tests: merge gem_*_concurrent_blt together

Too much copy&pasting isn't good.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

tests/.gitignore

@@ -11,7 +11,7 @@ gem_bad_blit
 gem_bad_length
 gem_basic
 gem_caching
-gem_cpu_concurrent_blit
+gem_concurrent_blit
 gem_cpu_reloc
 gem_cs_prefetch
 gem_cs_tlb
@@ -32,7 +32,6 @@ gem_fenced_exec_thrash
 gem_fence_thrash
 gem_flink
 gem_flink_race
-gem_gtt_concurrent_blit
 gem_gtt_cpu_tlb
 gem_gtt_speed
 gem_hang
@@ -49,7 +48,6 @@ gem_pin
 gem_pipe_control_store_loop
 gem_pread
 gem_pread_after_blit
-gem_prw_concurrent_blit
 gem_pwrite
 gem_pwrite_pread
 gem_readwrite

tests/Makefile.am

@@ -18,7 +18,7 @@ endif
 TESTS_progs_M = \
 	gem_basic \
 	gem_caching \
-	gem_cpu_concurrent_blit \
+	gem_concurrent_blit \
 	gem_cs_tlb \
 	gem_ctx_bad_exec \
 	gem_dummy_reloc_loop \
@@ -27,13 +27,11 @@ TESTS_progs_M = \
 	gem_fence_thrash \
 	gem_flink \
 	gem_flink_race \
-	gem_gtt_concurrent_blit \
 	gem_linear_blits \
 	gem_mmap_gtt \
 	gem_partial_pwrite_pread \
 	gem_pread \
 	gem_pread_after_blit \
-	gem_prw_concurrent_blit \
 	gem_pwrite \
 	gem_pwrite_pread \
 	gem_readwrite \

tests/gem_concurrent_blit.c

@@ -27,7 +27,7 @@
  *
  */
 
-/** @file gem_prw_concurrent_blit.c
+/** @file gem_concurrent_blit.c
  *
  * This is a test of pread/pwrite behavior when writing to active
  * buffers.
@@ -52,7 +52,7 @@
 #include "intel_gpu_tools.h"
 
 static void
-set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
+prw_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
 {
 	int size = width * height;
 	uint32_t *vaddr, *tmp;
@@ -65,7 +65,7 @@ set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
 }
 
 static void
-cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
+prw_cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
 {
 	int size = width * height;
 	uint32_t *vaddr, *tmp;
@@ -78,7 +78,7 @@ cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
 }
 
 static drm_intel_bo *
-create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height)
+unmapped_create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height)
 {
 	drm_intel_bo *bo;
 
@@ -88,123 +88,195 @@ create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height)
 	return bo;
 }
 
