diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-09-12 20:45:06 +0200 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-09-12 20:45:49 +0200 |
commit | b8245e18fe6a80e55aa0ece17d6b3a0cf3b1182c (patch) | |
tree | b42eb1ba8278440ad8b9540d9d3b05ef3d236ef5 /tests/gem_double_irq_loop.c | |
parent | fbf8950f6e04e5e000f1f099d75536d8e4fe0cad (diff) |
tests: add basic test for missed irqs
Didn't catch any known bug, but can't hurt.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tests/gem_double_irq_loop.c')
-rw-r--r-- | tests/gem_double_irq_loop.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tests/gem_double_irq_loop.c b/tests/gem_double_irq_loop.c new file mode 100644 index 00000000..e1be24f0 --- /dev/null +++ b/tests/gem_double_irq_loop.c @@ -0,0 +1,148 @@ +/* + * 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> (based on gem_storedw_*.c) + * + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.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" +#include "i830_reg.h" + +static drm_intel_bufmgr *bufmgr; +struct intel_batchbuffer *batch; +static drm_intel_bo *target_buffer, *blt_bo; + +/* + * Testcase: Basic check for missed irqs on blt + * + * Execs one large and then immediately a tiny batch on the blt ring. Then waits + * on the second batch. This hopefully catches races in our irq acknowledgement. + */ + + +#define MI_COND_BATCH_BUFFER_END (0x36<<23 | 1) +#define MI_DO_COMPARE (1<<21) +static void +dummy_reloc_loop(void) +{ + int i, j; + + for (i = 0; i < 0x800; i++) { + BEGIN_BATCH(8); + OUT_BATCH(XY_SRC_COPY_BLT_CMD | + XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + OUT_BATCH((3 << 24) | /* 32 bits */ + (0xcc << 16) | /* copy ROP */ + 4*4096); + OUT_BATCH(2048 << 16 | 0); + OUT_BATCH((4096) << 16 | (2048)); + OUT_RELOC_FENCED(blt_bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0); + OUT_BATCH(0 << 16 | 0); + OUT_BATCH(4*4096); + OUT_RELOC_FENCED(blt_bo, I915_GEM_DOMAIN_RENDER, 0, 0); + ADVANCE_BATCH(); + intel_batchbuffer_flush(batch); + + BEGIN_BATCH(4); + OUT_BATCH(MI_FLUSH_DW | 1); + OUT_BATCH(0); /* reserved */ + OUT_RELOC(target_buffer, I915_GEM_DOMAIN_RENDER, + I915_GEM_DOMAIN_RENDER, 0); + OUT_BATCH(MI_NOOP | (1<<22) | (0xf)); + ADVANCE_BATCH(); + intel_batchbuffer_flush(batch); + + drm_intel_bo_map(target_buffer, 0); + // map to force completion + drm_intel_bo_unmap(target_buffer); + } +} + +int main(int argc, char **argv) +{ + int fd; + int devid; + + if (argc != 1) { + fprintf(stderr, "usage: %s\n", argv[0]); + exit(-1); + } + + fd = drm_open_any(); + devid = intel_get_drm_devid(fd); + if (!HAS_BLT_RING(devid)) { + fprintf(stderr, "not (yet) implemented for pre-snb\n"); + goto out; + } + + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + if (!bufmgr) { + fprintf(stderr, "failed to init libdrm\n"); + exit(-1); + } + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + + batch = intel_batchbuffer_alloc(bufmgr, devid); + if (!batch) { + fprintf(stderr, "failed to create batch buffer\n"); + exit(-1); + } + + target_buffer = drm_intel_bo_alloc(bufmgr, "target bo", 4096, 4096); + if (!target_buffer) { + fprintf(stderr, "failed to alloc target buffer\n"); + exit(-1); + } + + blt_bo = drm_intel_bo_alloc(bufmgr, "target bo", 4*4096*4096, 4096); + if (!blt_bo) { + fprintf(stderr, "failed to alloc blt buffer\n"); + exit(-1); + } + + dummy_reloc_loop(); + + drm_intel_bo_unreference(target_buffer); + intel_batchbuffer_free(batch); + drm_intel_bufmgr_destroy(bufmgr); + +out: + close(fd); + + return 0; +} |