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Commit 210e8ac4 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Add mock tests for GTT/VMA handling 



Use the live tests against the mock ppgtt for quick testing on all
platforms of the VMA layer.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-44-chris@chris-wilson.co.uk
parent 5f32616e

drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

+43 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include "../i915_selftest.h"

#include "i915_random.h"



#include "mock_context.h"

#include "mock_drm.h"

#include "mock_gem_device.h"
@@ -913,6 +914,45 @@ static void track_vma_bind(struct i915_vma *vma) 
	list_move_tail(&vma->vm_link, &vma->vm->inactive_list);

}



static int exercise_mock(struct drm_i915_private *i915,

			 int (*func)(struct drm_i915_private *i915,

				     struct i915_address_space *vm,

				     u64 hole_start, u64 hole_end,

				     unsigned long end_time))

{

	struct i915_gem_context *ctx;

	struct i915_hw_ppgtt *ppgtt;

	IGT_TIMEOUT(end_time);

	int err;



	ctx = mock_context(i915, "mock");

	if (!ctx)

		return -ENOMEM;



	ppgtt = ctx->ppgtt;

	GEM_BUG_ON(!ppgtt);



	err = func(i915, &ppgtt->base, 0, ppgtt->base.total, end_time);



	mock_context_close(ctx);

	return err;

}



static int igt_mock_fill(void *arg)

{

	return exercise_mock(arg, fill_hole);

}



static int igt_mock_walk(void *arg)

{

	return exercise_mock(arg, walk_hole);

}



static int igt_mock_drunk(void *arg)

{

	return exercise_mock(arg, drunk_hole);

}



static int igt_gtt_reserve(void *arg)

{

	struct drm_i915_private *i915 = arg;
@@ -1286,6 +1326,9 @@ static int igt_gtt_insert(void *arg) 
int i915_gem_gtt_mock_selftests(void)

{

	static const struct i915_subtest tests[] = {

		SUBTEST(igt_mock_drunk),

		SUBTEST(igt_mock_walk),

		SUBTEST(igt_mock_fill),

		SUBTEST(igt_gtt_reserve),

		SUBTEST(igt_gtt_insert),

	};