From patchwork Wed Aug 8 12:15:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chauhan, Madhav" X-Patchwork-Id: 10559899 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 EA71C13AC for ; Wed, 8 Aug 2018 12:26:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D987E2AAA7 for ; Wed, 8 Aug 2018 12:26:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CDE1F2AAB7; Wed, 8 Aug 2018 12:26:29 +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 8D7E22AAA7 for ; Wed, 8 Aug 2018 12:26:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 509A76E555; Wed, 8 Aug 2018 12:26:27 +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 C74456E543 for ; Wed, 8 Aug 2018 12:26:22 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Aug 2018 05:26:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,457,1526367600"; d="scan'208";a="63520854" Received: from madhav-desktop.iind.intel.com ([10.223.25.13]) by orsmga008.jf.intel.com with ESMTP; 08 Aug 2018 05:26:08 -0700 From: Madhav Chauhan To: intel-gfx@lists.freedesktop.org Date: Wed, 8 Aug 2018 17:45:54 +0530 Message-Id: <1533730559-461-8-git-send-email-madhav.chauhan@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1533730559-461-1-git-send-email-madhav.chauhan@intel.com> References: <1533730559-461-1-git-send-email-madhav.chauhan@intel.com> Subject: [Intel-gfx] [PATCH 07/12] drm/i915/icl: Configure TE interrupts for DSI 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@intel.com, vandita.kulkarni@intel.com, rodrigo.vivi@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP This patch implements a helper function for enabling or disabling TE interrupts. Signed-off-by: Madhav Chauhan --- drivers/gpu/drm/i915/icl_dsi.c | 20 ++++++++++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 2 ++ 2 files changed, 22 insertions(+) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index bf7ad5e..0ae62a1 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -46,6 +46,26 @@ struct intel_encoder *gen11_dsi_find_cmd_mode_encoder(struct intel_crtc *crtc) return NULL; } +void gen11_dsi_configure_te_interrupt(struct intel_encoder *encoder, + bool enable) +{ + struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + u32 tmp; + enum port port; + + for_each_dsi_port(port, intel_dsi->ports) { + tmp = I915_READ(GEN8_DE_PORT_IMR); + if (enable) + tmp |= (port == PORT_A ? ICL_DSI0_TE : ICL_DSI1_TE); + else + tmp &= (port == PORT_A ? ~ICL_DSI0_TE : ~ICL_DSI1_TE); + + I915_WRITE(GEN8_DE_PORT_IMR, tmp); + POSTING_READ(GEN8_DE_PORT_IMR); + } +} + static void wait_for_dsi_hdr_credit_release(struct intel_dsi *intel_dsi, enum transcoder dsi_trans) { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 7dadfc1..e39f812 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1757,6 +1757,8 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv); /* icl_dsi.c */ void intel_gen11_dsi_init(struct drm_i915_private *dev_priv); struct intel_encoder *gen11_dsi_find_cmd_mode_encoder(struct intel_crtc *crtc); +void gen11_dsi_configure_te_interrupt(struct intel_encoder *encoder, + bool enable); /* intel_dsi_dcs_backlight.c */ int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector);