Chris Wilson <ch...@chris-wilson.co.uk> writes:
> We no longer need to manually acquire a wakeref for request emission, so
> drop the redundant wakerefs, letting us test our wakeref handling more
> precisely.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Riding on the request's ref and getting more fine
grained sounds good.
Reviewed-by: Mika Kuoppala <mika.kuopp...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 7 -------
> drivers/gpu/drm/i915/gt/selftest_reset.c | 4 ++--
> 2 files changed, 2 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> index 0e0b6c572ae9..cf592a049a71 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> @@ -373,7 +373,6 @@ static int igt_reset_nop(void *arg)
> struct i915_gem_context *ctx;
> unsigned int reset_count, count;
> enum intel_engine_id id;
> - intel_wakeref_t wakeref;
> struct drm_file *file;
> IGT_TIMEOUT(end_time);
> int err = 0;
> @@ -393,7 +392,6 @@ static int igt_reset_nop(void *arg)
> }
>
> i915_gem_context_clear_bannable(ctx);
> - wakeref = intel_runtime_pm_get(&i915->runtime_pm);
> reset_count = i915_reset_count(&i915->gpu_error);
> count = 0;
> do {
> @@ -442,8 +440,6 @@ static int igt_reset_nop(void *arg)
> err = igt_flush_test(i915, I915_WAIT_LOCKED);
> mutex_unlock(&i915->drm.struct_mutex);
>
> - intel_runtime_pm_put(&i915->runtime_pm, wakeref);
> -
> out:
> mock_file_free(i915, file);
> if (i915_reset_failed(i915))
> @@ -457,7 +453,6 @@ static int igt_reset_nop_engine(void *arg)
> struct intel_engine_cs *engine;
> struct i915_gem_context *ctx;
> enum intel_engine_id id;
> - intel_wakeref_t wakeref;
> struct drm_file *file;
> int err = 0;
>
> @@ -479,7 +474,6 @@ static int igt_reset_nop_engine(void *arg)
> }
>
> i915_gem_context_clear_bannable(ctx);
> - wakeref = intel_runtime_pm_get(&i915->runtime_pm);
> for_each_engine(engine, i915, id) {
> unsigned int reset_count, reset_engine_count;
> unsigned int count;
> @@ -549,7 +543,6 @@ static int igt_reset_nop_engine(void *arg)
> err = igt_flush_test(i915, I915_WAIT_LOCKED);
> mutex_unlock(&i915->drm.struct_mutex);
>
> - intel_runtime_pm_put(&i915->runtime_pm, wakeref);
> out:
> mock_file_free(i915, file);
> if (i915_reset_failed(i915))
> diff --git a/drivers/gpu/drm/i915/gt/selftest_reset.c
> b/drivers/gpu/drm/i915/gt/selftest_reset.c
> index 89da9e7cc1ba..64c2c8ab64ec 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_reset.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_reset.c
> @@ -63,8 +63,8 @@ static int igt_atomic_reset(void *arg)
>
> /* Check that the resets are usable from atomic context */
>
> + intel_gt_pm_get(&i915->gt);
> igt_global_reset_lock(i915);
> - mutex_lock(&i915->drm.struct_mutex);
>
> /* Flush any requests before we get started and check basics */
> if (!igt_force_reset(i915))
> @@ -89,8 +89,8 @@ static int igt_atomic_reset(void *arg)
> igt_force_reset(i915);
>
> unlock:
> - mutex_unlock(&i915->drm.struct_mutex);
> igt_global_reset_unlock(i915);
> + intel_gt_pm_put(&i915->gt);
>
> return err;
> }
> --
> 2.20.1
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