On 4/9/2018 5:53 PM, Michal Wajdeczko wrote:
As we always call intel_uc_sanitize after every call to
intel_uc_fini_hw we may drop redundant call and sanitize
uC from the fini_hw function.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
With change to sanitize during uc_init_mmio this looks good to me.
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 2 --
drivers/gpu/drm/i915/intel_uc.c | 9 +++------
drivers/gpu/drm/i915/intel_uc.h | 1 -
3 files changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ceec5a0..decda1a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3077,7 +3077,6 @@ int i915_gem_reset_prepare(struct drm_i915_private *dev_priv)
}
i915_gem_revoke_fences(dev_priv);
- intel_uc_sanitize(dev_priv);
return err;
}
@@ -5062,7 +5061,6 @@ int i915_gem_suspend(struct drm_i915_private *dev_priv)
* machine in an unusable condition.
*/
i915_gem_fini_hw(dev_priv);
- intel_uc_sanitize(dev_priv);
i915_gem_sanitize(dev_priv);
intel_runtime_pm_put(dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 1cffaf7..0439966 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -322,18 +322,13 @@ void intel_uc_fini(struct drm_i915_private *dev_priv)
intel_guc_fini(guc);
}
-void intel_uc_sanitize(struct drm_i915_private *i915)
+static void __uc_sanitize(struct drm_i915_private *i915)
{
struct intel_guc *guc = &i915->guc;
struct intel_huc *huc = &i915->huc;
- if (!USES_GUC(i915))
- return;
-
GEM_BUG_ON(!HAS_GUC(i915));
- guc_disable_communication(guc);
-
intel_huc_sanitize(huc);
intel_guc_sanitize(guc);
@@ -445,6 +440,8 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv)
intel_guc_submission_disable(guc);
guc_disable_communication(guc);
+
+ __uc_sanitize(dev_priv);
}
int intel_uc_suspend(struct drm_i915_private *i915)
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 25d73ad..64aaf93 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -33,7 +33,6 @@
void intel_uc_init_mmio(struct drm_i915_private *dev_priv);
int intel_uc_init_misc(struct drm_i915_private *dev_priv);
void intel_uc_fini_misc(struct drm_i915_private *dev_priv);
-void intel_uc_sanitize(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);
int intel_uc_init(struct drm_i915_private *dev_priv);
--
Thanks,
Sagar
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