hpd_pin_mask(display));
dev_priv->display.hotplug.long_hpd_pin_mask = 0;
dev_priv->display.hotplug.short_hpd_pin_mask = 0;
dev_priv->display.hotplug.event_bits = 0;
dev_priv->display.hotplug.retry_bits = 0;
display->hotplug.long_hpd_pin_mask = 0;
display->hotplug.short_hpd_pin_mask = 0;
display->hotplug.event_bits = 0;
display->hotplug.retry_bits = 0;
spin_unlock_irq(&dev_priv->irq_lock);
cancel_work_sync(&dev_priv->display.hotplug.dig_port_work);
cancel_work_sync(&display->hotplug.dig_port_work);
/*
* All other work triggered by hotplug events should be canceled by
* now.
*/
if (cancel_all_detection_work(dev_priv))
drm_dbg_kms(&dev_priv->drm, "Hotplug detection work still active\n");
if (cancel_all_detection_work(display))
drm_dbg_kms(display->drm, "Hotplug detection work still active\n");
}
static void queue_work_for_missed_irqs(struct drm_i915_private *i915)
static void queue_work_for_missed_irqs(struct intel_display *display)
{
struct intel_display *display = to_intel_display(&i915->drm);
struct drm_i915_private *i915 = to_i915(display->drm);
struct intel_hotplug *hotplug = &display->hotplug;
bool queue_hp_work = false;
u32 blocked_hpd_pin_mask;
@@ -1011,7 +1021,7 @@ static void queue_work_for_missed_irqs(struct drm_i915_private *i915)
queue_hp_work = true;
for_each_hpd_pin(pin) {
switch (i915->display.hotplug.stats[pin].state) {
switch (display->hotplug.stats[pin].state) {
case HPD_MARK_DISABLED:
queue_hp_work = true;
break;
@@ -1019,7 +1029,7 @@ static void queue_work_for_missed_irqs(struct drm_i915_private *i915)
case HPD_ENABLED:
break;
default:
MISSING_CASE(i915->display.hotplug.stats[pin].state);
MISSING_CASE(display->hotplug.stats[pin].state);
}
}
@@ -1027,7 +1037,7 @@ static void queue_work_for_missed_irqs(struct drm_i915_private *i915)
queue_work(hotplug->dp_wq, &hotplug->dig_port_work);
if (queue_hp_work)
queue_delayed_detection_work(i915, &i915->display.hotplug.hotplug_work, 0);
queue_delayed_detection_work(display, &display->hotplug.hotplug_work, 0);
}
static bool block_hpd_pin(struct intel_display *display, enum hpd_pin pin)
@@ -1121,7 +1131,7 @@ void intel_hpd_unblock(struct intel_encoder *encoder)
spin_lock_irq(&i915->irq_lock);
if (unblock_hpd_pin(display, encoder->hpd_pin))
queue_work_for_missed_irqs(i915);
queue_work_for_missed_irqs(display);
spin_unlock_irq(&i915->irq_lock);
}
@@ -1156,30 +1166,35 @@ void intel_hpd_clear_and_unblock(struct intel_encoder *encoder)
spin_unlock_irq(&i915->irq_lock);
}
void intel_hpd_enable_detection_work(struct drm_i915_private *i915)
void intel_hpd_enable_detection_work(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
spin_lock_irq(&i915->irq_lock);
i915->display.hotplug.detection_work_enabled = true;
queue_work_for_missed_irqs(i915);
display->hotplug.detection_work_enabled = true;
queue_work_for_missed_irqs(display);
spin_unlock_irq(&i915->irq_lock);
}
void intel_hpd_disable_detection_work(struct drm_i915_private *i915)
void intel_hpd_disable_detection_work(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
spin_lock_irq(&i915->irq_lock);
i915->display.hotplug.detection_work_enabled = false;
display->hotplug.detection_work_enabled = false;
spin_unlock_irq(&i915->irq_lock);
cancel_all_detection_work(i915);
cancel_all_detection_work(display);
}
bool intel_hpd_schedule_detection(struct drm_i915_private *i915)
bool intel_hpd_schedule_detection(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
unsigned long flags;
bool ret;
spin_lock_irqsave(&i915->irq_lock, flags);
ret = queue_delayed_detection_work(i915, &i915->display.hotplug.hotplug_work, 0);
ret = queue_delayed_detection_work(display, &display->hotplug.hotplug_work, 0);
spin_unlock_irqrestore(&i915->irq_lock, flags);
return ret;
@@ -1188,14 +1203,15 @@ bool intel_hpd_schedule_detection(struct drm_i915_private *i915)
static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = m->private;
struct intel_hotplug *hotplug = &dev_priv->display.hotplug;