-int
+static void
-main(int argc, char **argv)
+gtt_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
+{
+	int size = width * height;
+	uint32_t *vaddr;
+
+	drm_intel_gem_bo_start_gtt_access(bo, true);
+	vaddr = bo->virtual;
+	while (size--)
+		*vaddr++ = val;
+}
+
+static void
+gtt_cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
+{
+	int size = width * height;
+	uint32_t *vaddr;
+
+	drm_intel_gem_bo_start_gtt_access(bo, false);
+	vaddr = bo->virtual;
+	while (size--)
+		igt_assert(*vaddr++ == val);
+}
+
+static drm_intel_bo *
+gtt_create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height)
+{
+	drm_intel_bo *bo;
+
+	bo = drm_intel_bo_alloc(bufmgr, "bo", 4*width*height, 0);
+	igt_assert(bo);
+
+	/* gtt map doesn't have a write parameter, so just keep the mapping
+	 * around (to avoid the set_domain with the gtt write domain set) and
+	 * manually tell the kernel when we start access the gtt. */
+	do_or_die(drm_intel_gem_bo_map_gtt(bo));
+
+	return bo;
+}
+
+static void
+cpu_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
+{
+	int size = width * height;
+	uint32_t *vaddr;
+
+	do_or_die(drm_intel_bo_map(bo, true));
+	vaddr = bo->virtual;
+	while (size--)
+		*vaddr++ = val;
+	drm_intel_bo_unmap(bo);
+}
+
+static void
+cpu_cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
+{
+	int size = width * height;
+	uint32_t *vaddr;
+
+	do_or_die(drm_intel_bo_map(bo, false));
+	vaddr = bo->virtual;
+	while (size--)
+		igt_assert(*vaddr++ == val);
+	drm_intel_bo_unmap(bo);
+}
+
+struct access_mode {
+	void (*set_bo)(drm_intel_bo *bo, uint32_t val, int w, int h);
+	void (*cmp_bo)(drm_intel_bo *bo, uint32_t val, int w, int h);
+	drm_intel_bo *(*create_bo)(drm_intel_bufmgr *bufmgr,
+				   uint32_t val, int width, int height);
+	const char *name;
+};
+
+struct access_mode access_modes[] = {
+	{ .set_bo = prw_set_bo, .cmp_bo = prw_cmp_bo,
+		.create_bo = unmapped_create_bo, .name = "prw" },
+	{ .set_bo = cpu_set_bo, .cmp_bo = cpu_cmp_bo,
+		.create_bo = unmapped_create_bo, .name = "cpu" },
+	{ .set_bo = gtt_set_bo, .cmp_bo = gtt_cmp_bo,
+		.create_bo = gtt_create_bo, .name = "gtt" },
+};
+
+int num_buffers = 128, fd;
+drm_intel_bufmgr *bufmgr;
+struct intel_batchbuffer *batch;
+
+static void
+run_modes(struct access_mode *mode)
 {
-	drm_intel_bufmgr *bufmgr;
-	struct intel_batchbuffer *batch;
-	int num_buffers = 128, max;
-	drm_intel_bo *src[128], *dst[128], *dummy = NULL;
 	int width = 512, height = 512;
-	int fd, loop, i, nc;
+	int loop, i, nc;
 	pid_t children[16];
 
-	igt_subtest_init(argc, argv);
+	drm_intel_bo *src[128], *dst[128], *dummy = NULL;
-	igt_skip_on_simulation();
-
-	fd = drm_open_any();
-
-	max = gem_aperture_size (fd) / (1024 * 1024) / 2;
-	if (num_buffers > max)
-		num_buffers = max;
-
-	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-	drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-	batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
 
 	if (!igt_only_list_subtests()) {
 		for (i = 0; i < num_buffers; i++) {
-			src[i] = create_bo(bufmgr, i, width, height);
+			src[i] = mode->create_bo(bufmgr, i, width, height);
-			dst[i] = create_bo(bufmgr, ~i, width, height);
+			dst[i] = mode->create_bo(bufmgr, ~i, width, height);
 		}
-		dummy = create_bo(bufmgr, 0, width, height);
+		dummy = mode->create_bo(bufmgr, 0, width, height);
 	}
 
 	/* try to overwrite the source values */
-	igt_subtest("overwrite-source") {
+	igt_subtest_f("%s-overwrite-source", mode->name) {
 		for (i = 0; i < num_buffers; i++) {
-			set_bo(src[i], i, width, height);
+			mode->set_bo(src[i], i, width, height);
-			set_bo(dst[i], i, width, height);
+			mode->set_bo(dst[i], i, width, height);
 		}
 		for (i = 0; i < num_buffers; i++)
 			intel_copy_bo(batch, dst[i], src[i], width, height);
 		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xdeadbeef, width, height);
+			mode->set_bo(src[i], 0xdeadbeef, width, height);
 		for (i = 0; i < num_buffers; i++)
-			cmp_bo(dst[i], i, width, height);
+			mode->cmp_bo(dst[i], i, width, height);
 	}
 
 	/* try to read the results before the copy completes */
-	igt_subtest("early-read") {
+	igt_subtest_f("%s-early-read", mode->name) {
 		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xdeadbeef, width, height);
+			mode->set_bo(src[i], 0xdeadbeef, width, height);
 		for (i = 0; i < num_buffers; i++)
 			intel_copy_bo(batch, dst[i], src[i], width, height);
 		for (i = num_buffers; i--; )
-			cmp_bo(dst[i], 0xdeadbeef, width, height);
+			mode->cmp_bo(dst[i], 0xdeadbeef, width, height);
 	}
 
