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 X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 292FBC433E7 for ; Mon, 12 Oct 2020 21:31:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id CBF502145D for ; Mon, 12 Oct 2020 21:31:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CBF502145D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 54DB86E7EF; Mon, 12 Oct 2020 21:31:01 +0000 (UTC) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id D9E266E7DD for ; Mon, 12 Oct 2020 21:30:55 +0000 (UTC) IronPort-SDR: OjNNM0lYspkhboE+xNRR3580/CCP5i411L0MedD+q9VHL4UnvV3oHWRAgCaMIcZN5gd2crJ4p/ O9A5JFKfZIcA== X-IronPort-AV: E=McAfee;i="6000,8403,9772"; a="163169618" X-IronPort-AV: E=Sophos;i="5.77,368,1596524400"; d="scan'208";a="163169618" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2020 14:30:55 -0700 IronPort-SDR: KVvilntGnsAVQ4bkG72/8QxqmJ99sitCEuyoVxkgm6h2EvU26pvqjdLcaG60SkCKhDIZSjKeCz 0cTsMTUBXqHA== X-IronPort-AV: E=Sophos;i="5.77,368,1596524400"; d="scan'208";a="463244975" Received: from lucas-s2600cw.jf.intel.com ([10.165.21.202]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2020 14:30:54 -0700 From: Lucas De Marchi To: intel-gfx@lists.freedesktop.org Date: Mon, 12 Oct 2020 14:29:45 -0700 Message-Id: <20201012212959.871513-2-lucas.demarchi@intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201012212959.871513-1-lucas.demarchi@intel.com> References: <20201012212959.871513-1-lucas.demarchi@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v7 01/15] drm/i915/display: allow to skip certain power wells 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Aditya Swarup This allows us to skip power wells on a platform allowing it to re-use the table from another one instead of having to create a new table from scratch that is basically a copy with a few removals. Cc: Imre Deak Suggested-by: Matt Roper Signed-off-by: Aditya Swarup [ Adapt to base ignore logic on pw id rather than adding a new field, as suggested by Imre ] Signed-off-by: Lucas De Marchi --- .../drm/i915/display/intel_display_power.c | 24 ++++++++++++++----- 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 7277e58b01f1..5b7f2b67791e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -4554,13 +4554,18 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv, static int __set_power_wells(struct i915_power_domains *power_domains, const struct i915_power_well_desc *power_well_descs, - int power_well_count) + int power_well_descs_sz, u64 skip_mask) { struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); u64 power_well_ids = 0; - int i; + int power_well_count = 0; + int i, plt_idx = 0; + + for (i = 0; i < power_well_descs_sz; i++) + if (!(BIT_ULL(power_well_descs[i].id) & skip_mask)) + power_well_count++; power_domains->power_well_count = power_well_count; power_domains->power_wells = @@ -4570,10 +4575,14 @@ __set_power_wells(struct i915_power_domains *power_domains, if (!power_domains->power_wells) return -ENOMEM; - for (i = 0; i < power_well_count; i++) { + for (i = 0; i < power_well_descs_sz; i++) { enum i915_power_well_id id = power_well_descs[i].id; - power_domains->power_wells[i].desc = &power_well_descs[i]; + if (BIT_ULL(id) & skip_mask) + continue; + + power_domains->power_wells[plt_idx++].desc = + &power_well_descs[i]; if (id == DISP_PW_ID_NONE) continue; @@ -4586,9 +4595,12 @@ __set_power_wells(struct i915_power_domains *power_domains, return 0; } -#define set_power_wells(power_domains, __power_well_descs) \ +#define set_power_wells_mask(power_domains, __power_well_descs, skip_mask) \ __set_power_wells(power_domains, __power_well_descs, \ - ARRAY_SIZE(__power_well_descs)) + ARRAY_SIZE(__power_well_descs), skip_mask) + +#define set_power_wells(power_domains, __power_well_descs) \ + set_power_wells_mask(power_domains, __power_well_descs, 0) /** * intel_power_domains_init - initializes the power domain structures -- 2.28.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx