From abffc52b0ec74c8498f2197760199a54e29c8a6a Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 12 Feb 2019 18:40:37 +0000 Subject: i915/gem_exec_big: Add a single shot test CI complains that the exhaustive test of trying every size up to the limit is too slow, so add a simple test that tries to submit one extreme batch buffer and check all the relocations land. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105555 Signed-off-by: Chris Wilson Reviewed-by: Tvrtko Ursulin --- tests/i915/gem_exec_big.c | 70 +++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 59 insertions(+), 11 deletions(-) (limited to 'tests/i915') diff --git a/tests/i915/gem_exec_big.c b/tests/i915/gem_exec_big.c index a15672f6..015f59e2 100644 --- a/tests/i915/gem_exec_big.c +++ b/tests/i915/gem_exec_big.c @@ -71,7 +71,7 @@ static void exec1(int fd, uint32_t handle, uint64_t reloc_ofs, unsigned flags, c gem_exec[0].relocs_ptr = to_user_pointer(gem_reloc); gem_exec[0].alignment = 0; gem_exec[0].offset = 0; - gem_exec[0].flags = 0; + gem_exec[0].flags = EXEC_OBJECT_SUPPORTS_48B_ADDRESS; gem_exec[0].rsvd1 = 0; gem_exec[0].rsvd2 = 0; @@ -154,12 +154,11 @@ static void execN(int fd, uint32_t handle, uint64_t batch_size, unsigned flags, gem_exec[0].handle = handle; gem_exec[0].relocation_count = nreloc; gem_exec[0].relocs_ptr = to_user_pointer(gem_reloc); + gem_exec[0].flags = EXEC_OBJECT_SUPPORTS_48B_ADDRESS; memset(&execbuf, 0, sizeof(execbuf)); execbuf.buffers_ptr = to_user_pointer(gem_exec); execbuf.buffer_count = 1; - execbuf.batch_start_offset = 0; - execbuf.batch_len = 8; execbuf.flags = flags; /* Avoid hitting slowpaths in the reloc processing which might yield a @@ -197,16 +196,10 @@ static void execN(int fd, uint32_t handle, uint64_t batch_size, unsigned flags, #undef reloc_ofs } -igt_simple_main +static void exhaustive(int fd) { uint32_t batch[2] = {MI_BATCH_BUFFER_END}; uint64_t batch_size, max, ggtt_max, reloc_ofs; - int fd; - - fd = drm_open_driver(DRIVER_INTEL); - igt_require_gem(fd); - - use_64bit_relocs = intel_gen(intel_get_drm_devid(fd)) >= 8; max = 3 * gem_aperture_size(fd) / 4; ggtt_max = 3 * gem_global_aperture_size(fd) / 4; @@ -258,6 +251,61 @@ igt_simple_main else batch_size *= 2; } +} + +static void single(int i915) +{ + const uint32_t bbe = MI_BATCH_BUFFER_END; + uint64_t batch_size, limit; + uint32_t handle; + void *ptr; + + batch_size = (intel_get_avail_ram_mb() - 128) << 20; /* CI slack */ + limit = gem_aperture_size(i915) - (256 << 10); /* low pages reserved */ + if (!gem_uses_full_ppgtt(i915)) + limit = 3 * limit / 4; + + batch_size = min(batch_size, limit); + batch_size = ALIGN(batch_size, 4096); + igt_info("Submitting a %'"PRId64"MiB batch, %saperture size %'"PRId64"MiB\n", + batch_size >> 20, + gem_uses_full_ppgtt(i915) ? "" : "shared ", + gem_aperture_size(i915) >> 20); + intel_require_memory(1, batch_size, CHECK_RAM); + + handle = gem_create(i915, batch_size); + gem_write(i915, handle, 0, &bbe, sizeof(bbe)); + + if (!FORCE_PREAD_PWRITE && gem_has_llc(i915)) + ptr = __gem_mmap__cpu(i915, handle, 0, batch_size, PROT_READ); + else if (!FORCE_PREAD_PWRITE && gem_mmap__has_wc(i915)) + ptr = __gem_mmap__wc(i915, handle, 0, batch_size, PROT_READ); + else + ptr = NULL; + + execN(i915, handle, batch_size, 0, ptr); + + if (ptr) + munmap(ptr, batch_size); +} + +igt_main +{ + int i915 = -1; + + igt_fixture { + i915 = drm_open_driver(DRIVER_INTEL); + igt_require_gem(i915); + + use_64bit_relocs = intel_gen(intel_get_drm_devid(i915)) >= 8; + } + + igt_subtest("single") + single(i915); + + igt_subtest("exhaustive") + exhaustive(i915); - close(fd); + igt_fixture + close(i915); } -- cgit v1.2.3