struct intel_display *display = &dev_priv->display;
struct intel_hotplug *hotplug = &display->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->display.hotplug.dig_port_work);
flush_delayed_work(&dev_priv->display.hotplug.hotplug_work);
flush_work(&display->hotplug.dig_port_work);
flush_delayed_work(&display->hotplug.hotplug_work);
seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
seq_printf(m, "Detected: %s\n",
@@ -1210,7 +1226,8 @@ static ssize_t i915_hpd_storm_ctl_write(struct file *file,
{
struct seq_file *m = file->private_data;
struct drm_i915_private *dev_priv = m->private;
struct intel_hotplug *hotplug = &dev_priv->display.hotplug;
struct intel_display *display = &dev_priv->display;
struct intel_hotplug *hotplug = &display->hotplug;
unsigned int new_threshold;
int i;
char *newline;
@@ -1235,11 +1252,11 @@ static ssize_t i915_hpd_storm_ctl_write(struct file *file,
return -EINVAL;
if (new_threshold > 0)
drm_dbg_kms(&dev_priv->drm,
drm_dbg_kms(display->drm,
"Setting HPD storm detection threshold to %d\n",
new_threshold);
else
drm_dbg_kms(&dev_priv->drm, "Disabling HPD storm detection\n");
drm_dbg_kms(display->drm, "Disabling HPD storm detection\n");
spin_lock_irq(&dev_priv->irq_lock);
hotplug->hpd_storm_threshold = new_threshold;
@@ -1249,7 +1266,7 @@ static ssize_t i915_hpd_storm_ctl_write(struct file *file,
spin_unlock_irq(&dev_priv->irq_lock);
/* Re-enable hpd immediately if we were in an irq storm */
flush_delayed_work(&dev_priv->display.hotplug.reenable_work);
flush_delayed_work(&display->hotplug.reenable_work);
return len;
}
@@ -1271,9 +1288,10 @@ static const struct file_operations i915_hpd_storm_ctl_fops = {
static int i915_hpd_short_storm_ctl_show(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = m->private;
struct intel_display *display = &dev_priv->display;
seq_printf(m, "Enabled: %s\n",
str_yes_no(dev_priv->display.hotplug.hpd_short_storm_enabled));
str_yes_no(display->hotplug.hpd_short_storm_enabled));
return 0;
}
@@ -1291,7 +1309,8 @@ static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
{
struct seq_file *m = file->private_data;
struct drm_i915_private *dev_priv = m->private;
struct intel_hotplug *hotplug = &dev_priv->display.hotplug;
struct intel_display *display = &dev_priv->display;
struct intel_hotplug *hotplug = &display->hotplug;
char *newline;
char tmp[16];
int i;
@@ -1312,11 +1331,11 @@ static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
/* Reset to the "default" state for this system */
if (strcmp(tmp, "reset") == 0)
new_state = !HAS_DP_MST(dev_priv);
new_state = !HAS_DP_MST(display);
else if (kstrtobool(tmp, &new_state) != 0)
return -EINVAL;
drm_dbg_kms(&dev_priv->drm, "%sabling HPD short storm detection\n",
drm_dbg_kms(display->drm, "%sabling HPD short storm detection\n",
new_state ? "En" : "Dis");
spin_lock_irq(&dev_priv->irq_lock);
@@ -1327,7 +1346,7 @@ static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
spin_unlock_irq(&dev_priv->irq_lock);
/* Re-enable hpd immediately if we were in an irq storm */
flush_delayed_work(&dev_priv->display.hotplug.reenable_work);
flush_delayed_work(&display->hotplug.reenable_work);
return len;
}
@@ -1341,14 +1360,15 @@ static const struct file_operations i915_hpd_short_storm_ctl_fops = {
.write = i915_hpd_short_storm_ctl_write,
};
void intel_hpd_debugfs_register(struct drm_i915_private *i915)
void intel_hpd_debugfs_register(struct intel_display *display)
{
struct drm_minor *minor = i915->drm.primary;
struct drm_minor *minor = display->drm->primary;
struct drm_i915_private *i915 = to_i915(display->drm);
debugfs_create_file("i915_hpd_storm_ctl", 0644, minor->debugfs_root,
i915, &i915_hpd_storm_ctl_fops);
debugfs_create_file("i915_hpd_short_storm_ctl", 0644, minor->debugfs_root,
i915, &i915_hpd_short_storm_ctl_fops);
debugfs_create_bool("i915_ignore_long_hpd", 0644, minor->debugfs_root,
&i915->display.hotplug.ignore_long_hpd);
&display->hotplug.ignore_long_hpd);
}

