From patchwork Sun Sep 22 17:08:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 11155913 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 491481745 for ; Sun, 22 Sep 2019 17:06:55 +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 30932206C2 for ; Sun, 22 Sep 2019 17:06:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30932206C2 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 7EC406E85C; Sun, 22 Sep 2019 17:06:54 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id DDFDA6E853 for ; Sun, 22 Sep 2019 17:06:46 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Sep 2019 10:06:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,537,1559545200"; d="scan'208";a="389235853" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.49]) by fmsmga006.fm.intel.com with ESMTP; 22 Sep 2019 10:06:46 -0700 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Sun, 22 Sep 2019 10:08:06 -0700 Message-Id: <20190922170807.12436-5-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190922170807.12436-1-manasi.d.navare@intel.com> References: <20190922170807.12436-1-manasi.d.navare@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 5/6] drm/i915/display/icl: Disable transcoder port sync as part of crtc_disable() sequence 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" This clears the transcoder port sync bits of the TRANS_DDI_FUNC_CTL2 register during crtc_disable(). v2: * Directly write the trans_port_sync reg value (Maarten) Cc: Ville Syrjälä Cc: Maarten Lankhorst Cc: Matt Roper Cc: Jani Nikula Signed-off-by: Manasi Navare Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/i915/display/intel_display.c | 22 ++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 10425a789b5e..af932054b5f4 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -4469,6 +4469,25 @@ static void icl_enable_trans_port_sync(const struct intel_crtc_state *crtc_state trans_ddi_func_ctl2_val); } +static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + i915_reg_t reg; + u32 trans_ddi_func_ctl2_val; + + if (old_crtc_state->master_transcoder == INVALID_TRANSCODER) + return; + + DRM_DEBUG_KMS("Disabling Transcoder Port Sync on Slave Transcoder %s\n", + transcoder_name(old_crtc_state->cpu_transcoder)); + + reg = TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder); + trans_ddi_func_ctl2_val = ~(PORT_SYNC_MODE_ENABLE | + PORT_SYNC_MODE_MASTER_SELECT_MASK); + I915_WRITE(reg, trans_ddi_func_ctl2_val); +} + static void intel_update_pipe_config(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { @@ -6718,6 +6737,9 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state, if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST)) intel_ddi_set_vc_payload_alloc(old_crtc_state, false); + if (INTEL_GEN(dev_priv) >= 11) + icl_disable_transcoder_port_sync(old_crtc_state); + if (!transcoder_is_dsi(cpu_transcoder)) intel_ddi_disable_transcoder_func(old_crtc_state);