 	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write") {
+	igt_subtest_f("%s-gpu-read-after-write", mode->name) {
 		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xabcdabcd, width, height);
+			mode->set_bo(src[i], 0xabcdabcd, width, height);
 		for (i = 0; i < num_buffers; i++)
 			intel_copy_bo(batch, dst[i], src[i], width, height);
 		for (i = num_buffers; i--; )
 			intel_copy_bo(batch, dummy, dst[i], width, height);
 		for (i = num_buffers; i--; )
-			cmp_bo(dst[i], 0xabcdabcd, width, height);
+			mode->cmp_bo(dst[i], 0xabcdabcd, width, height);
 	}
 
 	igt_fork_signal_helper();
 
 	/* try to read the results before the copy completes */
-	igt_subtest("overwrite-source-interruptible") {
+	igt_subtest_f("%s-overwrite-source-interruptible", mode->name) {
 		for (loop = 0; loop < 10; loop++) {
 			gem_quiescent_gpu(fd);
 			for (i = 0; i < num_buffers; i++) {
-				set_bo(src[i], i, width, height);
+				mode->set_bo(src[i], i, width, height);
-				set_bo(dst[i], i, width, height);
+				mode->set_bo(dst[i], i, width, height);
 			}
 			for (i = 0; i < num_buffers; i++)
 				intel_copy_bo(batch, dst[i], src[i], width, height);
 			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xdeadbeef, width, height);
+				mode->set_bo(src[i], 0xdeadbeef, width, height);
 			for (i = 0; i < num_buffers; i++)
-				cmp_bo(dst[i], i, width, height);
+				mode->cmp_bo(dst[i], i, width, height);
 		}
 	}
 
 	/* try to read the results before the copy completes */
-	igt_subtest("early-read-interruptible") {
+	igt_subtest_f("%s-early-read-interruptible", mode->name) {
 		for (loop = 0; loop < 10; loop++) {
 			gem_quiescent_gpu(fd);
 			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xdeadbeef, width, height);
+				mode->set_bo(src[i], 0xdeadbeef, width, height);
 			for (i = 0; i < num_buffers; i++)
 				intel_copy_bo(batch, dst[i], src[i], width, height);
 			for (i = num_buffers; i--; )
-				cmp_bo(dst[i], 0xdeadbeef, width, height);
+				mode->cmp_bo(dst[i], 0xdeadbeef, width, height);
 		}
 	}
 
 	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write-interruptible") {
+	igt_subtest_f("%s-gpu-read-after-write-interruptible", mode->name) {
 		for (loop = 0; loop < 10; loop++) {
 			gem_quiescent_gpu(fd);
 			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xabcdabcd, width, height);
+				mode->set_bo(src[i], 0xabcdabcd, width, height);
 			for (i = 0; i < num_buffers; i++)
 				intel_copy_bo(batch, dst[i], src[i], width, height);
 			for (i = num_buffers; i--; )
 				intel_copy_bo(batch, dummy, dst[i], width, height);
 			for (i = num_buffers; i--; )
-				cmp_bo(dst[i], 0xabcdabcd, width, height);
+				mode->cmp_bo(dst[i], 0xabcdabcd, width, height);
 		}
 	}
 