26
drivers/gpu/drm/i915/display/intel_hotplug.h
View File

@@ -8,31 +8,31 @@
#include <linux/types.h>
struct drm_i915_private;
enum port;
struct intel_connector;
struct intel_digital_port;
struct intel_display;
struct intel_encoder;
enum port;
void intel_hpd_poll_enable(struct drm_i915_private *dev_priv);
void intel_hpd_poll_disable(struct drm_i915_private *dev_priv);
void intel_hpd_poll_fini(struct drm_i915_private *i915);
void intel_hpd_poll_enable(struct intel_display *display);
void intel_hpd_poll_disable(struct intel_display *display);
void intel_hpd_poll_fini(struct intel_display *display);
enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder,
struct intel_connector *connector);
void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
void intel_hpd_irq_handler(struct intel_display *display,
u32 pin_mask, u32 long_mask);
void intel_hpd_trigger_irq(struct intel_digital_port *dig_port);
void intel_hpd_init(struct drm_i915_private *dev_priv);
void intel_hpd_init_early(struct drm_i915_private *i915);
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
void intel_hpd_init(struct intel_display *display);
void intel_hpd_init_early(struct intel_display *display);
void intel_hpd_cancel_work(struct intel_display *display);
enum hpd_pin intel_hpd_pin_default(enum port port);
void intel_hpd_block(struct intel_encoder *encoder);
void intel_hpd_unblock(struct intel_encoder *encoder);
void intel_hpd_clear_and_unblock(struct intel_encoder *encoder);
void intel_hpd_debugfs_register(struct drm_i915_private *i915);
void intel_hpd_debugfs_register(struct intel_display *display);
void intel_hpd_enable_detection_work(struct drm_i915_private *i915);
void intel_hpd_disable_detection_work(struct drm_i915_private *i915);
bool intel_hpd_schedule_detection(struct drm_i915_private *i915);
void intel_hpd_enable_detection_work(struct intel_display *display);
void intel_hpd_disable_detection_work(struct intel_display *display);
bool intel_hpd_schedule_detection(struct intel_display *display);
#endif /* __INTEL_HOTPLUG_H__ */

