As a first step towards updating the code to work on the runtime_pm
structure instead of i915, rework all the internals to use and pass
around that.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 2 +
drivers/gpu/drm/i915/intel_drv.h | 10 +-
drivers/gpu/drm/i915/intel_runtime_pm.c | 152 ++++++++++++------------
3 files changed, 82 insertions(+), 82 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5801f5407589..474074c7f395 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1177,6 +1177,8 @@ struct skl_wm_params {
*/
struct i915_runtime_pm {
atomic_t wakeref_count;
+ struct device *kdev;
+ bool available;
bool suspended;
bool irqs_enabled;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 30b2d6ed2d53..bd04f394fbd3 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1662,13 +1662,17 @@ ____assert_rpm_wakelock_held(struct i915_runtime_pm *rpm, int wakeref_count)
}
static inline void
-assert_rpm_raw_wakeref_held(struct drm_i915_private *i915)
+__assert_rpm_raw_wakeref_held(struct i915_runtime_pm *rpm)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
-
____assert_rpm_raw_wakeref_held(rpm, atomic_read(&rpm->wakeref_count));
}
+static inline void
+assert_rpm_raw_wakeref_held(struct drm_i915_private *i915)
+{
+ __assert_rpm_raw_wakeref_held(&i915->runtime_pm);
+}
+
static inline void
__assert_rpm_wakelock_held(struct i915_runtime_pm *rpm)
{
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index b4abababdf6c..2e21f562df44 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -60,19 +60,19 @@
* present for a given platform.
*/
-static intel_wakeref_t intel_runtime_pm_get_raw(struct drm_i915_private *i915);
+static intel_wakeref_t intel_runtime_pm_get_raw(struct i915_runtime_pm *rpm);
static void
-__intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref,
+__intel_runtime_pm_put(struct i915_runtime_pm *rpm, intel_wakeref_t wref,
bool wakelock);
#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
static void
-intel_runtime_pm_put_raw(struct drm_i915_private *i915, intel_wakeref_t wref);
+intel_runtime_pm_put_raw(struct i915_runtime_pm *rpm, intel_wakeref_t wref);
#else
-static inline void intel_runtime_pm_put_raw(struct drm_i915_private *i915,
+static inline void intel_runtime_pm_put_raw(struct i915_runtime_pm *rpm,
intel_wakeref_t wref)
{
- __intel_runtime_pm_put(i915, -1, false);
+ __intel_runtime_pm_put(rpm, -1, false);
}
#endif
@@ -112,21 +112,18 @@ static void __print_depot_stack(depot_stack_handle_t stack,
snprint_stack_trace(buf, sz, &trace, indent);
}
-static void init_intel_runtime_pm_wakeref(struct drm_i915_private *i915)
+static void init_intel_runtime_pm_wakeref(struct i915_runtime_pm *rpm)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
-
spin_lock_init(&rpm->debug.lock);
}
static noinline depot_stack_handle_t
-track_intel_runtime_pm_wakeref(struct drm_i915_private *i915)
+track_intel_runtime_pm_wakeref(struct i915_runtime_pm *rpm)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
depot_stack_handle_t stack, *stacks;
unsigned long flags;
- if (!HAS_RUNTIME_PM(i915))
+ if (!rpm->available)
return -1;
stack = __save_depot_stack();
@@ -153,10 +150,9 @@ track_intel_runtime_pm_wakeref(struct drm_i915_private *i915)
return stack;
}
-static void untrack_intel_runtime_pm_wakeref(struct drm_i915_private *i915,
+static void untrack_intel_runtime_pm_wakeref(struct i915_runtime_pm *rpm,
depot_stack_handle_t stack)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
