From patchwork Sun May 12 22:23:26 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: 13662861 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 1274CC25B4F for ; Sun, 12 May 2024 22:27:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8F62010E1F0; Sun, 12 May 2024 22:27:34 +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="buDRd2uO"; dkim-atps=neutral Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9B6BC10E1D2 for ; Sun, 12 May 2024 22:27:30 +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=85oD36+Vbj0Ve4B70dt9qbOGxh1SH9ZcvZv03vdKaWk=; b=buDRd2uOrr6T+hkEshkThKEMUq CXoObb1jQhpf240gZCm/KfhxPhqH/s7ZXp2I3YntmtsJ5Qd5oUXNK/0Y3dk1q/0Xjzo+tmgtKs/PT fcgZKQSIMZkDd3SGw1lvFqp8s8Lwo6pFjj5PKsFSnRNJmbubH8I+mgJPCWX/DWWJqH+Sx6coWBl72 WlupGnEv3nUcvAji7d2kcStLOhp6V2ue/uKZXQHidtc1t+O+3Am9lB6BDYAMLrYS8PQuB62BC0Jnb HojnvcD3I0Fjk2DbNgcJnahvpCprn4S3MJQ0qJaOOkmLizhbAUJ+3frt/aAEwaJ4PsIKsXYzUTKNM bmIPQlVw==; Received: from [191.57.26.163] (helo=morissey..) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1s6Hf9-006v7c-CE; Mon, 13 May 2024 00:27:23 +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 v2 3/6] drm/v3d: Create a new V3D parameter for the maximum number of perfcnt Date: Sun, 12 May 2024 19:23:26 -0300 Message-ID: <20240512222655.2792754-4-mcanal@igalia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240512222655.2792754-1-mcanal@igalia.com> References: <20240512222655.2792754-1-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 Reviewed-by: Iago Toral Quiroga --- 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 {