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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-19 05:03:43 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-21 12:53:52 +0300 |
| commit | a4d86249c7735b964ae812b803b828f2651b13b6 (patch) | |
| tree | d8b86ce60ac46dcc87d03b2fa5cefa679e957523 /drivers/gpu/drm/i915/gt/selftest_lrc.c | |
| parent | a0d3fdb628b83e3a24acbf6915ede9359a1ecc2b (diff) | |
| download | linux-a4d86249c7735b964ae812b803b828f2651b13b6.tar.xz | |
drm/i915/gt: Provide a utility to create a scratch buffer
Primarily used by selftests, but also by runtime debugging of engine
w/a, is a routine to create a temporarily bound buffer for readback.
Almagamate the duplicated routines into one.
Suggested-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201219020343.22681-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_lrc.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index b7617731d2cd..6f21cdfd0903 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -27,29 +27,7 @@ static struct i915_vma *create_scratch(struct intel_gt *gt) { - struct drm_i915_gem_object *obj; - struct i915_vma *vma; - int err; - - obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); - if (IS_ERR(obj)) - return ERR_CAST(obj); - - i915_gem_object_set_cache_coherency(obj, I915_CACHING_CACHED); - - vma = i915_vma_instance(obj, >->ggtt->vm, NULL); - if (IS_ERR(vma)) { - i915_gem_object_put(obj); - return vma; - } - - err = i915_vma_pin(vma, 0, 0, PIN_GLOBAL); - if (err) { - i915_gem_object_put(obj); - return ERR_PTR(err); - } - - return vma; + return __vm_create_scratch_for_read(>->ggtt->vm, PAGE_SIZE); } static bool is_active(struct i915_request *rq) |