 	/* try to read the results before the copy completes */
-	igt_subtest("overwrite-source-forked") {
+	igt_subtest_f("%s-overwrite-source-forked", mode->name) {
 		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
 			switch ((children[nc] = fork())) {
 			case -1: igt_assert(0);
@@ -215,21 +287,21 @@ main(int argc, char **argv)
 				 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
 				 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
 				 for (i = 0; i < num_buffers; i++) {
-					 src[i] = create_bo(bufmgr, i, width, height);
+					 src[i] = mode->create_bo(bufmgr, i, width, height);
-					 dst[i] = create_bo(bufmgr, ~i, width, height);
+					 dst[i] = mode->create_bo(bufmgr, ~i, width, height);
 				 }
 				 for (loop = 0; loop < 10; loop++) {
 					 gem_quiescent_gpu(fd);
 					 for (i = 0; i < num_buffers; i++) {
-						 set_bo(src[i], i, width, height);
+						 mode->set_bo(src[i], i, width, height);
-						 set_bo(dst[i], i, width, height);
+						 mode->set_bo(dst[i], i, width, height);
 					 }
 					 for (i = 0; i < num_buffers; i++)
 						 intel_copy_bo(batch, dst[i], src[i], width, height);
 					 for (i = num_buffers; i--; )
-						 set_bo(src[i], 0xdeadbeef, width, height);
+						 mode->set_bo(src[i], 0xdeadbeef, width, height);
 					 for (i = 0; i < num_buffers; i++)
-						 cmp_bo(dst[i], i, width, height);
+						 mode->cmp_bo(dst[i], i, width, height);
 				 }
 				 exit(0);
 			}
@@ -244,7 +316,7 @@ main(int argc, char **argv)
 	}
 
 	/* try to read the results before the copy completes */
-	igt_subtest("early-read-forked") {
+	igt_subtest_f("%s-early-read-forked", mode->name) {
 		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
 			switch ((children[nc] = fork())) {
 			case -1: igt_assert(0);
@@ -255,17 +327,17 @@ main(int argc, char **argv)
 				 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
 				 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
 				 for (i = 0; i < num_buffers; i++) {
-					 src[i] = create_bo(bufmgr, i, width, height);
+					 src[i] = mode->create_bo(bufmgr, i, width, height);
-					 dst[i] = create_bo(bufmgr, ~i, width, height);
+					 dst[i] = mode->create_bo(bufmgr, ~i, width, height);
 				 }
 				 for (loop = 0; loop < 10; loop++) {
 					 gem_quiescent_gpu(fd);
 					 for (i = num_buffers; i--; )
-						 set_bo(src[i], 0xdeadbeef, width, height);
+						 mode->set_bo(src[i], 0xdeadbeef, width, height);
 					 for (i = 0; i < num_buffers; i++)
 						 intel_copy_bo(batch, dst[i], src[i], width, height);
 					 for (i = num_buffers; i--; )
-						 cmp_bo(dst[i], 0xdeadbeef, width, height);
+						 mode->cmp_bo(dst[i], 0xdeadbeef, width, height);
 				 }
 				 exit(0);
 			}
@@ -280,7 +352,7 @@ main(int argc, char **argv)
 	}
 
 	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write-forked") {
+	igt_subtest_f("%s-gpu-read-after-write-forked", mode->name) {
 		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
 			switch ((children[nc] = fork())) {
 			case -1: igt_assert(0);
@@ -291,20 +363,20 @@ main(int argc, char **argv)
 				 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
 				 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
 				 for (i = 0; i < num_buffers; i++) {
-					 src[i] = create_bo(bufmgr, i, width, height);
+					 src[i] = mode->create_bo(bufmgr, i, width, height);
-					 dst[i] = create_bo(bufmgr, ~i, width, height);
+					 dst[i] = mode->create_bo(bufmgr, ~i, width, height);
 				 }
-				 dummy = create_bo(bufmgr, 0, width, height);
+				 dummy = mode->create_bo(bufmgr, 0, width, height);
 				 for (loop = 0; loop < 10; loop++) {
 					 gem_quiescent_gpu(fd);
 					 for (i = num_buffers; i--; )
-						 set_bo(src[i], 0xabcdabcd, width, height);
+						 mode->set_bo(src[i], 0xabcdabcd, width, height);
 					 for (i = 0; i < num_buffers; i++)
 						 intel_copy_bo(batch, dst[i], src[i], width, height);
 					 for (i = num_buffers; i--; )
 						 intel_copy_bo(batch, dummy, dst[i], width, height);
 					 for (i = num_buffers; i--; )
-						 cmp_bo(dst[i], 0xabcdabcd, width, height);
+						 mode->cmp_bo(dst[i], 0xabcdabcd, width, height);
 				 }
 				 exit(0);
 			}
@@ -320,5 +392,35 @@ main(int argc, char **argv)
 
 	igt_stop_signal_helper();
 
