drm/i915/gem: Clear read/write domains for GPU clear

Update the domains for the write via the GPU so that we do not
shortcircuit any set-domain clflush afterwards.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110978
Fixes: b2dbf8d982a4 ("drm/i915/blt: Remove recursive vma->lock")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190624141630.11015-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-06-24 15:16:30 +01:00
parent 8db7933ee3
commit 871918dffe

View File

@ -162,11 +162,12 @@ static void clear_pages_worker(struct work_struct *work)
goto out_signal;
if (obj->cache_dirty) {
obj->write_domain = 0;
if (i915_gem_object_has_struct_page(obj))
drm_clflush_sg(w->sleeve->pages);
obj->cache_dirty = false;
}
obj->read_domains = I915_GEM_GPU_DOMAINS;
obj->write_domain = 0;
/* XXX: we need to kill this */
mutex_lock(&i915->drm.struct_mutex);