diff options
| author | Sagar Arun Kamble <sagar.a.kamble@intel.com> | 2018-01-24 18:46:56 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-01-24 22:44:02 +0300 |
| commit | 1be333d34e22db8fd07dca7efa78b93189eddf6b (patch) | |
| tree | 14342086993355e310ce953e604d415125736220 /drivers/gpu/drm/i915/intel_guc_log.c | |
| parent | 16af25faae8ef72b4ff2feeca65f6e864c3ef929 (diff) | |
| download | linux-1be333d34e22db8fd07dca7efa78b93189eddf6b.tar.xz | |
drm/i915/guc: Grab RPM wakelock while disabling GuC interrupts
Disabling GuC interrupts involves access to GuC IRQ control registers
hence ensure device is RPM awake.
v1-v2: old changelog
1: Add comment about need to synchronize flush work and log runtime
destroy
2: Moved patch earlier in the series and removed comment about future
work. (Tvrtko)
v3: Added assert_rpm_wakelock_held() to gen9_*_guc_interrupts. (Chris)
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/1516808821-3638-1-git-send-email-sagar.a.kamble@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_log.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_log.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c index 2ffc966aa196..8f2da309508a 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/intel_guc_log.c @@ -639,7 +639,10 @@ void i915_guc_log_unregister(struct drm_i915_private *dev_priv) mutex_lock(&dev_priv->drm.struct_mutex); /* GuC logging is currently the only user of Guc2Host interrupts */ + intel_runtime_pm_get(dev_priv); gen9_disable_guc_interrupts(dev_priv); + intel_runtime_pm_put(dev_priv); + guc_log_runtime_destroy(&dev_priv->guc); mutex_unlock(&dev_priv->drm.struct_mutex); } |