From patchwork Thu Aug 24 13:46:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 13364209 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 79204C6FA8F for ; Thu, 24 Aug 2023 13:46:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5505D10E557; Thu, 24 Aug 2023 13:46:39 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6105610E55F; Thu, 24 Aug 2023 13:46:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692884796; x=1724420796; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=P0O6G2/CrFNJpKPpSGKj5tREVyfb3wwBr12VCvepkEQ=; b=IdQJ/zrJ1JInk9kOWgHExrzNYH4D5H+7giqehxr2qUjnMhnbnHEOyfnn d1jTTNOgI8Hvso5mqAHo4cIKJ+mhUx0zjsuCmH83Ac2H+QF9e7Fk5M4hx nPnbQPMYsVUIvaQ/KmpcINsP0xkvmMbzLVTt3FjPcJmfifVIjwfrNNmlS 7kUtGH8OzIPHI2RBCy0Y7eKbR7jcDhGOcAKuO82+3XxLZg2s0d7SSv63X 7DrVn/rqH6H44P8NlNN6xtUO2ZXFc3g6mV0thwEzITaRaCWNCaaMwhmjL BY1vrktPrGDax+7G+jLU7c5PDY5SLbbaId4B6VWs7hV/SDiCOz+pf4Xxr Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10812"; a="354773272" X-IronPort-AV: E=Sophos;i="6.02,195,1688454000"; d="scan'208";a="354773272" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2023 06:46:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10812"; a="983706495" X-IronPort-AV: E=Sophos;i="6.02,195,1688454000"; d="scan'208";a="983706495" Received: from jnikula-mobl4.fi.intel.com (HELO localhost) ([10.237.66.162]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2023 06:46:33 -0700 From: Jani Nikula To: dri-devel@lists.freedesktop.org Date: Thu, 24 Aug 2023 16:46:05 +0300 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH 4/6] drm/cec: add drm_dp_cec_attach() as the non-edid version of set edid 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: , Cc: Hans Verkuil , Jani Nikula , intel-gfx@lists.freedesktop.org, linux-media@vger.kernel.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Connectors have source physical address available in display info. There's no need to parse the EDID again for this. Add drm_dp_cec_attach() to do this. Seems like the set_edid/unset_edid naming is a bit specific now that there's no need to pass the EDID at all, so aim for attach/detach going forward. Cc: Hans Verkuil Cc: linux-media@vger.kernel.org Signed-off-by: Jani Nikula --- drivers/gpu/drm/display/drm_dp_cec.c | 22 +++++++++++++++++++--- include/drm/display/drm_dp_helper.h | 6 ++++++ 2 files changed, 25 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dp_cec.c b/drivers/gpu/drm/display/drm_dp_cec.c index ae39dc794190..da7a7d357446 100644 --- a/drivers/gpu/drm/display/drm_dp_cec.c +++ b/drivers/gpu/drm/display/drm_dp_cec.c @@ -297,7 +297,7 @@ static void drm_dp_cec_unregister_work(struct work_struct *work) * were unchanged and just update the CEC physical address. Otherwise * unregister the old CEC adapter and create a new one. */ -void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) +void drm_dp_cec_attach(struct drm_dp_aux *aux, u16 source_physical_address) { struct drm_connector *connector = aux->cec.connector; u32 cec_caps = CEC_CAP_DEFAULTS | CEC_CAP_NEEDS_HPD | @@ -339,7 +339,7 @@ void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) if (aux->cec.adap->capabilities == cec_caps && aux->cec.adap->available_log_addrs == num_las) { /* Unchanged, so just set the phys addr */ - cec_s_phys_addr_from_edid(aux->cec.adap, edid); + cec_s_phys_addr(adap, source_physical_address, false); goto unlock; } /* @@ -370,11 +370,27 @@ void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) * from drm_dp_cec_register_connector() edid == NULL, so in * that case the phys addr is just invalidated. */ - cec_s_phys_addr_from_edid(aux->cec.adap, edid); + cec_s_phys_addr(adap, source_physical_address, false); } unlock: mutex_unlock(&aux->cec.lock); } +EXPORT_SYMBOL(drm_dp_cec_attach); + +/* + * Note: Prefer calling drm_dp_cec_attach() with + * connector->display_info.source_physical_address if possible. + */ +void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) +{ + u16 source_physical_address = CEC_PHYS_ADDR_INVALID; + + if (edid && edid->extensions) + pa = cec_get_edid_phys_addr((const u8 *)edid, + EDID_LENGTH * (edid->extensions + 1), NULL); + + drm_dp_cec_attach(aux, source_physical_address); +} EXPORT_SYMBOL(drm_dp_cec_set_edid); /* diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index 86f24a759268..3369104e2d25 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -699,6 +699,7 @@ void drm_dp_cec_irq(struct drm_dp_aux *aux); void drm_dp_cec_register_connector(struct drm_dp_aux *aux, struct drm_connector *connector); void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux); +void drm_dp_cec_attach(struct drm_dp_aux *aux, u16 source_physical_address); void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid); void drm_dp_cec_unset_edid(struct drm_dp_aux *aux); #else @@ -716,6 +717,11 @@ static inline void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux) { } +static inline void drm_dp_cec_attach(struct drm_dp_aux *aux, + u16 source_physical_address) +{ +} + static inline void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) {