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authorMichal Wajdeczko <michal.wajdeczko@intel.com>2019-05-22 22:31:59 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2019-05-23 23:58:36 +0300
commit89195bab5d8c540e565b47e2ad6ebbbe420be640 (patch)
treeff1ad23c24c6d81d690c0ad321523322401fd77f /drivers/gpu/drm/i915/intel_uc.c
parent78577e294bf2b013470d2f9e1e5b5f531440683b (diff)
downloadlinux-89195bab5d8c540e565b47e2ad6ebbbe420be640.tar.xz
drm/i915/uc: Explicitly sanitize GuC/HuC on failure and finish
Explicitly sanitize GuC/HuC on load failure and when we finish using them to make sure our fw state tracking is always correct. While around, use new helper in uc_reset_prepare. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@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/20190522193203.23932-6-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_uc.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 1ee70df51627..415f4058ce2a 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -337,14 +337,11 @@ void intel_uc_fini(struct drm_i915_private *i915)
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));
intel_huc_sanitize(huc);
@@ -353,6 +350,14 @@ void intel_uc_sanitize(struct drm_i915_private *i915)
__intel_uc_reset_hw(i915);
}
+void intel_uc_sanitize(struct drm_i915_private *i915)
+{
+ if (!USES_GUC(i915))
+ return;
+
+ __uc_sanitize(i915);
+}
+
int intel_uc_init_hw(struct drm_i915_private *i915)
{
struct intel_guc *guc = &i915->guc;
@@ -438,6 +443,8 @@ err_communication:
err_log_capture:
guc_capture_load_err_log(guc);
err_out:
+ __uc_sanitize(i915);
+
/*
* Note that there is no fallback as either user explicitly asked for
* the GuC or driver default option was to run with the GuC enabled.
@@ -462,6 +469,7 @@ void intel_uc_fini_hw(struct drm_i915_private *i915)
intel_guc_submission_disable(guc);
guc_disable_communication(guc);
+ __uc_sanitize(i915);
}
/**
@@ -478,7 +486,7 @@ void intel_uc_reset_prepare(struct drm_i915_private *i915)
return;
guc_disable_communication(guc);
- intel_uc_sanitize(i915);
+ __uc_sanitize(i915);
}
void intel_uc_runtime_suspend(struct drm_i915_private *i915)