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drm/i915/selftests: Refactor common flush_test() 

Pull igt_flush_test() out into its own library before copying and
pasting the code for a third time.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180505091014.26126-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-05-05 10:10:13 +01:00
parent c11c7bfd21
commit 98dc0454c0
5 changed files with 93 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/i915/Makefile
View File

@ -158,7 +158,8 @@ i915-y += dvo_ch7017.o \
i915-$(CONFIG_DRM_I915_CAPTURE_ERROR) += i915_gpu_error.o
i915-$(CONFIG_DRM_I915_SELFTEST) += \
selftests/i915_random.o \
selftests/i915_selftest.o
selftests/i915_selftest.o \
selftests/igt_flush_test.o
# virtual gpu code
i915-y += i915_vgpu.o

64
drivers/gpu/drm/i915/selftests/igt_flush_test.c Normal file
View File

@ -0,0 +1,64 @@
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#include "../i915_drv.h"
#include "../i915_selftest.h"
#include "igt_flush_test.h"
struct wedge_me {
struct delayed_work work;
struct drm_i915_private *i915;
const void *symbol;
};
static void wedge_me(struct work_struct *work)
{
struct wedge_me *w = container_of(work, typeof(*w), work.work);
pr_err("%pS timed out, cancelling all further testing.\n", w->symbol);
GEM_TRACE("%pS timed out.\n", w->symbol);
GEM_TRACE_DUMP();
i915_gem_set_wedged(w->i915);
}
static void __init_wedge(struct wedge_me *w,
struct drm_i915_private *i915,
long timeout,
const void *symbol)
{
w->i915 = i915;
w->symbol = symbol;
INIT_DELAYED_WORK_ONSTACK(&w->work, wedge_me);
schedule_delayed_work(&w->work, timeout);
}
static void __fini_wedge(struct wedge_me *w)
{
cancel_delayed_work_sync(&w->work);
destroy_delayed_work_on_stack(&w->work);
w->i915 = NULL;
}
#define wedge_on_timeout(W, DEV, TIMEOUT) \
for (__init_wedge((W), (DEV), (TIMEOUT), __builtin_return_address(0)); \
(W)->i915; \
__fini_wedge((W)))
int igt_flush_test(struct drm_i915_private *i915, unsigned int flags)
{
struct wedge_me w;
cond_resched();
wedge_on_timeout(&w, i915, HZ)
i915_gem_wait_for_idle(i915, flags);
return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0;
}

14
drivers/gpu/drm/i915/selftests/igt_flush_test.h Normal file
View File

@ -0,0 +1,14 @@
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#ifndef IGT_FLUSH_TEST_H
#define IGT_FLUSH_TEST_H
struct drm_i915_private;
int igt_flush_test(struct drm_i915_private *i915, unsigned int flags);
#endif /* IGT_FLUSH_TEST_H */

66
drivers/gpu/drm/i915/selftests/intel_hangcheck.c
View File

@ -26,6 +26,7 @@
#include "../i915_selftest.h"
#include "i915_random.h"
#include "igt_flush_test.h"
#include "mock_context.h"
#include "mock_drm.h"
@ -253,61 +254,6 @@ static u32 hws_seqno(const struct hang *h, const struct i915_request *rq)
return READ_ONCE(h->seqno[rq->fence.context % (PAGE_SIZE/sizeof(u32))]);
}
struct wedge_me {
struct delayed_work work;
struct drm_i915_private *i915;
const void *symbol;
};
static void wedge_me(struct work_struct *work)
{
struct wedge_me *w = container_of(work, typeof(*w), work.work);
pr_err("%pS timed out, cancelling all further testing.\n", w->symbol);
GEM_TRACE("%pS timed out.\n", w->symbol);
GEM_TRACE_DUMP();
i915_gem_set_wedged(w->i915);
}
static void __init_wedge(struct wedge_me *w,
struct drm_i915_private *i915,
long timeout,
const void *symbol)
{
w->i915 = i915;
w->symbol = symbol;
INIT_DELAYED_WORK_ONSTACK(&w->work, wedge_me);
schedule_delayed_work(&w->work, timeout);
}
static void __fini_wedge(struct wedge_me *w)
{
cancel_delayed_work_sync(&w->work);
destroy_delayed_work_on_stack(&w->work);
w->i915 = NULL;
}
#define wedge_on_timeout(W, DEV, TIMEOUT) \
for (__init_wedge((W), (DEV), (TIMEOUT), __builtin_return_address(0)); \
(W)->i915; \
__fini_wedge((W)))
static noinline int
flush_test(struct drm_i915_private *i915, unsigned int flags)
{
struct wedge_me w;
cond_resched();
wedge_on_timeout(&w, i915, HZ)
i915_gem_wait_for_idle(i915, flags);
return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0;
}
static void hang_fini(struct hang *h)
{
*h->batch = MI_BATCH_BUFFER_END;
@ -321,7 +267,7 @@ static void hang_fini(struct hang *h)
kernel_context_close(h->ctx);
flush_test(h->i915, I915_WAIT_LOCKED);
igt_flush_test(h->i915, I915_WAIT_LOCKED);
}
static bool wait_until_running(struct hang *h, struct i915_request *rq)
@ -575,7 +521,7 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active)
if (err)
break;
err = flush_test(i915, 0);
err = igt_flush_test(i915, 0);
if (err)
break;
}
@ -874,7 +820,7 @@ unwind:
if (err)
break;
err = flush_test(i915, 0);
err = igt_flush_test(i915, 0);
if (err)
break;
}
@ -1168,7 +1114,7 @@ static int igt_reset_queue(void *arg)
i915_request_put(prev);
err = flush_test(i915, I915_WAIT_LOCKED);
err = igt_flush_test(i915, I915_WAIT_LOCKED);
if (err)
break;
}
@ -1280,7 +1226,7 @@ int intel_hangcheck_live_selftests(struct drm_i915_private *i915)
err = i915_subtests(tests, i915);
mutex_lock(&i915->drm.struct_mutex);
flush_test(i915, I915_WAIT_LOCKED);
igt_flush_test(i915, I915_WAIT_LOCKED);
mutex_unlock(&i915->drm.struct_mutex);
i915_modparams.enable_hangcheck = saved_hangcheck;