unsigned long flags, n;
bool found = false;
@@ -274,9 +270,8 @@ dump_and_free_wakeref_tracking(struct intel_runtime_pm_debug *debug)
}
static noinline void
-__intel_wakeref_dec_and_check_tracking(struct drm_i915_private *i915)
+__intel_wakeref_dec_and_check_tracking(struct i915_runtime_pm *rpm)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
struct intel_runtime_pm_debug dbg = {};
unsigned long flags;
@@ -292,9 +287,8 @@ __intel_wakeref_dec_and_check_tracking(struct drm_i915_private *i915)
}
static noinline void
-untrack_all_intel_runtime_pm_wakerefs(struct drm_i915_private *i915)
+untrack_all_intel_runtime_pm_wakerefs(struct i915_runtime_pm *rpm)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
struct intel_runtime_pm_debug dbg = {};
unsigned long flags;
@@ -345,61 +339,57 @@ void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915,
#else
-static void init_intel_runtime_pm_wakeref(struct drm_i915_private *i915)
+static void init_intel_runtime_pm_wakeref(struct i915_runtime_pm *rpm)
{
}
static depot_stack_handle_t
-track_intel_runtime_pm_wakeref(struct drm_i915_private *i915)
+track_intel_runtime_pm_wakeref(struct i915_runtime_pm *rpm)
{
return -1;
}
-static void untrack_intel_runtime_pm_wakeref(struct drm_i915_private *i915,
+static void untrack_intel_runtime_pm_wakeref(struct i915_runtime_pm *rpm,
intel_wakeref_t wref)
{
}
static void
-__intel_wakeref_dec_and_check_tracking(struct drm_i915_private *i915)
+__intel_wakeref_dec_and_check_tracking(struct i915_runtime_pm *rpm)
{
- atomic_dec(&i915->runtime_pm.wakeref_count);
+ atomic_dec(&rpm->wakeref_count);
}
static void
-untrack_all_intel_runtime_pm_wakerefs(struct drm_i915_private *i915)
+untrack_all_intel_runtime_pm_wakerefs(struct i915_runtime_pm *rpm)
{
}
#endif
static void
-intel_runtime_pm_acquire(struct drm_i915_private *i915, bool wakelock)
+intel_runtime_pm_acquire(struct i915_runtime_pm *rpm, bool wakelock)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
-
if (wakelock) {
atomic_add(1 + INTEL_RPM_WAKELOCK_BIAS, &rpm->wakeref_count);
- assert_rpm_wakelock_held(i915);
+ __assert_rpm_wakelock_held(rpm);
} else {
atomic_inc(&rpm->wakeref_count);
- assert_rpm_raw_wakeref_held(i915);
+ __assert_rpm_raw_wakeref_held(rpm);
}
}
static void
-intel_runtime_pm_release(struct drm_i915_private *i915, int wakelock)
+intel_runtime_pm_release(struct i915_runtime_pm *rpm, int wakelock)
{
- struct i915_runtime_pm *rpm = &i915->runtime_pm;
-
if (wakelock) {
- assert_rpm_wakelock_held(i915);
+ __assert_rpm_wakelock_held(rpm);
atomic_sub(INTEL_RPM_WAKELOCK_BIAS, &rpm->wakeref_count);
} else {
- assert_rpm_raw_wakeref_held(i915);
+ __assert_rpm_raw_wakeref_held(rpm);
}
- __intel_wakeref_dec_and_check_tracking(i915);
+ __intel_wakeref_dec_and_check_tracking(rpm);
}
bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv,
@@ -2030,7 +2020,7 @@ intel_display_power_grab_async_put_ref(struct drm_i915_private *dev_priv,
goto out_verify;
cancel_delayed_work(&power_domains->async_put_work);
- intel_runtime_pm_put_raw(dev_priv,
+ intel_runtime_pm_put_raw(&dev_priv->runtime_pm,
fetch_and_zero(&power_domains->async_put_wakeref));
out_verify:
verify_async_put_domains_state(power_domains);
@@ -2219,7 +2209,8 @@ intel_display_power_put_async_work(struct work_struct *work)
container_of(work, struct drm_i915_private,
power_domains.async_put_work.work);
struct i915_power_domains *power_domains = &dev_priv->power_domains;
