[Intel-gfx] [PATCH 11/46] drm/i915/guc: Track the rpm wakeref
Chris Wilson
chris at chris-wilson.co.uk
Mon Jan 7 11:54:34 UTC 2019
Keep track of our acquired wakeref for interacting with the guc, so that
we can cancel it upon release and so clearly identify leaks.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula at intel.com>
---
drivers/gpu/drm/i915/intel_guc_log.c | 15 +++++++++------
drivers/gpu/drm/i915/intel_huc.c | 5 +++--
2 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index 1b1581a42aa1..20c0b36d748e 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -436,6 +436,7 @@ static void guc_log_capture_logs(struct intel_guc_log *log)
{
struct intel_guc *guc = log_to_guc(log);
struct drm_i915_private *dev_priv = guc_to_i915(guc);
+ intel_wakeref_t wakeref;
guc_read_update_log_buffer(log);
@@ -443,9 +444,9 @@ static void guc_log_capture_logs(struct intel_guc_log *log)
* Generally device is expected to be active only at this
* time, so get/put should be really quick.
*/
- intel_runtime_pm_get(dev_priv);
+ wakeref = intel_runtime_pm_get(dev_priv);
guc_action_flush_log_complete(guc);
- intel_runtime_pm_put_unchecked(dev_priv);
+ intel_runtime_pm_put(dev_priv, wakeref);
}
int intel_guc_log_create(struct intel_guc_log *log)
@@ -505,6 +506,7 @@ int intel_guc_log_set_level(struct intel_guc_log *log, u32 level)
{
struct intel_guc *guc = log_to_guc(log);
struct drm_i915_private *dev_priv = guc_to_i915(guc);
+ intel_wakeref_t wakeref;
int ret;
BUILD_BUG_ON(GUC_LOG_VERBOSITY_MIN != 0);
@@ -524,11 +526,11 @@ int intel_guc_log_set_level(struct intel_guc_log *log, u32 level)
goto out_unlock;
}
- intel_runtime_pm_get(dev_priv);
+ wakeref = intel_runtime_pm_get(dev_priv);
ret = guc_action_control_log(guc, GUC_LOG_LEVEL_IS_VERBOSE(level),
GUC_LOG_LEVEL_IS_ENABLED(level),
GUC_LOG_LEVEL_TO_VERBOSITY(level));
- intel_runtime_pm_put_unchecked(dev_priv);
+ intel_runtime_pm_put(dev_priv, wakeref);
if (ret) {
DRM_DEBUG_DRIVER("guc_log_control action failed %d\n", ret);
goto out_unlock;
@@ -601,6 +603,7 @@ void intel_guc_log_relay_flush(struct intel_guc_log *log)
{
struct intel_guc *guc = log_to_guc(log);
struct drm_i915_private *i915 = guc_to_i915(guc);
+ intel_wakeref_t wakeref;
/*
* Before initiating the forceful flush, wait for any pending/ongoing
@@ -608,9 +611,9 @@ void intel_guc_log_relay_flush(struct intel_guc_log *log)
*/
flush_work(&log->relay.flush_work);
- intel_runtime_pm_get(i915);
+ wakeref = intel_runtime_pm_get(i915);
guc_action_flush_log(guc);
- intel_runtime_pm_put_unchecked(i915);
+ intel_runtime_pm_put(i915, wakeref);
/* GuC would have updated log buffer by now, so capture it */
guc_log_capture_logs(log);
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
index c2b076e9bada..3e8c18b6a42d 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/intel_huc.c
@@ -115,14 +115,15 @@ int intel_huc_auth(struct intel_huc *huc)
int intel_huc_check_status(struct intel_huc *huc)
{
struct drm_i915_private *dev_priv = huc_to_i915(huc);
+ intel_wakeref_t wakeref;
bool status;
if (!HAS_HUC(dev_priv))
return -ENODEV;
- intel_runtime_pm_get(dev_priv);
+ wakeref = intel_runtime_pm_get(dev_priv);
status = I915_READ(HUC_STATUS2) & HUC_FW_VERIFIED;
- intel_runtime_pm_put_unchecked(dev_priv);
+ intel_runtime_pm_put(dev_priv, wakeref);
return status;
}
--
2.20.1
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