[Intel-gfx] [PATCH v5 5/7] drm/i915/guc: Fix GuC cleanup in unload path
Sagar Arun Kamble
sagar.a.kamble at intel.com
Fri Sep 22 04:24:59 UTC 2017
On 9/22/2017 2:27 AM, Michal Wajdeczko wrote:
> On Thu, 21 Sep 2017 19:38:49 +0200, Sagar Arun Kamble
> <sagar.a.kamble at intel.com> wrote:
>
>> We ensure that GuC is completely suspended and client is destroyed
>> in i915_gem_suspend during i915_driver_unload. So now intel_uc_fini_hw
>> should just take care of cleanup,
>> hence s/intel_uc_fini_hw/intel_uc_cleanup. Correspondingly
>> we also updated as
>> s/i915_guc_submission_fini/i915_guc_submission_cleanup
>> Other functionality to disable communication, disable interrupts and
>> update of ggtt.invalidate is taken care by intel_uc_suspend.
>> With this patch we are also doing guc_free_load_err_log only
>> if i915.enable_guc_loading is set.
>>
>> v2: Rebase w.r.t removal of GuC code restructuring.
>>
>> v3: Removed intel_guc_cleanup. (Michal)
>>
>> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
>> Cc: Michał Winiarski <michal.winiarski at intel.com>
>> Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
>> ---
>> drivers/gpu/drm/i915/i915_drv.c | 2 +-
>> drivers/gpu/drm/i915/i915_guc_submission.c | 2 +-
>> drivers/gpu/drm/i915/intel_uc.c | 16 +++++-----------
>> drivers/gpu/drm/i915/intel_uc.h | 4 ++--
>> 4 files changed, 9 insertions(+), 15 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_drv.c
>> b/drivers/gpu/drm/i915/i915_drv.c
>> index 8635f40..6f36ced 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.c
>> +++ b/drivers/gpu/drm/i915/i915_drv.c
>> @@ -602,7 +602,7 @@ static void i915_gem_fini(struct drm_i915_private
>> *dev_priv)
>> i915_gem_drain_workqueue(dev_priv);
>> mutex_lock(&dev_priv->drm.struct_mutex);
>> - intel_uc_fini_hw(dev_priv);
>> + intel_uc_cleanup(dev_priv);
>> i915_gem_cleanup_engines(dev_priv);
>> i915_gem_contexts_fini(dev_priv);
>> i915_gem_cleanup_userptr(dev_priv);
>> diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c
>> b/drivers/gpu/drm/i915/i915_guc_submission.c
>> index 0638ac5..c720ee9 100644
>> --- a/drivers/gpu/drm/i915/i915_guc_submission.c
>> +++ b/drivers/gpu/drm/i915/i915_guc_submission.c
>> @@ -1050,7 +1050,7 @@ int i915_guc_submission_init(struct
>> drm_i915_private *dev_priv)
>> return ret;
>> }
>> -void i915_guc_submission_fini(struct drm_i915_private *dev_priv)
>> +void i915_guc_submission_cleanup(struct drm_i915_private *dev_priv)
>> {
>> struct intel_guc *guc = &dev_priv->guc;
>> diff --git a/drivers/gpu/drm/i915/intel_uc.c
>> b/drivers/gpu/drm/i915/intel_uc.c
>> index 7137e38..70fef90 100644
>> --- a/drivers/gpu/drm/i915/intel_uc.c
>> +++ b/drivers/gpu/drm/i915/intel_uc.c
>> @@ -418,7 +418,7 @@ int intel_uc_init_hw(struct drm_i915_private
>> *dev_priv)
>> guc_capture_load_err_log(guc);
>> err_submission:
>> if (i915.enable_guc_submission)
>> - i915_guc_submission_fini(dev_priv);
>> + i915_guc_submission_cleanup(dev_priv);
>> err_guc:
>> i915_ggtt_disable_guc(dev_priv);
>> @@ -439,21 +439,15 @@ int intel_uc_init_hw(struct drm_i915_private
>> *dev_priv)
>> return ret;
>> }
>> -void intel_uc_fini_hw(struct drm_i915_private *dev_priv)
>> +void intel_uc_cleanup(struct drm_i915_private *dev_priv)
>> {
>> - guc_free_load_err_log(&dev_priv->guc);
>> -
>
> This should stay here, as we turn off "enable_guc_loading" flag
> on any guc load failure.
>
Ah. right. Will update. Thanks for catching this Michal.
>> if (!i915.enable_guc_loading)
>> return;
>> - guc_disable_communication(&dev_priv->guc);
>> -
>> - if (i915.enable_guc_submission) {
>> - gen9_disable_guc_interrupts(dev_priv);
>> - i915_guc_submission_fini(dev_priv);
>> - }
>> + guc_free_load_err_log(&dev_priv->guc);
>> - i915_ggtt_disable_guc(dev_priv);
>> + if (i915.enable_guc_submission)
>> + i915_guc_submission_cleanup(dev_priv);
>> }
>> int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32
>> len)
>> diff --git a/drivers/gpu/drm/i915/intel_uc.h
>> b/drivers/gpu/drm/i915/intel_uc.h
>> index 7b9ac3e..c6038de 100644
>> --- a/drivers/gpu/drm/i915/intel_uc.h
>> +++ b/drivers/gpu/drm/i915/intel_uc.h
>> @@ -207,7 +207,7 @@ struct intel_huc {
>> void intel_uc_init_fw(struct drm_i915_private *dev_priv);
>> void intel_uc_fini_fw(struct drm_i915_private *dev_priv);
>> int intel_uc_init_hw(struct drm_i915_private *dev_priv);
>> -void intel_uc_fini_hw(struct drm_i915_private *dev_priv);
>> +void intel_uc_cleanup(struct drm_i915_private *dev_priv);
>> int intel_uc_runtime_suspend(struct drm_i915_private *dev_priv);
>> int intel_uc_runtime_resume(struct drm_i915_private *dev_priv);
>> int intel_uc_suspend(struct drm_i915_private *dev_priv);
>> @@ -238,7 +238,7 @@ static inline void intel_guc_notify(struct
>> intel_guc *guc)
>> int i915_guc_submission_init(struct drm_i915_private *dev_priv);
>> int i915_guc_submission_enable(struct drm_i915_private *dev_priv);
>> void i915_guc_submission_disable(struct drm_i915_private *dev_priv);
>> -void i915_guc_submission_fini(struct drm_i915_private *dev_priv);
>> +void i915_guc_submission_cleanup(struct drm_i915_private *dev_priv);
>> struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32
>> size);
>> /* intel_guc_log.c */
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