Commit 871918df authored Jun 24, 2019 by Chris Wilson

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: b2dbf8d9 ("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

parent 8db7933e

drivers/gpu/drm/i915/gem/i915_gem_client_blt.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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);

Admin message