From patchwork Tue Apr 9 13:41:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ville Syrjala X-Patchwork-Id: 2415411 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id D30FADF25A for ; Tue, 9 Apr 2013 13:45:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B12A6E6141 for ; Tue, 9 Apr 2013 06:45:30 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 9CFE1E610A for ; Tue, 9 Apr 2013 06:41:46 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 09 Apr 2013 06:41:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,439,1363158000"; d="scan'208";a="319698313" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.168]) by fmsmga002.fm.intel.com with SMTP; 09 Apr 2013 06:41:43 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 09 Apr 2013 16:41:42 +0300 From: ville.syrjala@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Tue, 9 Apr 2013 16:41:42 +0300 Message-Id: <1365514902-12426-1-git-send-email-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <20130409130613.GN3792@cantiga.alporthouse.com> References: <20130409130613.GN3792@cantiga.alporthouse.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH i-g-t v2] tests/gem_tiling_max_stride: Add a test for max fence stride X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org From: Ville Syrjälä gem_tiling_max_stride writes a data pattern to an X-tiled buffer using the maximum supported stride, reads the data back as linear, and verifies that the data didn't get scrambled on the way. The test also checks that some invalid stride values are rejected properly. v2: Check invalid strides Signed-off-by: Ville Syrjälä --- tests/Makefile.am | 1 + tests/gem_tiling_max_stride.c | 141 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 142 insertions(+) create mode 100644 tests/gem_tiling_max_stride.c diff --git a/tests/Makefile.am b/tests/Makefile.am index f8758cd..e147e4e 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -99,6 +99,7 @@ TESTS_progs = \ gem_ctx_bad_exec \ gem_ctx_basic \ gem_reg_read \ + gem_tiling_max_stride \ $(NOUVEAU_TESTS) \ prime_self_import \ prime_udl \ diff --git a/tests/gem_tiling_max_stride.c b/tests/gem_tiling_max_stride.c new file mode 100644 index 0000000..42b68e5 --- /dev/null +++ b/tests/gem_tiling_max_stride.c @@ -0,0 +1,141 @@ +/* + * Copyright © 2013 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: + * Ville Syrjälä + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" +#include "intel_gpu_tools.h" + +static void test_invalid_tiling(int fd, uint32_t handle, int tiling, int stride) +{ + struct drm_i915_gem_set_tiling st; + int ret; + + memset(&st, 0, sizeof(st)); + do { + st.handle = handle; + st.tiling_mode = tiling; + st.stride = tiling ? stride : 0; + + ret = ioctl(fd, DRM_IOCTL_I915_GEM_SET_TILING, &st); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + assert(ret == -1 && errno == EINVAL); +} + +/** + * Testcase: Check that max fence stride works + */ + +int main(int argc, char *argv[]) +{ + int fd; + uint32_t *ptr; + uint32_t *data; + uint32_t handle; + uint32_t stride; + uint32_t size; + uint32_t devid; + int i = 0, x, y; + int tile_width = 512; + int tile_height = 8; + + fd = drm_open_any(); + + devid = intel_get_drm_devid(fd); + + if (intel_gen(devid) >= 7) + stride = 256 * 1024; + else if (intel_gen(devid) >= 4) + stride = 128 * 1024; + else { + tile_width = 128; + tile_height = 16; + stride = 8 * 1024; + } + + size = stride * tile_height; + + data = malloc(size); + assert(data); + + /* Fill each line with the line number */ + for (y = 0; y < tile_height; y++) { + for (x = 0; x < stride / 4; x++) + data[i++] = y; + } + + handle = gem_create(fd, size); + + ptr = gem_mmap(fd, handle, size, PROT_READ | PROT_WRITE); + assert(ptr); + + test_invalid_tiling(fd, handle, I915_TILING_X, stride - 1); + test_invalid_tiling(fd, handle, I915_TILING_X, stride + 1); + test_invalid_tiling(fd, handle, I915_TILING_X, stride + 127); + test_invalid_tiling(fd, handle, I915_TILING_X, stride + 128); + test_invalid_tiling(fd, handle, I915_TILING_X, stride + tile_width); + test_invalid_tiling(fd, handle, I915_TILING_X, stride * 2); + + gem_set_tiling(fd, handle, I915_TILING_X, stride); + + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); + + memcpy(ptr, data, size); + + memset(data, 0, size); + + gem_set_tiling(fd, handle, I915_TILING_NONE, 0); + + memcpy(data, ptr, size); + + /* Check that each tile contains the expected pattern */ + for (i = 0; i < size / 4; ) { + for (y = 0; y < tile_height; y++) { + for (x = 0; x < tile_width / 4; x++) { + assert(y == data[i]); + i++; + } + } + } + + munmap(ptr, size); + + close(fd); + + return 0; +}