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Message-ID: <202103160805.VxpcGAAl-lkp@intel.com>
Date: Tue, 16 Mar 2021 08:12:09 +0800
From: kernel test robot <lkp@...el.com>
To: Chris Wilson <chris@...is-wilson.co.uk>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Mika Kuoppala <mika.kuoppala@...ux.intel.com>
Subject: drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c:233
igt_fill_blt_thread() error: 'ce' dereferencing possible ERR_PTR()
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1e28eed17697bcf343c6743f0028cc3b5dd88bf0
commit: 03c62d886dd6d3dfebf59d385a37245fe667fe90 drm/i915: Make GEM errors non-fatal by default
date: 8 weeks ago
config: x86_64-randconfig-m001-20210316 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
New smatch warnings:
drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c:233 igt_fill_blt_thread() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c:351 igt_copy_blt_thread() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:693 igt_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:834 igt_shared_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/selftests/i915_request.c:216 igt_request_rewind() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/selftests/i915_request.c:351 __igt_breadcrumbs_smoketest() error: 'ce' dereferencing possible ERR_PTR()
Old smatch warnings:
drivers/gpu/drm/i915/gem/i915_gem_object.h:127 __i915_gem_object_lock() error: we previously assumed 'ww' could be null (see line 119)
drivers/gpu/drm/i915/gem/i915_gem_object_blt.c:140 move_obj_to_gpu() warn: maybe use && instead of &
drivers/gpu/drm/i915/gem/i915_gem_context.h:204 i915_gem_context_get_engine() warn: inconsistent indenting
drivers/gpu/drm/i915/gem/i915_gem_context.h:206 i915_gem_context_get_engine() warn: inconsistent indenting
drivers/gpu/drm/i915/gem/i915_gem_context.h:204 i915_gem_context_get_engine() warn: inconsistent indenting
drivers/gpu/drm/i915/gem/i915_gem_context.h:206 i915_gem_context_get_engine() warn: inconsistent indenting
drivers/gpu/drm/i915/gem/i915_gem_object.h:127 __i915_gem_object_lock() error: we previously assumed 'ww' could be null (see line 119)
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:709 igt_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:716 igt_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:729 igt_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:847 igt_shared_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:854 igt_shared_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:867 igt_shared_ctx_exec() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/selftests/i915_request.c:230 igt_request_rewind() error: 'ce' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/gem/i915_gem_context.h:204 i915_gem_context_get_engine() warn: inconsistent indenting
drivers/gpu/drm/i915/gem/i915_gem_context.h:206 i915_gem_context_get_engine() warn: inconsistent indenting
vim +/ce +233 drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
0e99f939f08fc3 Matthew Auld 2019-10-25 202
0e99f939f08fc3 Matthew Auld 2019-10-25 203 static int igt_fill_blt_thread(void *arg)
6501aa4e3a4507 Matthew Auld 2019-05-29 204 {