+	if (!igt_only_list_subtests()) {
+		for (i = 0; i < num_buffers; i++) {
+			drm_intel_bo_unreference(src[i]);
+			drm_intel_bo_unreference(dst[i]);
+		}
+		drm_intel_bo_unreference(dummy);
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+	int max, i;
+
+	igt_subtest_init(argc, argv);
+	igt_skip_on_simulation();
+
+	fd = drm_open_any();
+
+	max = gem_aperture_size (fd) / (1024 * 1024) / 2;
+	if (num_buffers > max)
+		num_buffers = max;
+
+	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
+	drm_intel_bufmgr_gem_enable_reuse(bufmgr);
+	batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
+
+	for (i = 0; i < ARRAY_SIZE(access_modes); i++)
+		run_modes(&access_modes[i]);
+
 	return 0;
 }

tests/gem_cpu_concurrent_blit.c

@@ -1,321 +0,0 @@
-/*
- * Copyright © 2009,2012 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *    Chris Wilson <chris@chris-wilson.co.uk>
- *
- */
-
-/** @file gem_cpu_concurrent_blit.c
- *
- * This is a test of CPU read/write behavior when writing to active
- * buffers.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include "drm.h"
-#include "i915_drm.h"
-#include "drmtest.h"
-#include "intel_bufmgr.h"
-#include "intel_batchbuffer.h"
-#include "intel_gpu_tools.h"
-
-static void
-set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
-{
-	int size = width * height;
-	uint32_t *vaddr;
-
-	do_or_die(drm_intel_bo_map(bo, true));
-	vaddr = bo->virtual;
-	while (size--)
-		*vaddr++ = val;
-	drm_intel_bo_unmap(bo);
-}
-
-static void
-cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
-{
-	int size = width * height;
-	uint32_t *vaddr;
-
-	do_or_die(drm_intel_bo_map(bo, false));
-	vaddr = bo->virtual;
-	while (size--)
-		igt_assert(*vaddr++ == val);
-	drm_intel_bo_unmap(bo);
-}
-
-static drm_intel_bo *
-create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height)
-{
-	drm_intel_bo *bo;
-
-	bo = drm_intel_bo_alloc(bufmgr, "bo", 4*width*height, 0);
-	igt_assert(bo);
-
-	return bo;
-}
-
-int
-main(int argc, char **argv)
-{
-	drm_intel_bufmgr *bufmgr;
-	struct intel_batchbuffer *batch;
-	int num_buffers = 128, max;
-	drm_intel_bo *src[128], *dst[128], *dummy = NULL;
-	int width = 512, height = 512;
-	int i, loop, fd, nc;
-	pid_t children[16];
-
-	igt_subtest_init(argc, argv);
-	igt_skip_on_simulation();
-
-	fd = drm_open_any();
-
-	max = gem_aperture_size (fd) / (1024 * 1024) / 2;
-	if (num_buffers > max)
-		num_buffers = max;
-
-	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-	drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-	batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
-
-	if (!igt_only_list_subtests()) {
-		for (i = 0; i < num_buffers; i++) {
-			src[i] = create_bo(bufmgr, i, width, height);
-			dst[i] = create_bo(bufmgr, ~i, width, height);
-		}
-		dummy = create_bo(bufmgr, 0, width, height);
-	}
-
-	/* try to overwrite the source values */
-	igt_subtest("overwrite-source") {
-		for (i = 0; i < num_buffers; i++) {
-			set_bo(src[i], i, width, height);
-			set_bo(dst[i], i, width, height);
-		}
-		for (i = 0; i < num_buffers; i++)
-			intel_copy_bo(batch, dst[i], src[i], width, height);
-		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xdeadbeef, width, height);
