From: Chris Wilson Date: Fri, 17 Mar 2017 19:46:47 +0000 (+0000) Subject: drm/i915: i915_gem_object_create_from_data() doesn't require struct_mutex X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ce8ff099c47be277e56461b91270a4926954dc98;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/i915: i915_gem_object_create_from_data() doesn't require struct_mutex Both object creation and backing storage page allocation do not require struct_mutex, so do not require the caller to take it. Signed-off-by: Chris Wilson Link: http://patchwork.freedesktop.org/patch/msgid/20170317194648.12468-1-chris@chris-wilson.co.uk Reviewed-by: Matthew Auld --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index fd611b4c1a2c..3492f8d27c32 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4961,9 +4961,7 @@ i915_gem_object_create_from_data(struct drm_i915_private *dev_priv, if (IS_ERR(obj)) return obj; - ret = i915_gem_object_set_to_cpu_domain(obj, true); - if (ret) - goto fail; + GEM_BUG_ON(obj->base.write_domain != I915_GEM_DOMAIN_CPU); ret = i915_gem_object_pin_pages(obj); if (ret) diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 21f6d822194d..86530c92337a 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -376,9 +376,7 @@ void intel_uc_prepare_fw(struct drm_i915_private *dev_priv, uc_fw->major_ver_found, uc_fw->minor_ver_found, uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); - mutex_lock(&dev_priv->drm.struct_mutex); obj = i915_gem_object_create_from_data(dev_priv, fw->data, fw->size); - mutex_unlock(&dev_priv->drm.struct_mutex); if (IS_ERR_OR_NULL(obj)) { err = obj ? PTR_ERR(obj) : -ENOMEM; goto fail;