From patchwork Mon Oct 31 05:51:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alexander Usyskin X-Patchwork-Id: 13025407 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 1C305C38A02 for ; Mon, 31 Oct 2022 05:51:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9A66410E118; Mon, 31 Oct 2022 05:51:55 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id D534610E118 for ; Mon, 31 Oct 2022 05:51:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667195511; x=1698731511; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=DsF4EiJMHk7FMEzjIbyKLMyRWgQo6+NdSxTqPlfs1mA=; b=f2k+GSrbiPdxb6vsQnMiHTQIItpzO39PZxi5pSRTY84VdXT2UyafLxsv lwQrfqOSGICAf1JLdBj3TEfRynATUIOee8v2SN6rqewHXUUvxObfl1xtb F4Yy/BvyGm1GV2TaISiNh3Y4ea6Fc0SKXcpTD5O0wVsswyZZgl9VfqaRG 61oWJmmMLJuOBrgofly/DT6tw/ad+zSXVb4RERNEnbAl89vKzA4pvHCth dCkLnZPWyyU1PloULYIlWjzApHMLf5arNjF0D4pDqz0O8CQnRhS3f5vQf VLzElMbfSfQ6Pfc94K2DnhE8ohLftmE7txpcoGyZ4tq63JXxfjD7CNaNm Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10516"; a="370894986" X-IronPort-AV: E=Sophos;i="5.95,227,1661842800"; d="scan'208";a="370894986" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2022 22:51:50 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10516"; a="635929930" X-IronPort-AV: E=Sophos;i="5.95,227,1661842800"; d="scan'208";a="635929930" Received: from sannilnx.jer.intel.com ([10.12.26.175]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2022 22:51:47 -0700 From: Alexander Usyskin To: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , David Airlie , Daniel Vetter , Tvrtko Ursulin Date: Mon, 31 Oct 2022 07:51:17 +0200 Message-Id: <20221031055117.1043830-1-alexander.usyskin@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/gsc: Only initialize GSC in tile 0 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tomas Winkler , Alexander Usyskin , Vitaly Lubart , intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: José Roberto de Souza For multi-tile setups the GSC operational only on the tile 0. Skip GSC auxiliary device creation for all other tiles. Cc: Tomas Winkler Cc: Vitaly Lubart Signed-off-by: José Roberto de Souza Signed-off-by: Alexander Usyskin --- drivers/gpu/drm/i915/gt/intel_gt.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index 2e796ffad911..92ad8cd45ddb 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -456,7 +456,10 @@ void intel_gt_chipset_flush(struct intel_gt *gt) void intel_gt_driver_register(struct intel_gt *gt) { - intel_gsc_init(>->gsc, gt->i915); + if (gt->info.id == 0) + intel_gsc_init(>->gsc, gt->i915); + else + drm_dbg(>->i915->drm, "Not initializing gsc for remote tiles\n"); intel_rps_driver_register(>->rps); @@ -787,7 +790,8 @@ void intel_gt_driver_unregister(struct intel_gt *gt) intel_gt_sysfs_unregister(gt); intel_rps_driver_unregister(>->rps); - intel_gsc_fini(>->gsc); + if (gt->info.id == 0) + intel_gsc_fini(>->gsc); intel_pxp_fini(>->pxp);