From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AAACBC021A0 for ; Mon, 17 Feb 2025 06:27:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3A29C10E369; Mon, 17 Feb 2025 06:27:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="aG3/htGr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id DF3B610E369 for ; Mon, 17 Feb 2025 06:27:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739773624; x=1771309624; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Wezcs8A9lZp9yArt144HvVbAP1wFaxvyzbax3v/vxjQ=; b=aG3/htGruxsk4tlid+KISUNGPKmAB1cedofkFu4RwlCD+CA7ULz0+nB2 drg7plu5+r2MEB6wqz0OaERLcc0bkqn9vgQgVz2UsLt4bS+fjCDYJsQSI erT/I73gcm8+nhTBjHhdrfCZBCsyHM+CvQoP0I/ec9rX7Yxnvq+jAP2Jn bHKQj6FjvG1Fn+7JWP9rC4ZiGzORIqvAz2J/47l+0/z2JGeq/OWIwR7pL GFwynebBTfMxEYHpjbZvBioSo5IozQN0hjKIg8hGkZBBDQ2nwkncV1biy 7zzlGx0fFSWPIS8m9q6x9N8gk+njqOvnKYUvQddhmmcn0dNxdmofiL3fn g==; X-CSE-ConnectionGUID: a54x2jNNQeWcIK2KPT5Sdw== X-CSE-MsgGUID: qJNtsuXSSve67TGeAKZ8TQ== X-IronPort-AV: E=McAfee;i="6700,10204,11347"; a="40149654" X-IronPort-AV: E=Sophos;i="6.13,292,1732608000"; d="scan'208";a="40149654" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2025 22:27:04 -0800 X-CSE-ConnectionGUID: 9NaTa+F0TEqGEdMUh4zLiA== X-CSE-MsgGUID: 1zqmnOnsRgGlttptt8U5wA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,292,1732608000"; d="scan'208";a="114661959" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2025 22:27:03 -0800 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Cc: Kunal Joshi , Jeevan B Subject: [PATCH i-g-t 2/4] tests/intel/kms_joiner_helper: add helper for joiner-related functions Date: Mon, 17 Feb 2025 12:12:37 +0530 Message-Id: <20250217064239.2019316-3-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250217064239.2019316-1-kunal1.joshi@intel.com> References: <20250217064239.2019316-1-kunal1.joshi@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Add helper to handle Big Joiner and Ultra Joiner logic in a centralized manner. Add utility functions to set and manage master pipes, as well as to assign consecutive pipes for multi-pipe configurations. v2: fix commit and subject (Swati) split patch (Swati) Signed-off-by: Kunal Joshi Reviewed-by: Jeevan B --- tests/intel/kms_joiner.c | 15 +-- tests/intel/kms_joiner_helper.c | 181 ++++++++++++++++++++++++++++++++ tests/intel/kms_joiner_helper.h | 20 ++++ tests/meson.build | 1 + 4 files changed, 204 insertions(+), 13 deletions(-) create mode 100644 tests/intel/kms_joiner_helper.c create mode 100644 tests/intel/kms_joiner_helper.h diff --git a/tests/intel/kms_joiner.c b/tests/intel/kms_joiner.c index 080e8ff52..771c9b8b3 100644 --- a/tests/intel/kms_joiner.c +++ b/tests/intel/kms_joiner.c @@ -37,6 +37,7 @@ #include "igt.h" #include "xe/xe_query.h" #include "kms_dsc_helper.c" +#include "kms_joiner_helper.h" /** * SUBTEST: invalid-modeset-big-joiner @@ -106,18 +107,6 @@ typedef struct { static int max_dotclock; -static void set_all_master_pipes_for_platform(igt_display_t *display, uint32_t *master_pipes) -{ - enum pipe pipe; - - for (pipe = PIPE_A; pipe < IGT_MAX_PIPES - 1; pipe++) { - if (display->pipes[pipe].enabled && display->pipes[pipe + 1].enabled) { - *master_pipes |= BIT(pipe); - igt_info("Found master pipe %s\n", kmstest_pipe_name(pipe)); - } - } -} - static void enable_force_joiner_on_all_non_big_joiner_outputs(data_t *data) { bool status; @@ -561,7 +550,7 @@ igt_main data.drm_fd = drm_open_driver_master(DRIVER_INTEL | DRIVER_XE); kmstest_set_vt_graphics_mode(); igt_display_require(&data.display, data.drm_fd); - set_all_master_pipes_for_platform(&data.display, &data.master_pipes); + igt_set_all_master_pipes_for_platform(&data.display, &data.master_pipes); igt_require(data.display.is_atomic); max_dotclock = igt_get_max_dotclock(data.drm_fd); diff --git a/tests/intel/kms_joiner_helper.c b/tests/intel/kms_joiner_helper.c new file mode 100644 index 000000000..17a22d34a --- /dev/null +++ b/tests/intel/kms_joiner_helper.c @@ -0,0 +1,181 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2025 Intel Corporation + */ + +#include "kms_joiner_helper.h" +#include "igt.h" +#include "igt_kms.h" +#include "intel_chipset.h" + +/* + * Detect if the output needs 1, 2, or 4 pipes (non-joiner, big joiner, ultra). + */ +static int get_required_pipes(int drm_fd, igt_output_t *output) +{ + bool is_big = false, is_ultra = false; + int max_dotclock; + drmModeModeInfo mode; + + if (!is_intel_device(drm_fd)) + return -1; + + max_dotclock = igt_get_max_dotclock(drm_fd); + + is_ultra = ultrajoiner_mode_found(drm_fd, + output->config.connector, + max_dotclock, + &mode); + is_big = bigjoiner_mode_found(drm_fd, + output->config.connector, + max_dotclock, + &mode); + + if (is_ultra) + return 4; + if (is_big) + return 2; + + return 1; +} + +/* + * Internal helper to find a block of consecutive free pipes + * in available_pipes_mask. If count > 1, the first pipe must also + * be in master_pipes_mask. + * + * Returns the starting pipe index or -1 if not found. + */ +static int find_consecutive_pipes(int n_pipes, + uint32_t available_pipes_mask, + uint32_t master_pipes_mask, + int count) +{ + int i = 0, pipe_idx = 0; + bool can_use; + + for (int start = 0; start < n_pipes; start++) { + if (((start + count) - 1) >= n_pipes) + break; + + if ((count > 1) && (!