From patchwork Tue Sep 1 14:11:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 7105421 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1A16B9F36E for ; Tue, 1 Sep 2015 13:45:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5D042205F3 for ; Tue, 1 Sep 2015 13:45:32 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 91C15205F2 for ; Tue, 1 Sep 2015 13:45:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1AC567209F; Tue, 1 Sep 2015 06:45:31 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 655417209F for ; Tue, 1 Sep 2015 06:45:29 -0700 (PDT) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP; 01 Sep 2015 06:45:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,449,1437462000"; d="scan'208";a="553059578" Received: from ubuntu-tc11.iind.intel.com ([10.223.26.30]) by FMSMGA003.fm.intel.com with ESMTP; 01 Sep 2015 06:45:27 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org Date: Tue, 1 Sep 2015 19:41:49 +0530 Message-Id: <1441116710-14118-14-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1441116710-14118-1-git-send-email-uma.shankar@intel.com> References: <1441116710-14118-1-git-send-email-uma.shankar@intel.com> Cc: jani.nikula@intel.com, shobhit.kumar@intel.com Subject: [Intel-gfx] [BXT MIPI PATCH v3 13/14] drm/i915/bxt: Remove DSP CLK_GATE programming for BXT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP DSP CLK_GATE registers are specific to BYT and CHT. Avoid programming the same for BXT platform. v2: Rebased on latest drm nightly branch. v3: Fixed Jani's review comments Signed-off-by: Uma Shankar Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/intel_dsi.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 6a0071f..08bade2 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -631,9 +631,11 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder) intel_dsi_clear_device_ready(encoder); - val = I915_READ(DSPCLK_GATE_D); - val &= ~DPOUNIT_CLOCK_GATE_DISABLE; - I915_WRITE(DSPCLK_GATE_D, val); + if (!IS_BROXTON(dev_priv->dev)) { + val = I915_READ(DSPCLK_GATE_D); + val &= ~DPOUNIT_CLOCK_GATE_DISABLE; + I915_WRITE(DSPCLK_GATE_D, val); + } drm_panel_unprepare(intel_dsi->panel);