| /* |
| * Copyright © 2011 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: |
| * Daniel Vetter <daniel.vetter@ffwll.ch> |
| * |
| */ |
| |
| #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" |
| |
| /* |
| * Testcase: Provoke the hangcheck timer on an otherwise idle system |
| * |
| * This tries to hit forcewake locking bugs when the hangcheck runs. Somehow we |
| * often luck out and the hangcheck runs while someone else is already holding |
| * the dev->struct_mutex. |
| * |
| * It's imperative that nothing else runs while this test runs, i.e. kill your X |
| * session, please. |
| */ |
| |
| static drm_intel_bufmgr *bufmgr; |
| struct intel_batchbuffer *batch; |
| |
| uint32_t blob[2048*2048]; |
| |
| #define MAX_BLT_SIZE 128 |
| int main(int argc, char **argv) |
| { |
| drm_intel_bo *bo = NULL; |
| uint32_t tiling_mode = I915_TILING_X; |
| unsigned long pitch, act_size; |
| int fd, i, devid; |
| |
| igt_skip_on_simulation(); |
| |
| memset(blob, 'A', sizeof(blob)); |
| |
| fd = drm_open_any(); |
| |
| bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); |
| drm_intel_bufmgr_gem_enable_reuse(bufmgr); |
| devid = intel_get_drm_devid(fd); |
| batch = intel_batchbuffer_alloc(bufmgr, devid); |
| |
| act_size = 2048; |
| printf("filling ring\n"); |
| drm_intel_bo_unreference(bo); |
| bo = drm_intel_bo_alloc_tiled(bufmgr, "tiled bo", act_size, act_size, |
| 4, &tiling_mode, &pitch, 0); |
| |
| drm_intel_bo_subdata(bo, 0, act_size*act_size*4, blob); |
| |
| if (IS_965(devid)) |
| pitch /= 4; |
| |
| for (i = 0; i < 10000; i++) { |
| BEGIN_BATCH(8); |
| OUT_BATCH(XY_SRC_COPY_BLT_CMD | |
| XY_SRC_COPY_BLT_WRITE_ALPHA | |
| XY_SRC_COPY_BLT_WRITE_RGB | |
| XY_SRC_COPY_BLT_SRC_TILED | |
| XY_SRC_COPY_BLT_DST_TILED); |
| OUT_BATCH((3 << 24) | /* 32 bits */ |
| (0xcc << 16) | /* copy ROP */ |
| pitch); |
| OUT_BATCH(0 << 16 | 1024); |
| OUT_BATCH((2048) << 16 | (2048)); |
| OUT_RELOC_FENCED(bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0); |
| OUT_BATCH(0 << 16 | 0); |
| OUT_BATCH(pitch); |
| OUT_RELOC_FENCED(bo, I915_GEM_DOMAIN_RENDER, 0, 0); |
| ADVANCE_BATCH(); |
| |
| if (IS_GEN6(devid) || IS_GEN7(devid)) { |
| BEGIN_BATCH(3); |
| OUT_BATCH(XY_SETUP_CLIP_BLT_CMD); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| ADVANCE_BATCH(); |
| } |
| } |
| |
| printf("waiting\n"); |
| sleep(10); |
| |
| printf("done waiting, check dmesg\n"); |
| drm_intel_bo_unreference(bo); |
| |
| intel_batchbuffer_free(batch); |
| drm_intel_bufmgr_destroy(bufmgr); |
| |
| close(fd); |
| |
| return 0; |
| } |