From: Chris Wilson chris@chris-wilson.co.uk
Instead of manipulating the object's cache domain, just use the device coherent map to write the batch buffer.
Signed-off-by: Chris Wilson chris@chris-wilson.co.uk Reviewed-by: Matthew Auld matthew.auld@intel.com Signed-off-by: Tvrtko Ursulin tvrtko.ursulin@intel.com --- .../drm/i915/gem/selftests/i915_gem_context.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index ce70d0a3afb2..3d8d5f242e34 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -1622,7 +1622,7 @@ static int read_from_scratch(struct i915_gem_context *ctx, if (err) goto out_vm;
- cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WB); + cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); if (IS_ERR(cmd)) { err = PTR_ERR(cmd); goto out; @@ -1658,7 +1658,7 @@ static int read_from_scratch(struct i915_gem_context *ctx, if (err) goto out_vm;
- cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WB); + cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); if (IS_ERR(cmd)) { err = PTR_ERR(cmd); goto out; @@ -1707,15 +1707,17 @@ static int read_from_scratch(struct i915_gem_context *ctx,
i915_vma_unpin(vma);
+ i915_request_get(rq); i915_request_add(rq);
- i915_gem_object_lock(obj, NULL); - err = i915_gem_object_set_to_cpu_domain(obj, false); - i915_gem_object_unlock(obj); - if (err) + if (i915_request_wait(rq, 0, HZ / 5) < 0) { + i915_request_put(rq); + err = -ETIME; goto out_vm; + } + i915_request_put(rq);
- cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WB); + cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); if (IS_ERR(cmd)) { err = PTR_ERR(cmd); goto out_vm;