From patchwork Mon Jul 1 06:26:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Manna, Animesh" X-Patchwork-Id: 11025091 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 0EA1C1580 for ; Mon, 1 Jul 2019 06:35:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 111781FFE6 for ; Mon, 1 Jul 2019 06:35:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 057CB20502; Mon, 1 Jul 2019 06:35:48 +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 BF6AB1FFE6 for ; Mon, 1 Jul 2019 06:35:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1C83989F5B; Mon, 1 Jul 2019 06:35:47 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7582589F53 for ; Mon, 1 Jul 2019 06:35:45 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jun 2019 23:34:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,437,1557212400"; d="scan'208";a="153988626" Received: from amanna.iind.intel.com ([10.223.74.216]) by orsmga007.jf.intel.com with ESMTP; 30 Jun 2019 23:34:04 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org Date: Mon, 1 Jul 2019 11:56:21 +0530 Message-Id: <20190701062632.456-5-animesh.manna@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190701062632.456-1-animesh.manna@intel.com> References: <20190701062632.456-1-animesh.manna@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 04/15] drm/i915/dsb: Added enum for reg write capability. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP DSB can access specific register, To identify those register which can be written through DSB, enum reg_write_cap is added to hold the capability. Cc: Jani Nikula Cc: Rodrigo Vivi Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/i915_reg.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 7e6009cefb18..b2e8349f3295 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -178,11 +178,22 @@ */ #define REG_FIELD_GET(__mask, __val) ((u32)FIELD_GET(__mask, __val)) +/* + * Added enum to hold the capability for those registers which can be written + * through DSB. + */ +enum reg_write_cap { + MMIO_WRITE, + DSB_WRITE, + DSB_INDEX_WRITE +}; + typedef struct { u32 reg; + enum reg_write_cap cap; } i915_reg_t; -#define _MMIO(r) ((const i915_reg_t){ .reg = (r) }) +#define _MMIO(r, ...) ((const i915_reg_t){ .reg = (r), ##__VA_ARGS__}) #define INVALID_MMIO_REG _MMIO(0)