(BIT(start) & master_pipes_mask))) + continue; + + can_use = true; + for (i = 0; i < count; i++) { + pipe_idx = start + i; + if (!(BIT(pipe_idx) & available_pipes_mask)) { + can_use = false; + break; + } + } + if (can_use) + return start; + } + return -1; +} + +static enum pipe get_next_master_pipe(uint32_t pipe_mask) +{ + int i; + + if (!pipe_mask) + return PIPE_NONE; + + i = ffs(pipe_mask) - 1; + + if (i < 0) + return PIPE_NONE; + + return i; +} + +/** + * igt_set_all_master_pipes_for_platform: + * @master_pipes: Pointer to the variable to store the master pipes bitmask. + * @display: The display structure containing pipe information. + * + * This function sets the master pipes for the platform by checking if consecutive + * pipes are enabled. If both pipe and the next pipe are enabled, the pipe is + * considered a master pipe. + */ +void igt_set_all_master_pipes_for_platform(igt_display_t *display, uint32_t *master_pipes) +{ + enum pipe pipe; + + *master_pipes = 0; + for (pipe = PIPE_A; pipe < IGT_MAX_PIPES - 1; pipe++) { + if (display->pipes[pipe].enabled && display->pipes[pipe + 1].enabled) { + *master_pipes |= BIT(pipe); + igt_info("Found master pipe %s\n", kmstest_pipe_name(pipe)); + } + } +} + +/* + * @drm_fd: DRM file descriptor + * @outputs: array of pointers to igt_output_t + * @num_outputs: how many outputs in the array + * @n_pipes: total number of pipes available + * @used_pipes_mask: pointer to a bitmask (in/out) of already-used pipes + * @master_pipes_mask: bitmask of valid "master" pipes + * @valid_pipes_mask: bitmask of valid (non-fused) pipes + * + * Assign pipes to outputs based on the number of required pipes. + * This function will assign 1, 2, or 4 consecutive pipes to each output. + * It will also mark the used pipes in the bitmask. + * + * Returns: true if all outputs can be assigned successfully; false otherwise. + */ +bool igt_assign_pipes_for_outputs(int drm_fd, + igt_output_t **outputs, + int num_outputs, + int n_pipes, + uint32_t *used_pipes_mask, + uint32_t master_pipes_mask, + uint32_t valid_pipes_mask) +{ + int i = 0, idx = 0, needed = 0, start = 0; + uint32_t available_pipes_mask = 0; + enum pipe mp = PIPE_NONE; + igt_output_t *out; + + for (idx = 0; idx < num_outputs; idx++) { + out = outputs[idx]; + needed = get_required_pipes(drm_fd, out); + if (needed < 0) + return false; + + available_pipes_mask = (~(*used_pipes_mask)) & valid_pipes_mask; + start = find_consecutive_pipes(n_pipes, available_pipes_mask, + master_pipes_mask, needed); + + if (start < 0) { + igt_debug("Cannot allocate %d consecutive pipes for output %s\n", + needed, out->name); + return false; + } + + igt_info("Assigning %d pipes [start=%s..%s] to output %s\n", + needed, kmstest_pipe_name(start), + kmstest_pipe_name(start + needed - 1), out->name); + + if (needed > 1) { + mp = get_next_master_pipe(BIT(start)); + + if (mp == PIPE_NONE) { + igt_debug("Failed to confirm master pipe for %s\n", + out->name); + return false; + } + igt_output_set_pipe(out, start); + igt_debug("Using pipe %s as master.\n", + kmstest_pipe_name(start)); + } else + igt_output_set_pipe(out, start); + + for (i = 0; i < needed; i++) + *used_pipes_mask |= BIT(start + i); + } + return true; +} diff --git a/tests/intel/kms_joiner_helper.h b/tests/intel/kms_joiner_helper.h new file mode 100644 index 000000000..8a6f8e5ad --- /dev/null +++ b/tests/intel/kms_joiner_helper.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2025 Intel Corporation + */ + +#ifndef KMS_JOINER_HELPER_H +#define KMS_JOINER_HELPER_H + +#include "igt_kms.h" + +void igt_set_all_master_pipes_for_platform(igt_display_t *display, + uint32_t *master_pipes); +bool igt_assign_pipes_for_outputs(int drm_fd, + igt_output_t **outputs, + int num_outputs, + int n_pipes, + uint32_t *used_pipes_mask, + uint32_t master_pipes_mask, + uint32_t valid_pipes_mask); +#endif diff --git a/tests/meson.build b/tests/meson.build index 1a731fc73..dea2cb02b 100644 --- a/tests/meson.build +++ b/tests/meson.build @@ -370,6 +370,7 @@ extra_sources = { join_paths ('intel', 'kms_mst_helper.c'), join_paths ('intel', 'kms_dsc_helper.c') ], 'kms_dsc': [ join_paths ('intel', 'kms_dsc_helper.c') ], + 'kms_joiner': [ join_paths ('intel', 'kms_joiner_helper.c') ], 'kms_psr2_sf': [ join_paths ('intel', 'kms_dsc_helper.c') ], } -- 2.25.1