- intel_wakeref_t new_work_wakeref = intel_runtime_pm_get_raw(dev_priv);
+ struct i915_runtime_pm *rpm = &dev_priv->runtime_pm;
+ intel_wakeref_t new_work_wakeref = intel_runtime_pm_get_raw(rpm);
intel_wakeref_t old_work_wakeref = 0;
mutex_lock(&power_domains->lock);
@@ -2249,9 +2240,9 @@ intel_display_power_put_async_work(struct work_struct *work)
mutex_unlock(&power_domains->lock);
if (old_work_wakeref)
- intel_runtime_pm_put_raw(dev_priv, old_work_wakeref);
+ intel_runtime_pm_put_raw(rpm, old_work_wakeref);
if (new_work_wakeref)
- intel_runtime_pm_put_raw(dev_priv, new_work_wakeref);
+ intel_runtime_pm_put_raw(rpm, new_work_wakeref);
}
/**
@@ -2269,7 +2260,8 @@ void __intel_display_power_put_async(struct drm_i915_private *i915,
intel_wakeref_t wakeref)
{
struct i915_power_domains *power_domains = &i915->power_domains;
- intel_wakeref_t work_wakeref = intel_runtime_pm_get_raw(i915);
+ struct i915_runtime_pm *rpm = &i915->runtime_pm;
+ intel_wakeref_t work_wakeref = intel_runtime_pm_get_raw(rpm);
mutex_lock(&power_domains->lock);
@@ -2296,7 +2288,7 @@ void __intel_display_power_put_async(struct drm_i915_private *i915,
mutex_unlock(&power_domains->lock);
if (work_wakeref)
- intel_runtime_pm_put_raw(i915, work_wakeref);
+ intel_runtime_pm_put_raw(rpm, work_wakeref);
intel_runtime_pm_put(i915, wakeref);
}
@@ -2334,7 +2326,7 @@ void intel_display_power_flush_work(struct drm_i915_private *i915)
mutex_unlock(&power_domains->lock);
if (work_wakeref)
- intel_runtime_pm_put_raw(i915, work_wakeref);
+ intel_runtime_pm_put_raw(&i915->runtime_pm, work_wakeref);
}
/**
@@ -4996,24 +4988,22 @@ static void intel_power_domains_verify_state(struct drm_i915_private *i915)
#endif
-static intel_wakeref_t __intel_runtime_pm_get(struct drm_i915_private *i915,
+static intel_wakeref_t __intel_runtime_pm_get(struct i915_runtime_pm *rpm,
bool wakelock)
{
- struct pci_dev *pdev = i915->drm.pdev;
- struct device *kdev = &pdev->dev;
int ret;
- ret = pm_runtime_get_sync(kdev);
+ ret = pm_runtime_get_sync(rpm->kdev);
WARN_ONCE(ret < 0, "pm_runtime_get_sync() failed: %d\n", ret);
- intel_runtime_pm_acquire(i915, wakelock);
+ intel_runtime_pm_acquire(rpm, wakelock);
- return track_intel_runtime_pm_wakeref(i915);
+ return track_intel_runtime_pm_wakeref(rpm);
}
-static intel_wakeref_t intel_runtime_pm_get_raw(struct drm_i915_private *i915)
+static intel_wakeref_t intel_runtime_pm_get_raw(struct i915_runtime_pm *rpm)
{
- return __intel_runtime_pm_get(i915, false);
+ return __intel_runtime_pm_get(rpm, false);
}
/**
@@ -5030,7 +5020,7 @@ static intel_wakeref_t intel_runtime_pm_get_raw(struct drm_i915_private *i915)
*/
intel_wakeref_t intel_runtime_pm_get(struct drm_i915_private *i915)
{
- return __intel_runtime_pm_get(i915, true);
+ return __intel_runtime_pm_get(&i915->runtime_pm, true);
}
/**
@@ -5049,23 +5039,22 @@ intel_wakeref_t intel_runtime_pm_get(struct drm_i915_private *i915)
*/
intel_wakeref_t intel_runtime_pm_get_if_in_use(struct drm_i915_private *i915)
{
- if (IS_ENABLED(CONFIG_PM)) {
- struct pci_dev *pdev = i915->drm.pdev;
- struct device *kdev = &pdev->dev;
+ struct i915_runtime_pm *rpm = &i915->runtime_pm;
+ if (IS_ENABLED(CONFIG_PM)) {
/*
* In cases runtime PM is disabled by the RPM core and we get
* an -EINVAL return value we are not supposed to call this
* function, since the power state is undefined. This applies
* atm to the late/early system suspend/resume handlers.
