From patchwork Mon Nov 7 07:20:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13033900 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 27DF8C4332F for ; Mon, 7 Nov 2022 07:21:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 514F410E222; Mon, 7 Nov 2022 07:21:01 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 58B4110E222; Mon, 7 Nov 2022 07:20:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667805639; x=1699341639; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5LujnC3Xnql//DHLTNlF4c2pcaIPaA+AMRBQAw/eS9U=; b=XMw8cUcQwq73OkKEJC263XEj/zfPE3XDA7pexeONhfV1hGleD/M1LrHX 5KQ0+urh/mUcrS2OVOkJ798sbl/nGxzrppUfrCNZ8i0Y9PwZdis6A/Dwp /t7+gIsg0NRQbi4ts8uvZfqCI6Dj1VYdjZCj0yY0OWA5TjJjzYsizE1eW whn7revF7U7hMXzCdn0T9ZWVbhmK7OkcJwrzUavPfIJFtgyqAVtBUSzkl nL97voX4l5lF7YkUpRj+fSdSnAexLMrrO59WMYIBt2J4Tj8lj8v17Z7gB +euzRDGirD5ZYJr2HVo/jDw4AlYqaM58AKo7olhxs+E1+RoEpCzqK3GCt Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="372463391" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="372463391" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:20:38 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="704767290" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="704767290" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:20:36 -0800 From: Ankit Nautiyal To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [RFC 12/15] drm/i915/display/mtl: Reset FRL Transcoder config while disabling HDMI Date: Mon, 7 Nov 2022 12:50:42 +0530 Message-Id: <20221107072045.628895-13-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221107072045.628895-1-ankit.k.nautiyal@intel.com> References: <20221107072045.628895-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vandita.kulkarni@intel.com, uma.shankar@intel.com, mika.kahola@intel.com, radhakrishna.sripada@intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" While disabling HDMI, reset the FRL transcoder config if FRL mode was used. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_ddi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 5e2e4c78c564..cb0d19b6ee56 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -2667,6 +2667,8 @@ static void intel_ddi_post_disable_hdmi(struct intel_atomic_state *state, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct intel_hdmi *intel_hdmi = &dig_port->hdmi; + enum transcoder hdmi_transcoder; + u8 buf; dig_port->set_infoframes(encoder, false, old_crtc_state, old_conn_state); @@ -2679,6 +2681,16 @@ static void intel_ddi_post_disable_hdmi(struct intel_atomic_state *state, if (DISPLAY_VER(dev_priv) >= 12) intel_ddi_disable_pipe_clock(old_crtc_state); + if (old_crtc_state->frl.enable) { + hdmi_transcoder = old_crtc_state->cpu_transcoder; + buf = intel_de_read(dev_priv, + TRANS_HDMI_FRL_CFG(hdmi_transcoder)); + buf &= ~(TRANS_HDMI_FRL_ENABLE | TRANS_HDMI_FRL_TRAINING_COMPLETE); + + intel_de_write(dev_priv, + TRANS_HDMI_FRL_CFG(hdmi_transcoder), buf); + } + intel_display_power_put(dev_priv, dig_port->ddi_io_power_domain, fetch_and_zero(&dig_port->ddi_io_wakeref));