Quoting Daniele Ceraolo Spurio (2019-12-11 21:12:43)
> Done ahead of splitting the lrc file as well, to keep that patch
> smaller. Just a straight copy, with the exception of create_scratch()
> that has been made common to avoid having 3 instances of it.
>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
> Cc: Matthew Brost <matthew.brost@xxxxxxxxx>
> ---
> .../drm/i915/gem/selftests/igt_gem_utils.c | 27 +
> .../drm/i915/gem/selftests/igt_gem_utils.h | 3 +
> drivers/gpu/drm/i915/gt/intel_lrc.c | 1 +
> drivers/gpu/drm/i915/gt/selftest_execlists.c | 3316 ++++++++++++++++
> drivers/gpu/drm/i915/gt/selftest_lrc.c | 3333 +----------------
> drivers/gpu/drm/i915/gt/selftest_mocs.c | 30 +-
> 6 files changed, 3351 insertions(+), 3359 deletions(-)
> create mode 100644 drivers/gpu/drm/i915/gt/selftest_execlists.c
>
> diff --git a/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c b/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c
> index 6718da20f35d..88109333cb79 100644
> --- a/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c
> +++ b/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c
> @@ -15,6 +15,33 @@
>
> #include "i915_request.h"
>
> +struct i915_vma *igt_create_scratch(struct intel_gt *gt)
_ggtt_scratch(size, coherency, pin) ?
As it stands, it's not general enough...
> +{
> + 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;
> +}
> +
> struct i915_request *
> igt_request_alloc(struct i915_gem_context *ctx, struct intel_engine_cs *engine)
> {
> diff --git a/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.h b/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.h
> index 4221cf84d175..aae781f59cfc 100644
> --- a/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.h
> +++ b/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.h
> @@ -15,6 +15,9 @@ struct i915_vma;
>
> struct intel_context;
> struct intel_engine_cs;
> +struct intel_gt;
> +
> +struct i915_vma *igt_create_scratch(struct intel_gt *gt);
>
> struct i915_request *
> igt_request_alloc(struct i915_gem_context *ctx, struct intel_engine_cs *engine);
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index 3afae9a44911..fbdd3bdd06f1 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -4446,4 +4446,5 @@ intel_engine_in_execlists_submission_mode(const struct intel_engine_cs *engine)
>
> #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
> #include "selftest_lrc.c"
> +#include "selftest_execlists.c"
> #endif
> diff --git a/drivers/gpu/drm/i915/gt/selftest_execlists.c b/drivers/gpu/drm/i915/gt/selftest_execlists.c
> new file mode 100644
> index 000000000000..b58a4feb2ec4
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/gt/selftest_execlists.c
Note that many if not all (there are a few where the guc being a black
box we cannot poke at internals) of these should also be used for guc
submission as a BAT.
-Chris
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