-		for (i = 0; i < num_buffers; i++)
-			cmp_bo(dst[i], i, width, height);
-	}
-
-	/* try to read the results before the copy completes */
-	igt_subtest("early-read") {
-		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xdeadbeef, width, height);
-		for (i = 0; i < num_buffers; i++)
-			intel_copy_bo(batch, dst[i], src[i], width, height);
-		for (i = num_buffers; i--; )
-			cmp_bo(dst[i], 0xdeadbeef, width, height);
-	}
-
-	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write") {
-		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xabcdabcd, width, height);
-		for (i = 0; i < num_buffers; i++)
-			intel_copy_bo(batch, dst[i], src[i], width, height);
-		for (i = num_buffers; i--; )
-			intel_copy_bo(batch, dummy, dst[i], width, height);
-		for (i = num_buffers; i--; )
-			cmp_bo(dst[i], 0xabcdabcd, width, height);
-	}
-
-	igt_fork_signal_helper();
-
-	/* try to overwrite the source values */
-	igt_subtest("overwrite-source-interruptible") {
-		for (loop = 0; loop < 10; loop++) {
-			gem_quiescent_gpu(fd);
-			for (i = 0; i < num_buffers; i++) {
-				set_bo(src[i], i, width, height);
-				set_bo(dst[i], i, width, height);
-			}
-			for (i = 0; i < num_buffers; i++)
-				intel_copy_bo(batch, dst[i], src[i], width, height);
-			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xdeadbeef, width, height);
-			for (i = 0; i < num_buffers; i++)
-				cmp_bo(dst[i], i, width, height);
-		}
-	}
-
-	/* try to read the results before the copy completes */
-	igt_subtest("early-read-interruptible") {
-		for (loop = 0; loop < 10; loop++) {
-			gem_quiescent_gpu(fd);
-			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xdeadbeef, width, height);
-			for (i = 0; i < num_buffers; i++)
-				intel_copy_bo(batch, dst[i], src[i], width, height);
-			for (i = num_buffers; i--; )
-				cmp_bo(dst[i], 0xdeadbeef, width, height);
-		}
-	}
-
-	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write-interruptible") {
-		for (loop = 0; loop < 10; loop++) {
-			gem_quiescent_gpu(fd);
-			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xabcdabcd, width, height);
-			for (i = 0; i < num_buffers; i++)
-				intel_copy_bo(batch, dst[i], src[i], width, height);
-			for (i = num_buffers; i--; )
-				intel_copy_bo(batch, dummy, dst[i], width, height);
-			for (i = num_buffers; i--; )
-				cmp_bo(dst[i], 0xabcdabcd, width, height);
-		}
-	}
-
-	/* try to overwrite the source values */
-	igt_subtest("overwrite-source-forked") {
-		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
-			switch ((children[nc] = fork())) {
-			case -1: igt_assert(0);
-			default: break;
-			case 0:
-				 /* recreate process local variables */
-				 bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-				 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-				 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
-				 for (i = 0; i < num_buffers; i++) {
-					 src[i] = create_bo(bufmgr, i, width, height);
-					 dst[i] = create_bo(bufmgr, ~i, width, height);
-				 }
-				 for (loop = 0; loop < 10; loop++) {
-					 gem_quiescent_gpu(fd);
-					 for (i = 0; i < num_buffers; i++) {
-						 set_bo(src[i], i, width, height);
-						 set_bo(dst[i], i, width, height);
-					 }
-					 for (i = 0; i < num_buffers; i++)
-						 intel_copy_bo(batch, dst[i], src[i], width, height);
-					 for (i = num_buffers; i--; )
-						 set_bo(src[i], 0xdeadbeef, width, height);
-					 for (i = 0; i < num_buffers; i++)
-						 cmp_bo(dst[i], i, width, height);
-				 }
-				 exit(0);
-			}
-		}
-		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
-			int status = -1;
-			while (waitpid(children[nc], &status, 0) == -1 &&
-			       errno == -EINTR)
-				;
-			igt_assert(status == 0);
-		}
-	}
-
-	/* try to read the results before the copy completes */
-	igt_subtest("early-read-forked") {
-		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
-			switch ((children[nc] = fork())) {
-			case -1: igt_assert(0);
-			default: break;
-			case 0:
-				 /* recreate process local variables */
-				 bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-				 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-				 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
-				 for (i = 0; i < num_buffers; i++) {
-					 src[i] = create_bo(bufmgr, i, width, height);
-					 dst[i] = create_bo(bufmgr, ~i, width, height);
-				 }
-				 for (loop = 0; loop < 10; loop++) {
-					 gem_quiescent_gpu(fd);
-					 for (i = num_buffers; i--; )
-						 set_bo(src[i], 0xdeadbeef, width, height);
-					 for (i = 0; i < num_buffers; i++)
-						 intel_copy_bo(batch, dst[i], src[i], width, height);
-					 for (i = num_buffers; i--; )
-						 cmp_bo(dst[i], 0xdeadbeef, width, height);
-				 }
-				 exit(0);
-			}
-		}
-		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
-			int status = -1;
-			while (waitpid(children[nc], &status, 0) == -1 &&
-			       errno == -EINTR)
-				;
-			igt_assert(status == 0);
-		}
-	}
-
-	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write-forked") {
-		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
-			switch ((children[nc] = fork())) {
-			case -1: igt_assert(0);
-			default: break;
-			case 0:
-				 /* recreate process local variables */
-				 bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-				 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-				 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
-				 for (i = 0; i < num_buffers; i++) {
-					 src[i] = create_bo(bufmgr, i, width, height);
-					 dst[i] = create_bo(bufmgr, ~i, width, height);
-				 }
-				 dummy = create_bo(bufmgr, 0, width, height);
-				 for (loop = 0; loop < 10; loop++) {
-					 gem_quiescent_gpu(fd);
-					 for (i = num_buffers; i--; )
-						 set_bo(src[i], 0xabcdabcd, width, height);
-					 for (i = 0; i < num_buffers; i++)
-						 intel_copy_bo(batch, dst[i], src[i], width, height);
-					 for (i = num_buffers; i--; )
-						 intel_copy_bo(batch, dummy, dst[i], width, height);
-					 for (i = num_buffers; i--; )
-						 cmp_bo(dst[i], 0xabcdabcd, width, height);
-				 }
-				 exit(0);
-			}
-		}
-		for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
-			int status = -1;
-			while (waitpid(children[nc], &status, 0) == -1 &&
-			       errno == -EINTR)
-				;
-			igt_assert(status == 0);
-		}
-	}
-
-	igt_stop_signal_helper();
-
-	return 0;
-}

