From patchwork Fri Oct 21 00:20:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 13014159 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 5F436C433FE for ; Fri, 21 Oct 2022 00:20:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5D36110E4D2; Fri, 21 Oct 2022 00:20:50 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id A1FFC10E543 for ; Fri, 21 Oct 2022 00:20:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666311627; x=1697847627; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u64W1jMbofIipCuBb3B+HtKT+/crWwMKBGWtM4HaFI4=; b=Nswt3LjE3t1ANuBJjOc8uxbOc7WEZ/WI1L2njrLDQeqgOqgcfqsgue5W K7QZWSOvV/lQmLoGXvypYXw1cL95W5lIqoCyaXpt+pLXGyNqwr3vXS+/P CMFn8enjDmh52WPpeXmXTYnOflew9WkHveMuEvbJmMtMQ/f6BFTNnrU5J 1tFq9f6mew20DJg6AMyFjL7BtHb8dux3qXP0DJ8ZKpbvegOJNiCiXFnNg 8MnhPEutBNYP3YRViUQ5lgul4KrpPPqiGwv2GLIRPAXfuHvIl4MRZ4trG 9RpMA3aSDbCwt+ka7I6KXdqHho80jNNMFrElb5QT7bbWXEafFnCdvtXLJ Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10506"; a="307971588" X-IronPort-AV: E=Sophos;i="5.95,200,1661842800"; d="scan'208";a="307971588" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2022 17:20:27 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10506"; a="805232159" X-IronPort-AV: E=Sophos;i="5.95,200,1661842800"; d="scan'208";a="805232159" Received: from aclausch-mobl.amr.corp.intel.com (HELO anushasr-mobl7.intel.com) ([10.212.253.196]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2022 17:20:26 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Thu, 20 Oct 2022 17:20:23 -0700 Message-Id: <20221021002024.390052-4-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221021002024.390052-1-anusha.srivatsa@intel.com> References: <20221021002024.390052-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/4] drm/i915/display: Move chunks of code out of bxt_set_cdclk() 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: Balasubramani Vivekanandan Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" No functional change. Moving segments out to simplify bxt_set_cdlck() Cc: Balasubramani Vivekanandan Cc: Ville Syrjälä Signed-off-by: Anusha Srivatsa --- drivers/gpu/drm/i915/display/intel_cdclk.c | 40 ++++++++++++++-------- 1 file changed, 25 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 45babbc6290f..8701796788e3 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1684,6 +1684,27 @@ static u32 cdclk_squash_waveform(struct drm_i915_private *dev_priv, return 0xffff; } +static void icl_cdclk_pll(struct drm_i915_private *i915, int vco) +{ + if (i915->display.cdclk.hw.vco != 0 && + i915->display.cdclk.hw.vco != vco) + icl_cdclk_pll_disable(i915); + + if (i915->display.cdclk.hw.vco != vco) + icl_cdclk_pll_enable(i915, vco); +} + +static void bxt_cdclk_pll(struct drm_i915_private *i915, int vco) +{ + if (i915->display.cdclk.hw.vco != 0 && + i915->display.cdclk.hw.vco != vco) + bxt_de_pll_disable(i915); + + if (i915->display.cdclk.hw.vco != vco) + bxt_de_pll_enable(i915, vco); + +} + static void bxt_set_cdclk(struct drm_i915_private *dev_priv, const struct intel_cdclk_config *cdclk_config, enum pipe pipe) @@ -1719,21 +1740,10 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv, if (HAS_CDCLK_CRAWL(dev_priv) && dev_priv->display.cdclk.hw.vco > 0 && vco > 0) { if (dev_priv->display.cdclk.hw.vco != vco) adlp_cdclk_pll_crawl(dev_priv, vco); - } else if (DISPLAY_VER(dev_priv) >= 11) { - if (dev_priv->display.cdclk.hw.vco != 0 && - dev_priv->display.cdclk.hw.vco != vco) - icl_cdclk_pll_disable(dev_priv); - - if (dev_priv->display.cdclk.hw.vco != vco) - icl_cdclk_pll_enable(dev_priv, vco); - } else { - if (dev_priv->display.cdclk.hw.vco != 0 && - dev_priv->display.cdclk.hw.vco != vco) - bxt_de_pll_disable(dev_priv); - - if (dev_priv->display.cdclk.hw.vco != vco) - bxt_de_pll_enable(dev_priv, vco); - } + } else if (DISPLAY_VER(dev_priv) >= 11) + icl_cdclk_pll(dev_priv, vco); + else + bxt_cdclk_pll(dev_priv, vco); waveform = cdclk_squash_waveform(dev_priv, cdclk);