From patchwork Fri Sep 28 00:30:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak Singh Rawat X-Patchwork-Id: 10618781 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 E311214BD for ; Fri, 28 Sep 2018 00:31:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D655F2B22E for ; Fri, 28 Sep 2018 00:31:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C9EE22B262; Fri, 28 Sep 2018 00:31:52 +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 764B22B22E for ; Fri, 28 Sep 2018 00:31:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B0416E63B; Fri, 28 Sep 2018 00:31:34 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from EX13-EDG-OU-001.vmware.com (ex13-edg-ou-001.vmware.com [208.91.0.189]) by gabe.freedesktop.org (Postfix) with ESMTPS id E7F6B6E632 for ; Fri, 28 Sep 2018 00:30:53 +0000 (UTC) Received: from sc9-mailhost3.vmware.com (10.113.161.73) by EX13-EDG-OU-001.vmware.com (10.113.208.155) with Microsoft SMTP Server id 15.0.1156.6; Thu, 27 Sep 2018 17:30:51 -0700 Received: from ubuntu.localdomain (promb-2n-dhcp77.eng.vmware.com [10.20.88.77]) by sc9-mailhost3.vmware.com (Postfix) with ESMTP id 24280408E1; Thu, 27 Sep 2018 17:30:53 -0700 (PDT) From: Deepak Rawat To: , , , Subject: [PATCH 04/18] drm/selftest: Add drm damage helper selftest Date: Thu, 27 Sep 2018 17:30:06 -0700 Message-ID: <20180928003020.1737-4-drawat@vmware.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180928003020.1737-1-drawat@vmware.com> References: <20180928003020.1737-1-drawat@vmware.com> MIME-Version: 1.0 Received-SPF: None (EX13-EDG-OU-001.vmware.com: drawat@vmware.com does not designate permitted sender hosts) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Deepak Rawat Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Selftest for drm damage helper iterator functions. Cc: ville.syrjala@linux.intel.com Cc: Daniel Vetter Cc: Pekka Paalanen Signed-off-by: Deepak Rawat --- drivers/gpu/drm/selftests/Makefile | 3 +- .../selftests/drm_damage_helper_selftests.h | 22 + .../drm/selftests/test-drm_damage_helper.c | 844 ++++++++++++++++++ 3 files changed, 868 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/selftests/drm_damage_helper_selftests.h create mode 100644 drivers/gpu/drm/selftests/test-drm_damage_helper.c diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile index 9fc349fa18e9..88ac216f5962 100644 --- a/drivers/gpu/drm/selftests/Makefile +++ b/drivers/gpu/drm/selftests/Makefile @@ -1 +1,2 @@ -obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm-helper.o +obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm-helper.o \ + test-drm_damage_helper.o diff --git a/drivers/gpu/drm/selftests/drm_damage_helper_selftests.h b/drivers/gpu/drm/selftests/drm_damage_helper_selftests.h new file mode 100644 index 000000000000..3a1cbe05bef0 --- /dev/null +++ b/drivers/gpu/drm/selftests/drm_damage_helper_selftests.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +selftest(damage_iter_no_damage, igt_damage_iter_no_damage) +selftest(damage_iter_no_damage_fractional_src, igt_damage_iter_no_damage_fractional_src) +selftest(damage_iter_no_damage_src_moved, igt_damage_iter_no_damage_src_moved) +selftest(damage_iter_no_damage_fractional_src_moved, igt_damage_iter_no_damage_fractional_src_moved) +selftest(damage_iter_no_damage_not_visible, igt_damage_iter_no_damage_not_visible) +selftest(damage_iter_no_damage_no_crtc, igt_damage_iter_no_damage_no_crtc) +selftest(damage_iter_no_damage_no_fb, igt_damage_iter_no_damage_no_fb) +selftest(damage_iter_simple_damage, igt_damage_iter_simple_damage) +selftest(damage_iter_single_damage, igt_damage_iter_single_damage) +selftest(damage_iter_single_damage_intersect_src, igt_damage_iter_single_damage_intersect_src) +selftest(damage_iter_single_damage_outside_src, igt_damage_iter_single_damage_outside_src) +selftest(damage_iter_single_damage_fractional_src, igt_damage_iter_single_damage_fractional_src) +selftest(damage_iter_single_damage_intersect_fractional_src, igt_damage_iter_single_damage_intersect_fractional_src) +selftest(damage_iter_single_damage_outside_fractional_src, igt_damage_iter_single_damage_outside_fractional_src) +selftest(damage_iter_single_damage_src_moved, igt_damage_iter_single_damage_src_moved) +selftest(damage_iter_single_damage_fractional_src_moved, igt_damage_iter_single_damage_fractional_src_moved) +selftest(damage_iter_damage, igt_damage_iter_damage) +selftest(damage_iter_damage_one_intersect, igt_damage_iter_damage_one_intersect) +selftest(damage_iter_damage_one_outside, igt_damage_iter_damage_one_outside) +selftest(damage_iter_damage_src_moved, igt_damage_iter_damage_src_moved) +selftest(damage_iter_damage_not_visible, igt_damage_iter_damage_not_visible) diff --git a/drivers/gpu/drm/selftests/test-drm_damage_helper.c b/drivers/gpu/drm/selftests/test-drm_damage_helper.c new file mode 100644 index 000000000000..17754734c47a --- /dev/null +++ b/drivers/gpu/drm/selftests/test-drm_damage_helper.c @@ -0,0 +1,844 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Test case for drm_damage_helper functions + */ + +#define pr_fmt(fmt) "drm_damage_helper: " fmt + +#include +#include + +#define TESTS "drm_damage_helper_selftests.h" +#include "drm_selftest.h" + +#define FAIL(test, msg, ...) \ + do { \ + if (test) { \ + pr_err("%s/%u: " msg, __FUNCTION__, __LINE__, ##__VA_ARGS__); \ + return -EINVAL; \ + } \ + } while (0) + +#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n") + +static void set_plane_src(struct drm_plane_state *state, int x1, int y1, int x2, + int y2) +{ + state->src.x1 = x1; + state->src.y1 = y1; + state->src.x2 = x2; + state->src.y2 = y2; +} + +static void set_damage_clip(struct drm_mode_rect *r, int x1, int y1, int x2, + int y2) +{ + r->x1 = x1; + r->y1 = y1; + r->x2 = x2; + r->y2 = y2; +} + +static void set_damage_blob(struct drm_property_blob *damage_blob, + struct drm_mode_rect *r, uint32_t size) +{ + damage_blob->length = size; + damage_blob->data = r; +} + +static void set_plane_damage(struct drm_plane_state *state, + struct drm_property_blob *damage_blob) +{ + state->fb_damage_clips = damage_blob; +} + +static bool check_damage_clip(struct drm_plane_state *state, struct drm_rect *r, + int x1, int y1, int x2, int y2) +{ + /* + * Round down x1/y1 and round up x2/y2. This is because damage is not in + * 16.16 fixed point so to catch all pixels. + */ + int src_x1 = state->src.x1 >> 16; + int src_y1 = state->src.y1 >> 16; + int src_x2 = (state->src.x2 >> 16) + !!(state->src.x2 & 0xFFFF); + int src_y2 = (state->src.y2 >> 16) + !!(state->src.y2 & 0xFFFF); + + if (x1 >= x2 || y1 >= y2) { + pr_err("Cannot have damage clip with no dimention.\n"); + return false; + } + + if (x1 < src_x1 || y1 < src_y1 || x2 > src_x2 || y2 > src_y2) { + pr_err("Damage cannot be outside rounded plane src.\n"); + return false; + } + + if (r->x1 != x1 || r->y1 != y1 || r->x2 != x2 || r->y2 != y2) { + pr_err("Damage = %d %d %d %d\n", r->x1, r->y1, r->x2, r->y2); + return false; + } + + return true; +} + +static int igt_damage_iter_no_damage(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src same as fb size. */ + set_plane_src(&old_state, 0, 0, fb.width << 16, fb.height << 16); + set_plane_src(&state, 0, 0, fb.width << 16, fb.height << 16); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 0, 0, 2048, 2048)); + + return 0; +} + +static int igt_damage_iter_no_damage_fractional_src(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src has fractional part. */ + set_plane_src(&old_state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + set_plane_src(&state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return rounded off plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 3, 3, 1028, 772)); + + return 0; +} + +static int igt_damage_iter_no_damage_src_moved(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src moved since old plane state. */ + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 10 << 16, 10 << 16, + (10 + 1024) << 16, (10 + 768) << 16); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 1034, 778)); + + return 0; +} + +static int igt_damage_iter_no_damage_fractional_src_moved(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src has fractional part and it moved since old plane state. */ + set_plane_src(&old_state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + set_plane_src(&state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); + + return 0; +} + +static int igt_damage_iter_no_damage_not_visible(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = false, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 0, "Should have no damage."); + + return 0; +} + +static int igt_damage_iter_no_damage_no_crtc(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = 0, + .fb = &fb, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 0, "Should have no damage."); + + return 0; +} + +static int igt_damage_iter_no_damage_no_fb(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = 0, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 0, "Should have no damage."); + + return 0; +} + +static int igt_damage_iter_simple_damage(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + /* Damage set to plane src */ + set_damage_clip(&damage, 0, 0, 1024, 768); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return damage when set."); + FAIL_ON(!check_damage_clip(&state, &clip, 0, 0, 1024, 768)); + + return 0; +} + +static int igt_damage_iter_single_damage(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + set_damage_clip(&damage, 256, 192, 768, 576); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return damage when set."); + FAIL_ON(!check_damage_clip(&state, &clip, 256, 192, 768, 576)); + + return 0; +} + +static int igt_damage_iter_single_damage_intersect_src(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + /* Damage intersect with plane src. */ + set_damage_clip(&damage, 256, 192, 1360, 768); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return damage clipped to src."); + FAIL_ON(!check_damage_clip(&state, &clip, 256, 192, 1024, 768)); + + return 0; +} + +static int igt_damage_iter_single_damage_outside_src(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + /* Damage clip outside plane src */ + set_damage_clip(&damage, 1360, 1360, 1380, 1380); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 