From patchwork Mon Sep 14 21:00:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 11774823 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 ECBD26CA for ; Mon, 14 Sep 2020 20:25:13 +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 CA6C5215A4 for ; Mon, 14 Sep 2020 20:25:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA6C5215A4 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 4CBDC6E591; Mon, 14 Sep 2020 20:25:13 +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 34D206E58B for ; Mon, 14 Sep 2020 20:25:11 +0000 (UTC) IronPort-SDR: b5AUq56UQ1W5bAlLphGKwTZlCQzYrGeMMYt99OORah2H0lRgfwSvV6Noo1+k7l0BclDDnITU4E 1QaaZHUrFirA== X-IronPort-AV: E=McAfee;i="6000,8403,9744"; a="223340803" X-IronPort-AV: E=Sophos;i="5.76,427,1592895600"; d="scan'208";a="223340803" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2020 13:25:11 -0700 IronPort-SDR: rsLxfOalqpMnI0s5+gNanZ6WkNOeOdOr5dFV6IhUgNcgeKDMs1v2T11ELzHJ63mWyqD1L1IdLI x9yS0U6F2TAQ== X-IronPort-AV: E=Sophos;i="5.76,427,1592895600"; d="scan'208";a="306307156" Received: from unknown (HELO linux-desktop.iind.intel.com) ([10.223.34.173]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2020 13:25:09 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org Date: Tue, 15 Sep 2020 02:30:43 +0530 Message-Id: <20200914210047.11972-8-uma.shankar@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200914210047.11972-1-uma.shankar@intel.com> References: <20200914210047.11972-1-uma.shankar@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [v6 07/11] drm/i915/display: Implement DRM infoframe read for LSPCON X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Implement Read back of HDR metadata infoframes i.e Dynamic Range and Mastering Infoframe for LSPCON devices. v2: Added proper bitmask of enabled infoframes as per Ville's recommendation. Signed-off-by: Uma Shankar --- drivers/gpu/drm/i915/display/intel_hdmi.c | 10 ++++++++++ drivers/gpu/drm/i915/display/intel_lspcon.c | 6 +++++- drivers/gpu/drm/i915/display/intel_lspcon.h | 4 ++++ 3 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 1e40ed473fb9..02b0b5921bed 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -600,6 +600,16 @@ void lspcon_drm_write_infoframe(struct intel_encoder *encoder, hsw_write_infoframe(encoder, crtc_state, type, frame, len); } +void lspcon_drm_read_infoframe(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + unsigned int type, + void *frame, ssize_t len) +{ + drm_dbg_kms(encoder->base.dev, "Read HDR metadata for lspcon\n"); + /* It uses the legacy hsw implementation for the same */ + hsw_read_infoframe(encoder, crtc_state, type, frame, len); +} + static const u8 infoframe_type_to_idx[] = { HDMI_PACKET_TYPE_GENERAL_CONTROL, HDMI_PACKET_TYPE_GAMUT_METADATA, diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c index 565913b8e656..ee77a5381cb5 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.c +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c @@ -501,7 +501,11 @@ void lspcon_read_infoframe(struct intel_encoder *encoder, unsigned int type, void *frame, ssize_t len) { - /* FIXME implement this */ + /* FIXME implement for AVI Infoframe as well */ + if (type == HDMI_PACKET_TYPE_GAMUT_METADATA) + lspcon_drm_read_infoframe(encoder, crtc_state, + HDMI_PACKET_TYPE_GAMUT_METADATA, + frame, VIDEO_DIP_DATA_SIZE); } /* HDMI HDR Colorspace Spec Definitions */ diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h index 3fac05535731..1b9fb531128e 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.h +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h @@ -38,4 +38,8 @@ void lspcon_drm_write_infoframe(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, unsigned int type, const void *frame, ssize_t len); +void lspcon_drm_read_infoframe(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + unsigned int type, + void *frame, ssize_t len); #endif /* __INTEL_LSPCON_H__ */