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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2021-03-23 16:50:11 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2021-03-24 17:27:20 +0100
commit1b321026e21387108f1bf9719d38222ef9d017d3 (patch)
tree4851f4151c974da8f1cba5e4fc20cb5f04ebade0 /drivers/gpu/drm/i915/gem/i915_gem_phys.c
parentd4fa4e70acdf383891c79d7aa4c9995b17c2b7b0 (diff)
drm/i915: Pass ww ctx to intel_pin_to_display_plane
Instead of multiple lockings, lock the object once, and perform the ww dance around attach_phys and pin_pages. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-23-maarten.lankhorst@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_phys.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_phys.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
index 44329c435cf1..92297362fad8 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
@@ -219,6 +219,8 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align)
{
int err;
+ assert_object_held(obj);
+
if (align > obj->base.size)
return -EINVAL;
@@ -232,13 +234,9 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align)
if (err)
return err;
- err = i915_gem_object_lock_interruptible(obj, NULL);
- if (err)
- return err;
-
err = mutex_lock_interruptible(&obj->mm.lock);
if (err)
- goto err_unlock;
+ return err;
if (unlikely(!i915_gem_object_has_struct_page(obj)))
goto out;
@@ -269,8 +267,6 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align)
out:
mutex_unlock(&obj->mm.lock);
-err_unlock:
- i915_gem_object_unlock(obj);
return err;
}