From 210e8ac48f26c965d07db16cff7a5b3d02f8e337 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 13 Feb 2017 17:15:55 +0000 Subject: [PATCH] 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: Chris Wilson Reviewed-by: Matthew Auld Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-44-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 43 +++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 349b0de..5caa515 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -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 @@ out: 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), }; -- 2.7.4