Clean up the opregion state if something fails after intel_opregion_setup() is called.
Signed-off-by: Imre Deak <[email protected]> --- drivers/gpu/drm/i915/display/intel_opregion.c | 8 ++++++++ drivers/gpu/drm/i915/display/intel_opregion.h | 1 + drivers/gpu/drm/i915/i915_driver.c | 6 +++++- 3 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index bbcc2142d7df5..b7973a05d022d 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -1237,6 +1237,14 @@ void intel_opregion_unregister(struct drm_i915_private *i915) unregister_acpi_notifier(&opregion->acpi_notifier); opregion->acpi_notifier.notifier_call = NULL; } +} + +void intel_opregion_cleanup(struct drm_i915_private *i915) +{ + struct intel_opregion *opregion = &i915->display.opregion; + + if (!opregion->header) + return; /* just clear all opregion memory pointers now */ memunmap(opregion->header); diff --git a/drivers/gpu/drm/i915/display/intel_opregion.h b/drivers/gpu/drm/i915/display/intel_opregion.h index d02e6696a050e..181eb3e9abbf3 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.h +++ b/drivers/gpu/drm/i915/display/intel_opregion.h @@ -60,6 +60,7 @@ struct intel_opregion { #ifdef CONFIG_ACPI int intel_opregion_setup(struct drm_i915_private *dev_priv); +void intel_opregion_cleanup(struct drm_i915_private *i915); void intel_opregion_register(struct drm_i915_private *dev_priv); void intel_opregion_unregister(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index e3244972521cb..471a2db70d69c 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -532,7 +532,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) ret = i915_pcode_init(dev_priv); if (ret) - goto err_msi; + goto err_opregion; /* * Fill the dram structure to get the system dram info. This will be @@ -553,6 +553,8 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) return 0; +err_opregion: + intel_opregion_cleanup(dev_priv); err_msi: if (pdev->msi_enabled) pci_disable_msi(pdev); @@ -578,6 +580,8 @@ static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) i915_perf_fini(dev_priv); + intel_opregion_cleanup(dev_priv); + if (pdev->msi_enabled) pci_disable_msi(pdev); -- 2.37.1