24
drivers/gpu/drm/i915/display/intel_hotplug_irq.c
View File

@@ -472,7 +472,7 @@ void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_status)
dev_priv->display.hotplug.hpd,
i9xx_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
}
if ((IS_G4X(dev_priv) ||
@@ -483,6 +483,7 @@ void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_status)
void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_trigger)
{
struct intel_display *display = &dev_priv->display;
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
/*
@@ -509,7 +510,7 @@ void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_trigger)
dev_priv->display.hotplug.pch_hpd,
pch_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
}
void xelpdp_pica_irq_handler(struct drm_i915_private *i915, u32 iir)
@@ -543,7 +544,7 @@ void xelpdp_pica_irq_handler(struct drm_i915_private *i915, u32 iir)
"pica hotplug event received, stat 0x%08x, pins 0x%08x, long 0x%08x\n",
hotplug_trigger, pin_mask, long_mask);
intel_hpd_irq_handler(i915, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
}
if (trigger_aux)
@@ -587,7 +588,7 @@ void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
}
if (pin_mask)
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
if (pch_iir & SDE_GMBUS_ICP)
intel_gmbus_irq_handler(display);
@@ -624,7 +625,7 @@ void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
}
if (pin_mask)
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
if (pch_iir & SDE_GMBUS_CPT)
intel_gmbus_irq_handler(display);
@@ -632,6 +633,7 @@ void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_trigger)
{
struct intel_display *display = &dev_priv->display;
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = intel_uncore_rmw(&dev_priv->uncore, DIGITAL_PORT_HOTPLUG_CNTRL, 0, 0);
@@ -641,11 +643,12 @@ void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_trigger)
dev_priv->display.hotplug.hpd,
ilk_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
}
void bxt_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_trigger)
{
struct intel_display *display = &dev_priv->display;
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = intel_uncore_rmw(&dev_priv->uncore, PCH_PORT_HOTPLUG, 0, 0);
@@ -655,11 +658,12 @@ void bxt_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 hotplug_trigger)
dev_priv->display.hotplug.hpd,
bxt_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
}
void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
{
struct intel_display *display = &dev_priv->display;
u32 pin_mask = 0, long_mask = 0;
u32 trigger_tc = iir & GEN11_DE_TC_HOTPLUG_MASK;
u32 trigger_tbt = iir & GEN11_DE_TBT_HOTPLUG_MASK;
@@ -687,7 +691,7 @@ void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
}
if (pin_mask)
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
intel_hpd_irq_handler(display, pin_mask, long_mask);
else
drm_err(&dev_priv->drm,
"Unexpected DE HPD interrupt 0x%08x\n", iir);
@@ -1467,9 +1471,11 @@ void intel_hpd_irq_setup(struct drm_i915_private *i915)
void intel_hotplug_irq_init(struct drm_i915_private *i915)
{
struct intel_display *display = &i915->display;
intel_hpd_init_pins(i915);
intel_hpd_init_early(i915);
intel_hpd_init_early(display);
if (HAS_GMCH(i915)) {
if (I915_HAS_HOTPLUG(i915))

14
drivers/gpu/drm/i915/i915_driver.c
View File

@@ -991,7 +991,7 @@ void i915_driver_shutdown(struct drm_i915_private *i915)
intel_dp_mst_suspend(display);
intel_irq_suspend(i915);
intel_hpd_cancel_work(i915);
intel_hpd_cancel_work(display);
if (HAS_DISPLAY(i915))
intel_display_driver_suspend_access(display);
@@ -1074,7 +1074,7 @@ static int i915_drm_suspend(struct drm_device *dev)
intel_display_driver_suspend(display);
intel_irq_suspend(dev_priv);
intel_hpd_cancel_work(dev_priv);
intel_hpd_cancel_work(display);
if (HAS_DISPLAY(dev_priv))
intel_display_driver_suspend_access(display);
@@ -1237,7 +1237,7 @@ static int i915_drm_resume(struct drm_device *dev)
if (HAS_DISPLAY(dev_priv))
intel_display_driver_resume_access(display);
intel_hpd_init(dev_priv);
intel_hpd_init(display);
intel_display_driver_resume(display);
@@ -1245,7 +1245,7 @@ static int i915_drm_resume(struct drm_device *dev)
intel_display_driver_enable_user_access(display);
drm_kms_helper_poll_enable(dev);
}
intel_hpd_poll_disable(dev_priv);
intel_hpd_poll_disable(display);
intel_opregion_resume(display);
@@ -1585,7 +1585,7 @@ static int intel_runtime_suspend(struct device *kdev)
assert_forcewakes_inactive(&dev_priv->uncore);
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
intel_hpd_poll_enable(dev_priv);
intel_hpd_poll_enable(display);
drm_dbg(&dev_priv->drm, "Device suspended\n");
return 0;
@@ -1643,8 +1643,8 @@ static int intel_runtime_resume(struct device *kdev)
* everyone else do it here.
*/
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) {
intel_hpd_init(dev_priv);
intel_hpd_poll_disable(dev_priv);
intel_hpd_init(display);
intel_hpd_poll_disable(display);
}
skl_watermark_ipc_update(dev_priv);