*/
- if (pm_runtime_get_if_in_use(kdev) <= 0)
+ if (pm_runtime_get_if_in_use(rpm->kdev) <= 0)
return 0;
}
- intel_runtime_pm_acquire(i915, true);
+ intel_runtime_pm_acquire(rpm, true);
- return track_intel_runtime_pm_wakeref(i915);
+ return track_intel_runtime_pm_wakeref(rpm);
}
/**
@@ -5089,27 +5078,25 @@ intel_wakeref_t intel_runtime_pm_get_if_in_use(struct drm_i915_private *i915)
*/
intel_wakeref_t intel_runtime_pm_get_noresume(struct drm_i915_private *i915)
{
- struct pci_dev *pdev = i915->drm.pdev;
- struct device *kdev = &pdev->dev;
+ struct i915_runtime_pm *rpm = &i915->runtime_pm;
- assert_rpm_wakelock_held(i915);
- pm_runtime_get_noresume(kdev);
+ __assert_rpm_wakelock_held(rpm);
+ pm_runtime_get_noresume(rpm->kdev);
- intel_runtime_pm_acquire(i915, true);
+ intel_runtime_pm_acquire(rpm, true);
- return track_intel_runtime_pm_wakeref(i915);
+ return track_intel_runtime_pm_wakeref(rpm);
}
-static void __intel_runtime_pm_put(struct drm_i915_private *i915,
+static void __intel_runtime_pm_put(struct i915_runtime_pm *rpm,
intel_wakeref_t wref,
bool wakelock)
{
- struct pci_dev *pdev = i915->drm.pdev;
- struct device *kdev = &pdev->dev;
+ struct device *kdev = rpm->kdev;
- untrack_intel_runtime_pm_wakeref(i915, wref);
+ untrack_intel_runtime_pm_wakeref(rpm, wref);
- intel_runtime_pm_release(i915, wakelock);
+ intel_runtime_pm_release(rpm, wakelock);
pm_runtime_mark_last_busy(kdev);
pm_runtime_put_autosuspend(kdev);
@@ -5117,9 +5104,9 @@ static void __intel_runtime_pm_put(struct drm_i915_private *i915,
#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
static void
-intel_runtime_pm_put_raw(struct drm_i915_private *i915, intel_wakeref_t wref)
+intel_runtime_pm_put_raw(struct i915_runtime_pm *rpm, intel_wakeref_t wref)
{
- __intel_runtime_pm_put(i915, wref, false);
+ __intel_runtime_pm_put(rpm, wref, false);
}
#endif
@@ -5137,7 +5124,7 @@ intel_runtime_pm_put_raw(struct drm_i915_private *i915, intel_wakeref_t wref)
*/
void intel_runtime_pm_put_unchecked(struct drm_i915_private *i915)
{
- __intel_runtime_pm_put(i915, -1, true);
+ __intel_runtime_pm_put(&i915->runtime_pm, -1, true);
}
#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
@@ -5152,7 +5139,7 @@ void intel_runtime_pm_put_unchecked(struct drm_i915_private *i915)
*/
void intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref)
{
- __intel_runtime_pm_put(i915, wref, true);
+ __intel_runtime_pm_put(&i915->runtime_pm, wref, true);
}
#endif
@@ -5168,8 +5155,8 @@ void intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref)
*/
void intel_runtime_pm_enable(struct drm_i915_private *i915)
{
- struct pci_dev *pdev = i915->drm.pdev;
- struct device *kdev = &pdev->dev;
+ struct i915_runtime_pm *rpm = &i915->runtime_pm;
+ struct device *kdev = rpm->kdev;
/*
* Disable the system suspend direct complete optimization, which can
@@ -5190,7 +5177,7 @@ void intel_runtime_pm_enable(struct drm_i915_private *i915)
* so the driver's own RPM reference tracking asserts also work on
* platforms without RPM support.
*/
- if (!HAS_RUNTIME_PM(i915)) {
+ if (!rpm->available) {
int ret;
pm_runtime_dont_use_autosuspend(kdev);
@@ -5210,8 +5197,8 @@ void intel_runtime_pm_enable(struct drm_i915_private *i915)
void intel_runtime_pm_disable(struct drm_i915_private *i915)
{
- struct pci_dev *pdev = i915->drm.pdev;
- struct device *kdev = &pdev->dev;
+ struct i915_runtime_pm *rpm = &i915->runtime_pm;
+ struct device *kdev = rpm->kdev;
/* Transfer rpm ownership back to core */
WARN(pm_runtime_get_sync(kdev) < 0,
@@ -5219,7 +5206,7 @@ void intel_runtime_pm_disable(struct drm_i915_private *i915)
pm_runtime_dont_use_autosuspend(kdev);
- if (!HAS_RUNTIME_PM(i915))
+ if (!rpm->available)
pm_runtime_put(kdev);
}
@@ -5233,10 +5220,17 @@ void intel_runtime_pm_cleanup(struct drm_i915_private *i915)
intel_rpm_raw_wakeref_count(count),
intel_rpm_wakelock_count(count));
- untrack_all_intel_runtime_pm_wakerefs(i915);
+ untrack_all_intel_runtime_pm_wakerefs(rpm);
}
void intel_runtime_pm_init_early(struct drm_i915_private *i915)
{
- init_intel_runtime_pm_wakeref(i915);
+ struct i915_runtime_pm *rpm = &i915->runtime_pm;
+ struct pci_dev *pdev = i915->drm.pdev;
+ struct device *kdev = &pdev->dev;
+
+ rpm->kdev = kdev;
+ rpm->available = HAS_RUNTIME_PM(i915);
+
+ init_intel_runtime_pm_wakeref(rpm);
}
--
2.20.1
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