From patchwork Tue Jan 8 09:11:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10751633 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 61C1813B5 for ; Tue, 8 Jan 2019 08:50:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 52497287D3 for ; Tue, 8 Jan 2019 08:50:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 46D5C28B7F; Tue, 8 Jan 2019 08:50:12 +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=unavailable 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 0D2F9287D3 for ; Tue, 8 Jan 2019 08:50:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D52EB6EED5; Tue, 8 Jan 2019 08:49:23 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 73A9A6EEC7; Tue, 8 Jan 2019 08:49:03 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2019 00:49:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,453,1539673200"; d="scan'208";a="113019086" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.28]) by fmsmga007.fm.intel.com with ESMTP; 08 Jan 2019 00:49:00 -0800 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [v4 08/12] drm/i915: Write HDR infoframe and send to panel Date: Tue, 8 Jan 2019 14:41:23 +0530 Message-Id: <1546938687-27306-9-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1546938687-27306-1-git-send-email-uma.shankar@intel.com> References: <1546938687-27306-1-git-send-email-uma.shankar@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ville.syrjala@intel.com, emil.l.velikov@gmail.com, Uma Shankar , maarten.lankhorst@intel.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Enable writing of HDR metadata infoframe to panel. The data will be provid by usersapace compositors, based on blending policies and passsed to driver through a blob property. v2: Rebase v3: Fixed a warning message v4: Addressed Shashank's review comments Signed-off-by: Uma Shankar --- drivers/gpu/drm/i915/intel_hdmi.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 4adda61..8f2be2b 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -475,6 +475,30 @@ static void intel_write_infoframe(struct intel_encoder *encoder, frame->any.type, buffer, len); } +/* Set Dynamic Range and Mastering Infoframe */ +static void intel_hdmi_set_drm_infoframe(struct intel_encoder *encoder, + const struct intel_crtc_state + *crtc_state, + const struct drm_connector_state + *conn_state) +{ + union hdmi_infoframe frame; + struct hdr_static_metadata *hdr_metadata; + int ret; + + hdr_metadata = (struct hdr_static_metadata *) + conn_state->hdr_output_metadata_blob_ptr->data; + + ret = drm_hdmi_infoframe_set_hdr_metadata(&frame.drm, hdr_metadata); + if (ret < 0) { + DRM_ERROR("couldn't set HDR metadata in infoframe\n"); + return; + } + + /* Todo: Need to extend support for LSPCON devices as well */ + intel_write_infoframe(encoder, crtc_state, &frame); +} + static void intel_hdmi_set_avi_infoframe(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) @@ -883,6 +907,10 @@ static void hsw_set_infoframes(struct intel_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, crtc_state, conn_state); intel_hdmi_set_spd_infoframe(encoder, crtc_state); intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); + + /* Set Dynamic Range and Mastering Infoframe if supported and changed */ + if (conn_state->hdr_metadata_changed) + intel_hdmi_set_drm_infoframe(encoder, crtc_state, conn_state); } void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable)