From patchwork Tue Jan 15 17:47:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liviu Dudau X-Patchwork-Id: 10764973 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F1EFF14E5 for ; Tue, 15 Jan 2019 18:40:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D95B62D465 for ; Tue, 15 Jan 2019 18:40:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D704E2D59A; Tue, 15 Jan 2019 18:40:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 450442D465 for ; Tue, 15 Jan 2019 18:40:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8897D6EE29; Tue, 15 Jan 2019 18:40:05 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from cam-smtp0.cambridge.arm.com (unknown [217.140.106.49]) by gabe.freedesktop.org (Postfix) with ESMTPS id B8D456EE1D; Tue, 15 Jan 2019 18:40:01 +0000 (UTC) Received: from localhost.localdomain (juno-r1-ld.cambridge.arm.com [10.2.130.53]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id x0FHlnZi004151; Tue, 15 Jan 2019 17:47:50 GMT From: Liviu Dudau To: Brian Starkey Date: Tue, 15 Jan 2019 17:47:45 +0000 Message-Id: <20190115174747.3138-5-liviu.dudau@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190115174747.3138-1-liviu.dudau@arm.com> References: <20190115174747.3138-1-liviu.dudau@arm.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH i-g-t v5 4/6] kms_writeback: Add writeback-check-output X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boris Brezillon , Intel GFX ML , IGT GPU Tools Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Brian Starkey Add a test which makes commits using the writeback connector, and checks the output buffer hash to make sure it is/isn't written as appropriate. Signed-off-by: Brian Starkey --- tests/kms_writeback.c | 124 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/tests/kms_writeback.c b/tests/kms_writeback.c index 66ef48a6c..0f20dadd2 100644 --- a/tests/kms_writeback.c +++ b/tests/kms_writeback.c @@ -30,6 +30,7 @@ #include "igt.h" #include "igt_core.h" #include "igt_fb.h" +#include "sw_sync.h" static drmModePropertyBlobRes *get_writeback_formats_blob(igt_output_t *output) { @@ -221,6 +222,116 @@ static void writeback_fb_id(igt_output_t *output, igt_fb_t *valid_fb, igt_fb_t * igt_assert(ret == 0); } +static void fill_fb(igt_fb_t *fb, double color[3]) +{ + cairo_t *cr = igt_get_cairo_ctx(fb->fd, fb); + igt_assert(cr); + + igt_paint_color(cr, 0, 0, fb->width, fb->height, + color[0], color[1], color[2]); +} + +static void get_and_wait_out_fence(igt_output_t *output) +{ + int ret; + + igt_assert(output->writeback_out_fence_fd >= 0); + + ret = sync_fence_wait(output->writeback_out_fence_fd, 1000); + igt_assert(ret == 0); + close(output->writeback_out_fence_fd); + output->writeback_out_fence_fd = -1; +} + +static void writeback_sequence(igt_output_t *output, igt_plane_t *plane, + igt_fb_t *in_fb, igt_fb_t *out_fbs[], int n_commits) +{ + int i, color_idx = 0; + double in_fb_colors[2][3] = { + { 1.0, 0.0, 0.0 }, + { 0.0, 1.0, 0.0 }, + }; + double clear_color[3] = { 1.0, 1.0, 1.0 }; + igt_crc_t cleared_crc, out_expected; + + for (i = 0; i < n_commits; i++, color_idx++) { + /* Change the input color each time */ + fill_fb(in_fb, in_fb_colors[color_idx % 2]); + + if (out_fbs[i]) { + igt_crc_t out_before; + + /* Get the expected CRC */ + fill_fb(out_fbs[i], in_fb_colors[color_idx % 2]); + igt_fb_get_crc(out_fbs[i], &out_expected); + + fill_fb(out_fbs[i], clear_color); + if (i == 0) + igt_fb_get_crc(out_fbs[i], &cleared_crc); + igt_fb_get_crc(out_fbs[i], &out_before); + igt_assert_crc_equal(&cleared_crc, &out_before); + } + + /* Commit */ + igt_plane_set_fb(plane, in_fb); + igt_output_set_writeback_fb(output, out_fbs[i]); + + igt_display_commit_atomic(output->display, + DRM_MODE_ATOMIC_ALLOW_MODESET, + NULL); + if (out_fbs[i]) + get_and_wait_out_fence(output); + + /* Make sure the old output buffer is untouched */ + if (i > 0 && out_fbs[i - 1] && (out_fbs[i] != out_fbs[i - 1])) { + igt_crc_t out_prev; + igt_fb_get_crc(out_fbs[i - 1], &out_prev); + igt_assert_crc_equal(&cleared_crc, &out_prev); + } + + /* Make sure this output buffer is written */ + if (out_fbs[i]) { + igt_crc_t out_after; + igt_fb_get_crc(out_fbs[i], &out_after); + igt_assert_crc_equal(&out_expected, &out_after); + + /* And clear it, for the next time */ + fill_fb(out_fbs[i], clear_color); + } + } +} + +static void writeback_check_output(igt_output_t *output, igt_plane_t *plane, + igt_fb_t *input_fb, igt_fb_t *output_fb) +{ + igt_fb_t *out_fbs[2] = { 0 }; + igt_fb_t second_out_fb; + int ret; + + /* One commit, with a writeback. */ + writeback_sequence(output, plane, input_fb, &output_fb, 1); + + /* Two commits, the second with no writeback */ + out_fbs[0] = output_fb; + writeback_sequence(output, plane, input_fb, out_fbs, 2); + + /* Two commits, both with writeback */ + out_fbs[1] = output_fb; + writeback_sequence(output, plane, input_fb, out_fbs, 2); + + ret = igt_create_fb(output_fb->fd, output_fb->width, output_fb->height, + DRM_FORMAT_XRGB8888, + igt_fb_mod_to_tiling(0), + &second_out_fb); + igt_require(ret > 0); + + /* Two commits, with different writeback buffers */ + out_fbs[1] = &second_out_fb; + writeback_sequence(output, plane, input_fb, out_fbs, 2); + + igt_remove_fb(output_fb->fd, &second_out_fb); +} + igt_main { igt_display_t display; @@ -307,6 +418,19 @@ igt_main igt_remove_fb(display.drm_fd, &output_fb); } + igt_subtest("writeback-check-output") { + igt_fb_t output_fb; + ret = igt_create_fb(display.drm_fd, mode.hdisplay, mode.vdisplay, + DRM_FORMAT_XRGB8888, + igt_fb_mod_to_tiling(0), + &output_fb); + igt_require(ret > 0); + + writeback_check_output(output, plane, &input_fb, &output_fb); + + igt_remove_fb(display.drm_fd, &output_fb); + } + igt_fixture { igt_remove_fb(display.drm_fd, &input_fb); igt_display_fini(&display);