With this patch we reuse the complete sanitization done via
intel_uc_suspend called in new function intel_uc_reset_prepare.
Post reset this state is recreated by intel_uc_init_hw.
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Michał Winiarski <michal.winiarski@xxxxxxxxx>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 2 ++
drivers/gpu/drm/i915/intel_uc.c | 5 +++++
drivers/gpu/drm/i915/intel_uc.h | 1 +
3 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index dd56d45..76e1bb2 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2847,6 +2847,8 @@ int i915_gem_reset_prepare(struct drm_i915_private *dev_priv)
i915_gem_revoke_fences(dev_priv);
+ intel_uc_reset_prepare(dev_priv);
+
return err;
}
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 51876f9..a5b4f4d 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -470,3 +470,8 @@ int intel_uc_resume(struct drm_i915_private *dev_priv)
{
return 0;
}
+
+int intel_uc_reset_prepare(struct drm_i915_private *dev_priv)
+{
+ return intel_uc_suspend(dev_priv);
+}
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index c9f83f5..d0c2a27 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -69,5 +69,6 @@ static inline const char *intel_uc_fw_type_repr(enum intel_uc_fw_type type)
int intel_uc_runtime_resume(struct drm_i915_private *dev_priv);
int intel_uc_suspend(struct drm_i915_private *dev_priv);
int intel_uc_resume(struct drm_i915_private *dev_priv);
+int intel_uc_reset_prepare(struct drm_i915_private *dev_priv);
#endif
--
1.9.1
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