0, "Should have no damage."); + + return 0; +} + +static int igt_damage_iter_single_damage_fractional_src(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src has fractional part. */ + set_plane_src(&old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_damage_clip(&damage, 10, 10, 256, 330); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return damage when set."); + FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 256, 330)); + + return 0; +} + +static int igt_damage_iter_single_damage_intersect_fractional_src(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src has fractional part. */ + set_plane_src(&old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* Damage intersect with plane src. */ + set_damage_clip(&damage, 10, 1, 1360, 330); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return damage clipped to rounded off src."); + FAIL_ON(!check_damage_clip(&state, &clip, 10, 4, 1029, 330)); + + return 0; +} + +static int igt_damage_iter_single_damage_outside_fractional_src(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src has fractional part. */ + set_plane_src(&old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* Damage clip outside plane src */ + set_damage_clip(&damage, 1360, 1360, 1380, 1380); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 0, "Should have no damage."); + + return 0; +} + +static int igt_damage_iter_single_damage_src_moved(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src moved since old plane state. */ + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 10 << 16, 10 << 16, + (10 + 1024) << 16, (10 + 768) << 16); + set_damage_clip(&damage, 20, 30, 256, 256); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 1034, 778)); + + return 0; +} + +static int igt_damage_iter_single_damage_fractional_src_moved(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + /* Plane src with fractional part moved since old plane state. */ + set_plane_src(&old_state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + set_plane_src(&state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* Damage intersect with plane src. */ + set_damage_clip(&damage, 20, 30, 1360, 256); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return rounded off plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); + + return 0; +} + +static int igt_damage_iter_damage(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + /* 2 damage clips. */ + set_damage_clip(&damage[0], 20, 30, 200, 180); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) { + if (num_hits == 0) + FAIL_ON(!check_damage_clip(&state, &clip, 20, 30, 200, 180)); + if (num_hits == 1) + FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250)); + num_hits++; + } + + FAIL(num_hits != 2, "Should return damage when set."); + + return 0; +} + +static int igt_damage_iter_damage_one_intersect(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* 2 damage clips, one intersect plane src. */ + set_damage_clip(&damage[0], 20, 30, 200, 180); + set_damage_clip(&damage[1], 2, 2, 1360, 1360); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) { + if (num_hits == 0) + FAIL_ON(!check_damage_clip(&state, &clip, 20, 30, 200, 180)); + if (num_hits == 1) + FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); + num_hits++; + } + + FAIL(num_hits != 2, "Should return damage when set."); + + return 0; +} + +static int igt_damage_iter_damage_one_outside(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); + /* 2 damage clips, one outside plane src. */ + set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return damage when set."); + FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250)); + + return 0; +} + +static int igt_damage_iter_damage_src_moved(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = true, + }; + + set_plane_src(&old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + /* 2 damage clips, one outside plane src. */ + set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 1, "Should return round off plane src as damage."); + FAIL_ON(!check_damage_clip(&state, &clip, 3, 3, 1028, 772)); + + return 0; +} + +static int igt_damage_iter_damage_not_visible(void *ignored) +{ + struct drm_atomic_helper_damage_iter iter; + struct drm_plane_state old_state; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + struct drm_framebuffer fb = { + .width = 2048, + .height = 2048 + }; + + struct drm_plane_state state = { + .crtc = ZERO_SIZE_PTR, + .fb = &fb, + .visible = false, + }; + + set_plane_src(&old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + /* 2 damage clips, one outside plane src. */ + set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + FAIL(num_hits != 0, "Should not return any damage."); + + return 0; +} + +#include "drm_selftest.c" + +static int __init test_drm_damage_helper_init(void) +{ + int err; + + err = run_selftests(selftests, ARRAY_SIZE(selftests), NULL); + + return err > 0 ? 0 : err; +} + +static void __exit test_drm_damage_helper_exit(void) +{ +} + +module_init(test_drm_damage_helper_init); +module_exit(test_drm_damage_helper_exit); + +MODULE_AUTHOR("VMware Inc."); +MODULE_LICENSE("GPL");