From patchwork Wed May 8 14:30:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ma=C3=ADra_Canal?= X-Patchwork-Id: 13658836 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 70E45C04FFE for ; Wed, 8 May 2024 14:35:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 315A5112DCB; Wed, 8 May 2024 14:35:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.b="hgLiouMA"; dkim-atps=neutral Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id F383C10F8F6 for ; Wed, 8 May 2024 14:35:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=W5HnJsFpgYuDh6A0u+YTh3Vb1QCoO5IpSKW3eXR5OuA=; b=hgLiouMAORncp5CK5zJD+Q89iJ LNpg8uCSjnDROO6SsRf/sWgy1uT1KVdvCePMgMJfBPFv99ZIK4wOlLvfovyvJ6lCDx96046qFZaf3 ipulwgMHocxTS9KxdkWPktTt455gBOuAr+jILTBh2bxssl0zCj2lUT6f04pK2Nx06BzEBwpznABzM A618QIOsWOM4CSCnr8QbcaIU5WIrju4UuX+FL5ZOW5j010BcBa+GYXboCBsJiwtZOOj6rW71ytiQP mQKekKk4CDSulKpG26BjyMcyYWooY5B+qRV6lBTUDmgTuoscuj4tSjeW6LUSjQoz2OO0C7gooqD25 KCAF19qQ==; Received: from [179.234.232.152] (helo=morissey..) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1s4iNu-002ogv-LJ; Wed, 08 May 2024 16:35:07 +0200 From: =?utf-8?q?Ma=C3=ADra_Canal?= To: Melissa Wen , Iago Toral , Jose Maria Casanova Crespo , =?utf-8?q?Juan_A_=2E_Su?= =?utf-8?q?=C3=A1rez?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: dri-devel@lists.freedesktop.org, kernel-dev@igalia.com, =?utf-8?q?Ma?= =?utf-8?q?=C3=ADra_Canal?= Subject: [PATCH 3/6] drm/v3d: Create a new V3D parameter for the maximum number of perfcnt Date: Wed, 8 May 2024 11:30:45 -0300 Message-ID: <20240508143306.2435304-5-mcanal@igalia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240508143306.2435304-2-mcanal@igalia.com> References: <20240508143306.2435304-2-mcanal@igalia.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The maximum number of performance counters can change from version to version and it's important for userspace to know this value, as it needs to use the counters for performance queries. Therefore, expose the maximum number of performance counters to userspace as a parameter. Signed-off-by: Maíra Canal --- drivers/gpu/drm/v3d/v3d_drv.c | 3 +++ include/uapi/drm/v3d_drm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index 6b9dd26df9fe..d2c1d5053132 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -94,6 +94,9 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data, case DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE: args->value = 1; return 0; + case DRM_V3D_PARAM_MAX_PERF_COUNTERS: + args->value = v3d->max_counters; + return 0; default: DRM_DEBUG("Unknown parameter %d\n", args->param); return -EINVAL; diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h index dce1835eced4..215b01bb69c3 100644 --- a/include/uapi/drm/v3d_drm.h +++ b/include/uapi/drm/v3d_drm.h @@ -286,6 +286,7 @@ enum drm_v3d_param { DRM_V3D_PARAM_SUPPORTS_PERFMON, DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT, DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE, + DRM_V3D_PARAM_MAX_PERF_COUNTERS, }; struct drm_v3d_get_param {