drm/i915: Discard some redundant cache domain flushes

[linux.git] / drivers / gpu / drm / i915 / intel_guc_log.c

diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index 67eadc82c396d942223a70bed3f0794c874b8a5f..4f9c53681f92415d4b8a73444e80ec7f7169204f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -344,29 +344,20 @@ static void capture_logs_work(struct work_struct *work)
 static int guc_log_map(struct intel_guc_log *log)
 {
        void *vaddr;
-       int ret;
 
        lockdep_assert_held(&log->relay.lock);
 
        if (!log->vma)
                return -ENODEV;
 
-       i915_gem_object_lock(log->vma->obj);
-       ret = i915_gem_object_set_to_wc_domain(log->vma->obj, true);
-       i915_gem_object_unlock(log->vma->obj);
-       if (ret)
-               return ret;
-
        /*
         * Create a WC (Uncached for read) vmalloc mapping of log
         * buffer pages, so that we can directly get the data
         * (up-to-date) from memory.
         */
        vaddr = i915_gem_object_pin_map(log->vma->obj, I915_MAP_WC);
-       if (IS_ERR(vaddr)) {
-               DRM_ERROR("Couldn't map log buffer pages %d\n", ret);
+       if (IS_ERR(vaddr))
                return PTR_ERR(vaddr);
-       }
 
        log->relay.buf_addr = vaddr;