68
drivers/gpu/drm/i915/selftests/intel_lrc.c
View File

@ -5,6 +5,7 @@
*/
#include "../i915_selftest.h"
#include "igt_flush_test.h"
#include "mock_context.h"
@ -168,61 +169,6 @@ static u32 hws_seqno(const struct spinner *spin, const struct i915_request *rq)
return READ_ONCE(*seqno);
}
struct wedge_me {
struct delayed_work work;
struct drm_i915_private *i915;
const void *symbol;
};
static void wedge_me(struct work_struct *work)
{
struct wedge_me *w = container_of(work, typeof(*w), work.work);
pr_err("%pS timed out, cancelling all further testing.\n", w->symbol);
GEM_TRACE("%pS timed out.\n", w->symbol);
GEM_TRACE_DUMP();
i915_gem_set_wedged(w->i915);
}
static void __init_wedge(struct wedge_me *w,
struct drm_i915_private *i915,
long timeout,
const void *symbol)
{
w->i915 = i915;
w->symbol = symbol;
INIT_DELAYED_WORK_ONSTACK(&w->work, wedge_me);
schedule_delayed_work(&w->work, timeout);
}
static void __fini_wedge(struct wedge_me *w)
{
cancel_delayed_work_sync(&w->work);
destroy_delayed_work_on_stack(&w->work);
w->i915 = NULL;
}
#define wedge_on_timeout(W, DEV, TIMEOUT) \
for (__init_wedge((W), (DEV), (TIMEOUT), __builtin_return_address(0)); \
(W)->i915; \
__fini_wedge((W)))
static noinline int
flush_test(struct drm_i915_private *i915, unsigned int flags)
{
struct wedge_me w;
cond_resched();
wedge_on_timeout(&w, i915, HZ)
i915_gem_wait_for_idle(i915, flags);
return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0;
}
static void spinner_end(struct spinner *spin)
{
*spin->batch = MI_BATCH_BUFFER_END;
@ -295,7 +241,7 @@ static int live_sanitycheck(void *arg)
}
spinner_end(&spin);
if (flush_test(i915, I915_WAIT_LOCKED)) {
if (igt_flush_test(i915, I915_WAIT_LOCKED)) {
err = -EIO;
goto err_ctx;
}
@ -307,7 +253,7 @@ err_ctx:
err_spin:
spinner_fini(&spin);
err_unlock:
flush_test(i915, I915_WAIT_LOCKED);
igt_flush_test(i915, I915_WAIT_LOCKED);
mutex_unlock(&i915->drm.struct_mutex);
return err;
}
@ -380,7 +326,7 @@ static int live_preempt(void *arg)
spinner_end(&spin_hi);
spinner_end(&spin_lo);
if (flush_test(i915, I915_WAIT_LOCKED)) {
if (igt_flush_test(i915, I915_WAIT_LOCKED)) {
err = -EIO;
goto err_ctx_lo;
}
@ -396,7 +342,7 @@ err_spin_lo:
err_spin_hi:
spinner_fini(&spin_hi);
err_unlock:
flush_test(i915, I915_WAIT_LOCKED);
igt_flush_test(i915, I915_WAIT_LOCKED);
mutex_unlock(&i915->drm.struct_mutex);
return err;
}
@ -470,7 +416,7 @@ static int live_late_preempt(void *arg)
spinner_end(&spin_hi);
spinner_end(&spin_lo);
if (flush_test(i915, I915_WAIT_LOCKED)) {
if (igt_flush_test(i915, I915_WAIT_LOCKED)) {
err = -EIO;
goto err_ctx_lo;
}
@ -486,7 +432,7 @@ err_spin_lo:
err_spin_hi:
spinner_fini(&spin_hi);
err_unlock:
flush_test(i915, I915_WAIT_LOCKED);
igt_flush_test(i915, I915_WAIT_LOCKED);
mutex_unlock(&i915->drm.struct_mutex);
return err;