drm/i915/guc: Make sure to sanitize CT status

We are sanitizing firmware status and old mmio message, but
we forget to sanitize CT status.

Fixes: e85de1770385 ("drm/i915/guc: Introduce guc_is_ready")
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20200207131938.2787828-1-chris@chris-wilson.co.uk
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index 7ca9e51..668b067 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -161,6 +161,7 @@ static inline bool intel_guc_is_ready(struct intel_guc *guc)
 static inline int intel_guc_sanitize(struct intel_guc *guc)
 {
        intel_uc_fw_sanitize(&guc->fw);
+       intel_guc_ct_sanitize(&guc->ct);
        guc->mmio_msg = 0;
 
        return 0;

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
index 97913bb..494a51a 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
@@ -65,6 +65,11 @@ void intel_guc_ct_fini(struct intel_guc_ct *ct);
 int intel_guc_ct_enable(struct intel_guc_ct *ct);
 void intel_guc_ct_disable(struct intel_guc_ct *ct);
 
+static inline void intel_guc_ct_sanitize(struct intel_guc_ct *ct)
+{
+       ct->enabled = false;
+}
+
 static inline bool intel_guc_ct_enabled(struct intel_guc_ct *ct)
 {
        return ct->enabled;