0e99f939f08fc3 Matthew Auld 2019-10-25 205 struct igt_thread_arg *thread = arg;
d61345f342981f Chris Wilson 2020-06-04 206 struct intel_engine_cs *engine = thread->engine;
0e99f939f08fc3 Matthew Auld 2019-10-25 207 struct rnd_state *prng = &thread->prng;
6501aa4e3a4507 Matthew Auld 2019-05-29 208 struct drm_i915_gem_object *obj;
0e99f939f08fc3 Matthew Auld 2019-10-25 209 struct i915_gem_context *ctx;
0e99f939f08fc3 Matthew Auld 2019-10-25 210 struct intel_context *ce;
0e99f939f08fc3 Matthew Auld 2019-10-25 211 unsigned int prio;
6501aa4e3a4507 Matthew Auld 2019-05-29 212 IGT_TIMEOUT(end);
4746fd5c2c1322 Chris Wilson 2020-02-10 213 u64 total, max;
0e99f939f08fc3 Matthew Auld 2019-10-25 214 int err;
6501aa4e3a4507 Matthew Auld 2019-05-29 215
34485832cb9872 Chris Wilson 2019-11-11 216 ctx = thread->ctx;
34485832cb9872 Chris Wilson 2019-11-11 217 if (!ctx) {
d61345f342981f Chris Wilson 2020-06-04 218 ctx = live_context_for_engine(engine, thread->file);
34485832cb9872 Chris Wilson 2019-11-11 219 if (IS_ERR(ctx))
34485832cb9872 Chris Wilson 2019-11-11 220 return PTR_ERR(ctx);
0e99f939f08fc3 Matthew Auld 2019-10-25 221
0e99f939f08fc3 Matthew Auld 2019-10-25 222 prio = i915_prandom_u32_max_state(I915_PRIORITY_MAX, prng);
0e99f939f08fc3 Matthew Auld 2019-10-25 223 ctx->sched.priority = I915_USER_PRIORITY(prio);
34485832cb9872 Chris Wilson 2019-11-11 224 }
0e99f939f08fc3 Matthew Auld 2019-10-25 225
d61345f342981f Chris Wilson 2020-06-04 226 ce = i915_gem_context_get_engine(ctx, 0);
0e99f939f08fc3 Matthew Auld 2019-10-25 227 GEM_BUG_ON(IS_ERR(ce));
554e330ceb9f00 Matthew Auld 2019-08-10 228
4746fd5c2c1322 Chris Wilson 2020-02-10 229 /*
4746fd5c2c1322 Chris Wilson 2020-02-10 230 * If we have a tiny shared address space, like for the GGTT
4746fd5c2c1322 Chris Wilson 2020-02-10 231 * then we can't be too greedy.
4746fd5c2c1322 Chris Wilson 2020-02-10 232 */
4746fd5c2c1322 Chris Wilson 2020-02-10 @233 max = ce->vm->total;
4746fd5c2c1322 Chris Wilson 2020-02-10 234 if (i915_is_ggtt(ce->vm) || thread->ctx)
4746fd5c2c1322 Chris Wilson 2020-02-10 235 max = div_u64(max, thread->n_cpus);
4746fd5c2c1322 Chris Wilson 2020-02-10 236 max >>= 4;
4746fd5c2c1322 Chris Wilson 2020-02-10 237
4746fd5c2c1322 Chris Wilson 2020-02-10 238 total = PAGE_SIZE;
6501aa4e3a4507 Matthew Auld 2019-05-29 239 do {
4746fd5c2c1322 Chris Wilson 2020-02-10 240 /* Aim to keep the runtime under reasonable bounds! */
4746fd5c2c1322 Chris Wilson 2020-02-10 241 const u32 max_phys_size = SZ_64K;
0e99f939f08fc3 Matthew Auld 2019-10-25 242 u32 val = prandom_u32_state(prng);
0e99f939f08fc3 Matthew Auld 2019-10-25 243 u32 phys_sz;
0e99f939f08fc3 Matthew Auld 2019-10-25 244 u32 sz;
0e99f939f08fc3 Matthew Auld 2019-10-25 245 u32 *vaddr;
6501aa4e3a4507 Matthew Auld 2019-05-29 246 u32 i;
6501aa4e3a4507 Matthew Auld 2019-05-29 247
4746fd5c2c1322 Chris Wilson 2020-02-10 248 total = min(total, max);
4746fd5c2c1322 Chris Wilson 2020-02-10 249 sz = i915_prandom_u32_max_state(total, prng) + 1;
c8b56cd01433af Chris Wilson 2020-02-12 250 phys_sz = sz % max_phys_size + 1;
0e99f939f08fc3 Matthew Auld 2019-10-25 251
6501aa4e3a4507 Matthew Auld 2019-05-29 252 sz = round_up(sz, PAGE_SIZE);
554e330ceb9f00 Matthew Auld 2019-08-10 253 phys_sz = round_up(phys_sz, PAGE_SIZE);
c8b56cd01433af Chris Wilson 2020-02-12 254 phys_sz = min(phys_sz, sz);
6501aa4e3a4507 Matthew Auld 2019-05-29 255
554e330ceb9f00 Matthew Auld 2019-08-10 256 pr_debug("%s with phys_sz= %x, sz=%x, val=%x\n", __func__,
554e330ceb9f00 Matthew Auld 2019-08-10 257 phys_sz, sz, val);
6501aa4e3a4507 Matthew Auld 2019-05-29 258
d61345f342981f Chris Wilson 2020-06-04 259 obj = huge_gem_object(engine->i915, phys_sz, sz);
6501aa4e3a4507 Matthew Auld 2019-05-29 260 if (IS_ERR(obj)) {
fd1e194f4869dc Colin Ian King 2019-05-31 261 err = PTR_ERR(obj);
6501aa4e3a4507 Matthew Auld 2019-05-29 262 goto err_flush;
6501aa4e3a4507 Matthew Auld 2019-05-29 263 }
6501aa4e3a4507 Matthew Auld 2019-05-29 264
6501aa4e3a4507 Matthew Auld 2019-05-29 265 vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
6501aa4e3a4507 Matthew Auld 2019-05-29 266 if (IS_ERR(vaddr)) {
6501aa4e3a4507 Matthew Auld 2019-05-29 267 err = PTR_ERR(vaddr);
6501aa4e3a4507 Matthew Auld 2019-05-29 268 goto err_put;
6501aa4e3a4507 Matthew Auld 2019-05-29 269 }
6501aa4e3a4507 Matthew Auld 2019-05-29 270
6501aa4e3a4507 Matthew Auld 2019-05-29 271 /*
6501aa4e3a4507 Matthew Auld 2019-05-29 272 * Make sure the potentially async clflush does its job, if
6501aa4e3a4507 Matthew Auld 2019-05-29 273 * required.
6501aa4e3a4507 Matthew Auld 2019-05-29 274 */
554e330ceb9f00 Matthew Auld 2019-08-10 275 memset32(vaddr, val ^ 0xdeadbeaf,
554e330ceb9f00 Matthew Auld 2019-08-10 276 huge_gem_object_phys_size(obj) / sizeof(u32));
6501aa4e3a4507 Matthew Auld 2019-05-29 277
6501aa4e3a4507 Matthew Auld 2019-05-29 278 if (!(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE))
6501aa4e3a4507 Matthew Auld 2019-05-29 279 obj->cache_dirty = true;
6501aa4e3a4507 Matthew Auld 2019-05-29 280
6501aa4e3a4507 Matthew Auld 2019-05-29 281 err = i915_gem_object_fill_blt(obj, ce, val);
6501aa4e3a4507 Matthew Auld 2019-05-29 282 if (err)
6501aa4e3a4507 Matthew Auld 2019-05-29 283 goto err_unpin;
6501aa4e3a4507 Matthew Auld 2019-05-29 284
4746fd5c2c1322 Chris Wilson 2020-02-10 285 err = i915_gem_object_wait(obj, 0, MAX_SCHEDULE_TIMEOUT);
6501aa4e3a4507 Matthew Auld 2019-05-29 286 if (err)
6501aa4e3a4507 Matthew Auld 2019-05-29 287 goto err_unpin;
6501aa4e3a4507 Matthew Auld 2019-05-29 288
4746fd5c2c1322 Chris Wilson 2020-02-10 289 for (i = 0; i < huge_gem_object_phys_size(obj) / sizeof(u32); i += 17) {
4746fd5c2c1322 Chris Wilson 2020-02-10 290 if (!(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_READ))
4746fd5c2c1322 Chris Wilson 2020-02-10 291 drm_clflush_virt_range(&vaddr[i], sizeof(vaddr[i]));
4746fd5c2c1322 Chris Wilson 2020-02-10 292
6501aa4e3a4507 Matthew Auld 2019-05-29 293 if (vaddr[i] != val) {
6501aa4e3a4507 Matthew Auld 2019-05-29 294 pr_err("vaddr[%u]=%x, expected=%x\n", i,
6501aa4e3a4507 Matthew Auld 2019-05-29 295 vaddr[i], val);
6501aa4e3a4507 Matthew Auld 2019-05-29 296 err = -EINVAL;
6501aa4e3a4507 Matthew Auld 2019-05-29 297 goto err_unpin;
6501aa4e3a4507 Matthew Auld 2019-05-29 298 }
6501aa4e3a4507 Matthew Auld 2019-05-29 299 }
6501aa4e3a4507 Matthew Auld 2019-05-29 300
6501aa4e3a4507 Matthew Auld 2019-05-29 301 i915_gem_object_unpin_map(obj);
6501aa4e3a4507 Matthew Auld 2019-05-29 302 i915_gem_object_put(obj);
4746fd5c2c1322 Chris Wilson 2020-02-10 303
4746fd5c2c1322 Chris Wilson 2020-02-10 304 total <<= 1;
6501aa4e3a4507 Matthew Auld 2019-05-29 305 } while (!time_after(jiffies, end));
6501aa4e3a4507 Matthew Auld 2019-05-29 306
6501aa4e3a4507 Matthew Auld 2019-05-29 307 goto err_flush;
6501aa4e3a4507 Matthew Auld 2019-05-29 308
6501aa4e3a4507 Matthew Auld 2019-05-29 309 err_unpin:
6501aa4e3a4507 Matthew Auld 2019-05-29 310 i915_gem_object_unpin_map(obj);
6501aa4e3a4507 Matthew Auld 2019-05-29 311 err_put:
6501aa4e3a4507 Matthew Auld 2019-05-29 312 i915_gem_object_put(obj);
6501aa4e3a4507 Matthew Auld 2019-05-29 313 err_flush:
6501aa4e3a4507 Matthew Auld 2019-05-29 314 if (err == -ENOMEM)
6501aa4e3a4507 Matthew Auld 2019-05-29 315 err = 0;
6501aa4e3a4507 Matthew Auld 2019-05-29 316
0e99f939f08fc3 Matthew Auld 2019-10-25 317 intel_context_put(ce);
6501aa4e3a4507 Matthew Auld 2019-05-29 318 return err;
6501aa4e3a4507 Matthew Auld 2019-05-29 319 }
6501aa4e3a4507 Matthew Auld 2019-05-29 320
0e99f939f08fc3 Matthew Auld 2019-10-25 321 static int igt_copy_blt_thread(void *arg)
05f219d709ec57 Matthew Auld 2019-08-10 322 {
0e99f939f08fc3 Matthew Auld 2019-10-25 323 struct igt_thread_arg *thread = arg;
d61345f342981f Chris Wilson 2020-06-04 324 struct intel_engine_cs *engine = thread->engine;
0e99f939f08fc3 Matthew Auld 2019-10-25 325 struct rnd_state *prng = &thread->prng;
05f219d709ec57 Matthew Auld 2019-08-10 326 struct drm_i915_gem_object *src, *dst;
0e99f939f08fc3 Matthew Auld 2019-10-25 327 struct i915_gem_context *ctx;
0e99f939f08fc3 Matthew Auld 2019-10-25 328 struct intel_context *ce;
0e99f939f08fc3 Matthew Auld 2019-10-25 329 unsigned int prio;
05f219d709ec57 Matthew Auld 2019-08-10 330 IGT_TIMEOUT(end);
4746fd5c2c1322 Chris Wilson 2020-02-10 331 u64 total, max;
0e99f939f08fc3 Matthew Auld 2019-10-25 332 int err;
05f219d709ec57 Matthew Auld 2019-08-10 333
34485832cb9872 Chris Wilson 2019-11-11 334 ctx = thread->ctx;
34485832cb9872 Chris Wilson 2019-11-11 335 if (!ctx) {
d61345f342981f Chris Wilson 2020-06-04 336 ctx = live_context_for_engine(engine, thread->file);
34485832cb9872 Chris Wilson 2019-11-11 337 if (IS_ERR(ctx))
34485832cb9872 Chris Wilson 2019-11-11 338 return PTR_ERR(ctx);
0e99f939f08fc3 Matthew Auld 2019-10-25 339
0e99f939f08fc3 Matthew Auld 2019-10-25 340 prio = i915_prandom_u32_max_state(I915_PRIORITY_MAX, prng);
0e99f939f08fc3 Matthew Auld 2019-10-25 341 ctx->sched.priority = I915_USER_PRIORITY(prio);
34485832cb9872 Chris Wilson 2019-11-11 342 }
0e99f939f08fc3 Matthew Auld 2019-10-25 343
d61345f342981f Chris Wilson 2020-06-04 344 ce = i915_gem_context_get_engine(ctx, 0);
0e99f939f08fc3 Matthew Auld 2019-10-25 345 GEM_BUG_ON(IS_ERR(ce));
05f219d709ec57 Matthew Auld 2019-08-10 346
4746fd5c2c1322 Chris Wilson 2020-02-10 347 /*
4746fd5c2c1322 Chris Wilson 2020-02-10 348 * If we have a tiny shared address space, like for the GGTT
4746fd5c2c1322 Chris Wilson 2020-02-10 349 * then we can't be too greedy.
4746fd5c2c1322 Chris Wilson 2020-02-10 350 */
4746fd5c2c1322 Chris Wilson 2020-02-10 @351 max = ce->vm->total;
4746fd5c2c1322 Chris Wilson 2020-02-10 352 if (i915_is_ggtt(ce->vm) || thread->ctx)
4746fd5c2c1322 Chris Wilson 2020-02-10 353 max = div_u64(max, thread->n_cpus);
4746fd5c2c1322 Chris Wilson 2020-02-10 354 max >>= 4;
4746fd5c2c1322 Chris Wilson 2020-02-10 355
4746fd5c2c1322 Chris Wilson 2020-02-10 356 total = PAGE_SIZE;
05f219d709ec57 Matthew Auld 2019-08-10 357 do {
4746fd5c2c1322 Chris Wilson 2020-02-10 358 /* Aim to keep the runtime under reasonable bounds! */
4746fd5c2c1322 Chris Wilson 2020-02-10 359 const u32 max_phys_size = SZ_64K;
0e99f939f08fc3 Matthew Auld 2019-10-25 360 u32 val = prandom_u32_state(prng);
0e99f939f08fc3 Matthew Auld 2019-10-25 361 u32 phys_sz;
0e99f939f08fc3 Matthew Auld 2019-10-25 362 u32 sz;
0e99f939f08fc3 Matthew Auld 2019-10-25 363 u32 *vaddr;
05f219d709ec57 Matthew Auld 2019-08-10 364 u32 i;
05f219d709ec57 Matthew Auld 2019-08-10 365
4746fd5c2c1322 Chris Wilson 2020-02-10 366 total = min(total, max);
4746fd5c2c1322 Chris Wilson 2020-02-10 367 sz = i915_prandom_u32_max_state(total, prng) + 1;
c8b56cd01433af Chris Wilson 2020-02-12 368 phys_sz = sz % max_phys_size + 1;
0e99f939f08fc3 Matthew Auld 2019-10-25 369
05f219d709ec57 Matthew Auld 2019-08-10 370 sz = round_up(sz, PAGE_SIZE);
05f219d709ec57 Matthew Auld 2019-08-10 371 phys_sz = round_up(phys_sz, PAGE_SIZE);
c8b56cd01433af Chris Wilson 2020-02-12 372 phys_sz = min(phys_sz, sz);
05f219d709ec57 Matthew Auld 2019-08-10 373
05f219d709ec57 Matthew Auld 2019-08-10 374 pr_debug("%s with phys_sz= %x, sz=%x, val=%x\n", __func__,
05f219d709ec57 Matthew Auld 2019-08-10 375 phys_sz, sz, val);
05f219d709ec57 Matthew Auld 2019-08-10 376
d61345f342981f Chris Wilson 2020-06-04 377 src = huge_gem_object(engine->i915, phys_sz, sz);
05f219d709ec57 Matthew Auld 2019-08-10 378 if (IS_ERR(src)) {
05f219d709ec57 Matthew Auld 2019-08-10 379 err = PTR_ERR(src);
05f219d709ec57 Matthew Auld 2019-08-10 380 goto err_flush;
05f219d709ec57 Matthew Auld 2019-08-10 381 }
05f219d709ec57 Matthew Auld 2019-08-10 382
05f219d709ec57 Matthew Auld 2019-08-10 383 vaddr = i915_gem_object_pin_map(src, I915_MAP_WB);
05f219d709ec57 Matthew Auld 2019-08-10 384 if (IS_ERR(vaddr)) {
05f219d709ec57 Matthew Auld 2019-08-10 385 err = PTR_ERR(vaddr);
05f219d709ec57 Matthew Auld 2019-08-10 386 goto err_put_src;
05f219d709ec57 Matthew Auld 2019-08-10 387 }
05f219d709ec57 Matthew Auld 2019-08-10 388
05f219d709ec57 Matthew Auld 2019-08-10 389 memset32(vaddr, val,
05f219d709ec57 Matthew Auld 2019-08-10 390 huge_gem_object_phys_size(src) / sizeof(u32));
05f219d709ec57 Matthew Auld 2019-08-10 391
05f219d709ec57 Matthew Auld 2019-08-10 392 i915_gem_object_unpin_map(src);
05f219d709ec57 Matthew Auld 2019-08-10 393
05f219d709ec57 Matthew Auld 2019-08-10 394 if (!(src->cache_coherent & I915_BO_CACHE_COHERENT_FOR_READ))
05f219d709ec57 Matthew Auld 2019-08-10 395 src->cache_dirty = true;
05f219d709ec57 Matthew Auld 2019-08-10 396
d61345f342981f Chris Wilson 2020-06-04 397 dst = huge_gem_object(engine->i915, phys_sz, sz);
05f219d709ec57 Matthew Auld 2019-08-10 398 if (IS_ERR(dst)) {
05f219d709ec57 Matthew Auld 2019-08-10 399 err = PTR_ERR(dst);
05f219d709ec57 Matthew Auld 2019-08-10 400 goto err_put_src;
05f219d709ec57 Matthew Auld 2019-08-10 401 }
05f219d709ec57 Matthew Auld 2019-08-10 402
05f219d709ec57 Matthew Auld 2019-08-10 403 vaddr = i915_gem_object_pin_map(dst, I915_MAP_WB);
05f219d709ec57 Matthew Auld 2019-08-10 404 if (IS_ERR(vaddr)) {
05f219d709ec57 Matthew Auld 2019-08-10 405 err = PTR_ERR(vaddr);
05f219d709ec57 Matthew Auld 2019-08-10 406 goto err_put_dst;
05f219d709ec57 Matthew Auld 2019-08-10 407 }
05f219d709ec57 Matthew Auld 2019-08-10 408
05f219d709ec57 Matthew Auld 2019-08-10 409 memset32(vaddr, val ^ 0xdeadbeaf,
05f219d709ec57 Matthew Auld 2019-08-10 410 huge_gem_object_phys_size(dst) / sizeof(u32));
05f219d709ec57 Matthew Auld 2019-08-10 411
05f219d709ec57 Matthew Auld 2019-08-10 412 if (!(dst->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE))
05f219d709ec57 Matthew Auld 2019-08-10 413 dst->cache_dirty = true;
05f219d709ec57 Matthew Auld 2019-08-10 414
05f219d709ec57 Matthew Auld 2019-08-10 415 err = i915_gem_object_copy_blt(src, dst, ce);
05f219d709ec57 Matthew Auld 2019-08-10 416 if (err)
05f219d709ec57 Matthew Auld 2019-08-10 417 goto err_unpin;
05f219d709ec57 Matthew Auld 2019-08-10 418
4746fd5c2c1322 Chris Wilson 2020-02-10 419 err = i915_gem_object_wait(dst, 0, MAX_SCHEDULE_TIMEOUT);
05f219d709ec57 Matthew Auld 2019-08-10 420 if (err)
05f219d709ec57 Matthew Auld 2019-08-10 421 goto err_unpin;
05f219d709ec57 Matthew Auld 2019-08-10 422
4746fd5c2c1322 Chris Wilson 2020-02-10 423 for (i = 0; i < huge_gem_object_phys_size(dst) / sizeof(u32); i += 17) {
