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@xxxxxxxxx> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_uc.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index f67f6224b1df..01683d107348 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 @@ int intel_uc_init_hw(struct drm_i915_private *i915) 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) -- 2.19.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx