[PATCH 1/5] drm/i915/uc: Cleanup fw fetch only if it was successful

[Michal Wajdeczko]

We can rely on firmware status AVAILABLE to determine if any
firmware fetch is required. Also don't unconditionally reset
fw status to SELECTED as we will loose MISSING/ERROR codes.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index 890ae6b4a3d0..527de1fd9d78 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -559,18 +559,16 @@ void intel_uc_fw_fini(struct intel_uc_fw *uc_fw)
 
 /**
  * intel_uc_fw_cleanup_fetch - cleanup uC firmware
- *
  * @uc_fw: uC firmware
  *
  * Cleans up uC firmware by releasing the firmware GEM obj.
  */
 void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw)
 {
-	struct drm_i915_gem_object *obj;
+	if (!intel_uc_fw_is_available(uc_fw))
+		return;
 
-	obj = fetch_and_zero(&uc_fw->obj);
-	if (obj)
-		i915_gem_object_put(obj);
+	i915_gem_object_put(fetch_and_zero(&uc_fw->obj));
 
 	intel_uc_fw_change_status(uc_fw, INTEL_UC_FIRMWARE_SELECTED);
 }
-- 
2.19.2