tests/gem_gtt_concurrent_blit.c

@@ -1,207 +0,0 @@
-/*
- * Copyright © 2009,2012 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *    Chris Wilson <chris@chris-wilson.co.uk>
- *
- */
-
-/** @file gem_cpu_concurrent_blit.c
- *
- * This is a test of GTT mmap read/write behavior when writing to active
- * buffers.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include "drm.h"
-#include "i915_drm.h"
-#include "drmtest.h"
-#include "intel_bufmgr.h"
-#include "intel_batchbuffer.h"
-#include "intel_gpu_tools.h"
-
-static void
-set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
-{
-	int size = width * height;
-	uint32_t *vaddr;
-
-	drm_intel_gem_bo_start_gtt_access(bo, true);
-	vaddr = bo->virtual;
-	while (size--)
-		*vaddr++ = val;
-}
-
-static void
-cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
-{
-	int size = width * height;
-	uint32_t *vaddr;
-
-	drm_intel_gem_bo_start_gtt_access(bo, false);
-	vaddr = bo->virtual;
-	while (size--)
-		igt_assert(*vaddr++ == val);
-}
-
-static drm_intel_bo *
-create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height)
-{
-	drm_intel_bo *bo;
-
-	bo = drm_intel_bo_alloc(bufmgr, "bo", 4*width*height, 0);
-	igt_assert(bo);
-
-	/* gtt map doesn't have a write parameter, so just keep the mapping
-	 * around (to avoid the set_domain with the gtt write domain set) and
-	 * manually tell the kernel when we start access the gtt. */
-	do_or_die(drm_intel_gem_bo_map_gtt(bo));
-
-	return bo;
-}
-
-int
-main(int argc, char **argv)
-{
-	drm_intel_bufmgr *bufmgr;
-	struct intel_batchbuffer *batch;
-	int num_buffers = 128, max;
-	drm_intel_bo *src[128], *dst[128], *dummy = NULL;
-	int width = 512, height = 512;
-	int fd, loop, i;
-
-	igt_subtest_init(argc, argv);
-	igt_skip_on_simulation();
-
-	fd = drm_open_any();
-
-	max = gem_aperture_size (fd) / (1024 * 1024) / 2;
-	if (num_buffers > max)
-		num_buffers = max;
-
-	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-	drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-	batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
-
-	if (!igt_only_list_subtests()) {
-		for (i = 0; i < num_buffers; i++) {
-			src[i] = create_bo(bufmgr, i, width, height);
-			dst[i] = create_bo(bufmgr, ~i, width, height);
-		}
-		dummy = create_bo(bufmgr, 0, width, height);
-	}
-
-	/* try to overwrite the source values */
-	igt_subtest("overwrite-source") {
-		for (i = 0; i < num_buffers; i++) {
-			set_bo(src[i], i, width, height);
-			set_bo(dst[i], i, width, height);
-		}
-		for (i = 0; i < num_buffers; i++)
-			intel_copy_bo(batch, dst[i], src[i], width, height);
-		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xdeadbeef, width, height);
-		for (i = 0; i < num_buffers; i++)
-			cmp_bo(dst[i], i, width, height);
-	}
-
-	/* try to read the results before the copy completes */
-	igt_subtest("early-read") {
-		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xdeadbeef, width, height);
-		for (i = 0; i < num_buffers; i++)
-			intel_copy_bo(batch, dst[i], src[i], width, height);
-		for (i = num_buffers; i--; )
-			cmp_bo(dst[i], 0xdeadbeef, width, height);
-	}
-
-	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write") {
-		for (i = num_buffers; i--; )
-			set_bo(src[i], 0xabcdabcd, width, height);
-		for (i = 0; i < num_buffers; i++)
-			intel_copy_bo(batch, dst[i], src[i], width, height);
-		for (i = num_buffers; i--; )
-			intel_copy_bo(batch, dummy, dst[i], width, height);
-		for (i = num_buffers; i--; )
-			cmp_bo(dst[i], 0xabcdabcd, width, height);
-	}
-
-	igt_fork_signal_helper();
-
-	/* try to read the results before the copy completes */
-	igt_subtest("overwrite-source-interruptible") {
-		for (loop = 0; loop < 10; loop++) {
-			gem_quiescent_gpu(fd);
-			for (i = 0; i < num_buffers; i++) {
-				set_bo(src[i], i, width, height);
-				set_bo(dst[i], i, width, height);
-			}
-			for (i = 0; i < num_buffers; i++)
-				intel_copy_bo(batch, dst[i], src[i], width, height);
-			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xdeadbeef, width, height);
-			for (i = 0; i < num_buffers; i++)
-				cmp_bo(dst[i], i, width, height);
-		}
-	}
-
-	/* try to read the results before the copy completes */
-	igt_subtest("early-read-interruptible") {
-		for (loop = 0; loop < 10; loop++) {
-			gem_quiescent_gpu(fd);
-			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xdeadbeef, width, height);
-			for (i = 0; i < num_buffers; i++)
-				intel_copy_bo(batch, dst[i], src[i], width, height);
-			for (i = num_buffers; i--; )
-				cmp_bo(dst[i], 0xdeadbeef, width, height);
-		}
-	}
-
-	/* and finally try to trick the kernel into loosing the pending write */
-	igt_subtest("gpu-read-after-write-interruptible") {
-		for (loop = 0; loop < 10; loop++) {
-			gem_quiescent_gpu(fd);
-			for (i = num_buffers; i--; )
-				set_bo(src[i], 0xabcdabcd, width, height);
-			for (i = 0; i < num_buffers; i++)
-				intel_copy_bo(batch, dst[i], src[i], width, height);
-			for (i = num_buffers; i--; )
-				intel_copy_bo(batch, dummy, dst[i], width, height);
-			for (i = num_buffers; i--; )
-				cmp_bo(dst[i], 0xabcdabcd, width, height);
-		}
-	}
-
-	igt_stop_signal_helper();
-
-	return 0;
-}