4746fd5c2c1322 Chris Wilson 2020-02-10 424 if (!(dst->cache_coherent & I915_BO_CACHE_COHERENT_FOR_READ))
4746fd5c2c1322 Chris Wilson 2020-02-10 425 drm_clflush_virt_range(&vaddr[i], sizeof(vaddr[i]));
4746fd5c2c1322 Chris Wilson 2020-02-10 426
05f219d709ec57 Matthew Auld 2019-08-10 427 if (vaddr[i] != val) {
05f219d709ec57 Matthew Auld 2019-08-10 428 pr_err("vaddr[%u]=%x, expected=%x\n", i,
05f219d709ec57 Matthew Auld 2019-08-10 429 vaddr[i], val);
05f219d709ec57 Matthew Auld 2019-08-10 430 err = -EINVAL;
05f219d709ec57 Matthew Auld 2019-08-10 431 goto err_unpin;
05f219d709ec57 Matthew Auld 2019-08-10 432 }
05f219d709ec57 Matthew Auld 2019-08-10 433 }
05f219d709ec57 Matthew Auld 2019-08-10 434
05f219d709ec57 Matthew Auld 2019-08-10 435 i915_gem_object_unpin_map(dst);
05f219d709ec57 Matthew Auld 2019-08-10 436
05f219d709ec57 Matthew Auld 2019-08-10 437 i915_gem_object_put(src);
05f219d709ec57 Matthew Auld 2019-08-10 438 i915_gem_object_put(dst);
4746fd5c2c1322 Chris Wilson 2020-02-10 439
4746fd5c2c1322 Chris Wilson 2020-02-10 440 total <<= 1;
05f219d709ec57 Matthew Auld 2019-08-10 441 } while (!time_after(jiffies, end));
05f219d709ec57 Matthew Auld 2019-08-10 442
05f219d709ec57 Matthew Auld 2019-08-10 443 goto err_flush;
05f219d709ec57 Matthew Auld 2019-08-10 444
05f219d709ec57 Matthew Auld 2019-08-10 445 err_unpin:
05f219d709ec57 Matthew Auld 2019-08-10 446 i915_gem_object_unpin_map(dst);
05f219d709ec57 Matthew Auld 2019-08-10 447 err_put_dst:
05f219d709ec57 Matthew Auld 2019-08-10 448 i915_gem_object_put(dst);
05f219d709ec57 Matthew Auld 2019-08-10 449 err_put_src:
05f219d709ec57 Matthew Auld 2019-08-10 450 i915_gem_object_put(src);
05f219d709ec57 Matthew Auld 2019-08-10 451 err_flush:
05f219d709ec57 Matthew Auld 2019-08-10 452 if (err == -ENOMEM)
05f219d709ec57 Matthew Auld 2019-08-10 453 err = 0;
05f219d709ec57 Matthew Auld 2019-08-10 454
0e99f939f08fc3 Matthew Auld 2019-10-25 455 intel_context_put(ce);
05f219d709ec57 Matthew Auld 2019-08-10 456 return err;
05f219d709ec57 Matthew Auld 2019-08-10 457 }
05f219d709ec57 Matthew Auld 2019-08-10 458
:::::: The code at line 233 was first introduced by commit
:::::: 4746fd5c2c132225bdd817ddf04e8454e872f8c2 drm/i915/selftests: Trim blitter block size
:::::: TO: Chris Wilson <chris@...is-wilson.co.uk>
:::::: CC: Chris Wilson <chris@...is-wilson.co.uk>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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