3
drivers/gpu/drm/i915/i915_irq.c
View File

@@ -1280,6 +1280,7 @@ int intel_irq_install(struct drm_i915_private *dev_priv)
*/
void intel_irq_uninstall(struct drm_i915_private *dev_priv)
{
struct intel_display *display = &dev_priv->display;
int irq = to_pci_dev(dev_priv->drm.dev)->irq;
if (drm_WARN_ON(&dev_priv->drm, !dev_priv->irqs_enabled))
@@ -1289,7 +1290,7 @@ void intel_irq_uninstall(struct drm_i915_private *dev_priv)
free_irq(irq, dev_priv);
intel_hpd_cancel_work(dev_priv);
intel_hpd_cancel_work(display);
dev_priv->irqs_enabled = false;
}

26
drivers/gpu/drm/xe/display/xe_display.c
View File

@@ -173,7 +173,7 @@ static void xe_display_fini(void *arg)
struct xe_device *xe = arg;
struct intel_display *display = &xe->display;
intel_hpd_poll_fini(xe);
intel_hpd_poll_fini(display);
intel_hdcp_component_fini(display);
intel_audio_deinit(display);
}
@@ -314,7 +314,7 @@ static void xe_display_enable_d3cold(struct xe_device *xe)
intel_dmc_suspend(display);
if (has_display(xe))
intel_hpd_poll_enable(xe);
intel_hpd_poll_enable(display);
}
static void xe_display_disable_d3cold(struct xe_device *xe)
@@ -331,10 +331,10 @@ static void xe_display_disable_d3cold(struct xe_device *xe)
intel_display_driver_init_hw(display);
intel_hpd_init(xe);
intel_hpd_init(display);
if (has_display(xe))
intel_hpd_poll_disable(xe);
intel_hpd_poll_disable(display);
intel_opregion_resume(display);
@@ -364,7 +364,7 @@ void xe_display_pm_suspend(struct xe_device *xe)
xe_display_flush_cleanup_work(xe);
intel_hpd_cancel_work(xe);
intel_hpd_cancel_work(display);
if (has_display(xe)) {
intel_display_driver_suspend_access(display);
@@ -394,7 +394,7 @@ void xe_display_pm_shutdown(struct xe_device *xe)
xe_display_flush_cleanup_work(xe);
intel_dp_mst_suspend(display);
intel_hpd_cancel_work(xe);
intel_hpd_cancel_work(display);
if (has_display(xe))
intel_display_driver_suspend_access(display);
@@ -409,6 +409,8 @@ void xe_display_pm_shutdown(struct xe_device *xe)
void xe_display_pm_runtime_suspend(struct xe_device *xe)
{
struct intel_display *display = &xe->display;
if (!xe->info.probe_display)
return;
@@ -417,7 +419,7 @@ void xe_display_pm_runtime_suspend(struct xe_device *xe)
return;
}
intel_hpd_poll_enable(xe);
intel_hpd_poll_enable(display);
}
void xe_display_pm_suspend_late(struct xe_device *xe)
@@ -491,7 +493,7 @@ void xe_display_pm_resume(struct xe_device *xe)
if (has_display(xe))
intel_display_driver_resume_access(display);
intel_hpd_init(xe);
intel_hpd_init(display);
if (has_display(xe)) {
intel_display_driver_resume(display);
@@ -500,7 +502,7 @@ void xe_display_pm_resume(struct xe_device *xe)
}
if (has_display(xe))
intel_hpd_poll_disable(xe);
intel_hpd_poll_disable(display);
intel_opregion_resume(display);
@@ -511,6 +513,8 @@ void xe_display_pm_resume(struct xe_device *xe)
void xe_display_pm_runtime_resume(struct xe_device *xe)
{
struct intel_display *display = &xe->display;
if (!xe->info.probe_display)
return;
@@ -519,8 +523,8 @@ void xe_display_pm_runtime_resume(struct xe_device *xe)
return;
}
intel_hpd_init(xe);
intel_hpd_poll_disable(xe);
intel_hpd_init(display);
intel_hpd_poll_disable(display);
skl_watermark_ipc_update(xe);
}