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authorPankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>2020-05-04 23:46:00 +0530
committerJani Nikula <jani.nikula@intel.com>2020-05-19 16:01:40 +0300
commit649c10ff85b94f7685c3a478e7788018a360f6e6 (patch)
treec983ee65f993ccf4f1d6a2551538b209d1679a34
parent19edeb388e9f5a0ba505bbf53059dc5a856a0c77 (diff)
downloadlinux-649c10ff85b94f7685c3a478e7788018a360f6e6.tar.bz2
drm/i915/runtime_pm: Prefer drm_WARN* over WARN*
struct drm_device specific drm_WARN* macros include device information in the backtrace, so we know what device the warnings originate from. Prefer drm_WARN* over WARN*. Conversion is done with below semantic patch: @@ identifier func, T; @@ func(struct intel_runtime_pm *T,...) { + struct drm_i915_private *i915 = container_of(T, struct drm_i915_private, runtime_pm); <+... ( -WARN( +drm_WARN(&i915->drm, ...) | -WARN_ON( +drm_WARN_ON(&i915->drm, ...) | -WARN_ONCE( +drm_WARN_ONCE(&i915->drm, ...) | -WARN_ON_ONCE( +drm_WARN_ON_ONCE(&i915->drm, ...) ) ...+> } Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200504181600.18503-10-pankaj.laxminarayan.bharadiya@intel.com
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c39
1 files changed, 28 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index ad719c9602af..31ccd0559c55 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -116,6 +116,9 @@ track_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
static void untrack_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm,
depot_stack_handle_t stack)
{
+ struct drm_i915_private *i915 = container_of(rpm,
+ struct drm_i915_private,
+ runtime_pm);
unsigned long flags, n;
bool found = false;
@@ -134,9 +137,9 @@ static void untrack_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm,
}
spin_unlock_irqrestore(&rpm->debug.lock, flags);
- if (WARN(!found,
- "Unmatched wakeref (tracking %lu), count %u\n",
- rpm->debug.count, atomic_read(&rpm->wakeref_count))) {
+ if (drm_WARN(&i915->drm, !found,
+ "Unmatched wakeref (tracking %lu), count %u\n",
+ rpm->debug.count, atomic_read(&rpm->wakeref_count))) {
char *buf;
buf = kmalloc(PAGE_SIZE, GFP_NOWAIT | __GFP_NOWARN);
@@ -355,10 +358,14 @@ intel_runtime_pm_release(struct intel_runtime_pm *rpm, int wakelock)
static intel_wakeref_t __intel_runtime_pm_get(struct intel_runtime_pm *rpm,
bool wakelock)
{
+ struct drm_i915_private *i915 = container_of(rpm,
+ struct drm_i915_private,
+ runtime_pm);
int ret;
ret = pm_runtime_get_sync(rpm->kdev);
- WARN_ONCE(ret < 0, "pm_runtime_get_sync() failed: %d\n", ret);
+ drm_WARN_ONCE(&i915->drm, ret < 0,
+ "pm_runtime_get_sync() failed: %d\n", ret);
intel_runtime_pm_acquire(rpm, wakelock);
@@ -539,6 +546,9 @@ void intel_runtime_pm_put(struct intel_runtime_pm *rpm, intel_wakeref_t wref)
*/
void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
{
+ struct drm_i915_private *i915 = container_of(rpm,
+ struct drm_i915_private,
+ runtime_pm);
struct device *kdev = rpm->kdev;
/*
@@ -565,7 +575,8 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
pm_runtime_dont_use_autosuspend(kdev);
ret = pm_runtime_get_sync(kdev);
- WARN(ret < 0, "pm_runtime_get_sync() failed: %d\n", ret);
+ drm_WARN(&i915->drm, ret < 0,
+ "pm_runtime_get_sync() failed: %d\n", ret);
} else {
pm_runtime_use_autosuspend(kdev);
}
@@ -580,11 +591,14 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
void intel_runtime_pm_disable(struct intel_runtime_pm *rpm)
{
+ struct drm_i915_private *i915 = container_of(rpm,
+ struct drm_i915_private,
+ runtime_pm);
struct device *kdev = rpm->kdev;
/* Transfer rpm ownership back to core */
- WARN(pm_runtime_get_sync(kdev) < 0,
- "Failed to pass rpm ownership back to core\n");
+ drm_WARN(&i915->drm, pm_runtime_get_sync(kdev) < 0,
+ "Failed to pass rpm ownership back to core\n");
pm_runtime_dont_use_autosuspend(kdev);
@@ -594,12 +608,15 @@ void intel_runtime_pm_disable(struct intel_runtime_pm *rpm)
void intel_runtime_pm_driver_release(struct intel_runtime_pm *rpm)
{
+ struct drm_i915_private *i915 = container_of(rpm,
+ struct drm_i915_private,
+ runtime_pm);
int count = atomic_read(&rpm->wakeref_count);
- WARN(count,
- "i915 raw-wakerefs=%d wakelocks=%d on cleanup\n",
- intel_rpm_raw_wakeref_count(count),
- intel_rpm_wakelock_count(count));
+ drm_WARN(&i915->drm, count,
+ "i915 raw-wakerefs=%d wakelocks=%d on cleanup\n",
+ intel_rpm_raw_wakeref_count(count),
+ intel_rpm_wakelock_count(count));
untrack_all_intel_runtime_pm_wakerefs(rpm);
}