From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A410B70838 for ; Wed, 14 May 2025 08:39:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747212000; cv=none; b=ZJvqOv/SoypHgc5ejYRq4LnmJ5fIzQszU/DzOLOzgRBn2sLxl2+RGAxxea1lb2Ypyr2pygEoE4eu4RnX8J31rOMsZ0gPlyYSZ9pOuJnJUnBaikCrvarwExCNMATxW5Xv+tG4ITE8VIX0bzI7fSvHINH5Z4xXHiPkbWgWY/acO3c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747212000; c=relaxed/simple; bh=7IBu6SqoOaixh4a2E5UhMsl0v0l4ryM3zDotZ/2zmxc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=ZEpkrRNVUkvRpPPwbBQrh34EnJ4pU5X1K7WXxew0sw5WPov2JqjxUFjRMZ2igmE6KjFIj4BxXpC7X+5c8Dsbd0spAv9qvmOTcJ1i7i/sKTErEl2F6KG9WGl6GONZrRp7ZcMQRhMoTcthLQAOojXzEZHcDdf8w6rgTSkCCLnXRsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=NnuqKWQh; arc=none smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="NnuqKWQh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747211998; x=1778747998; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=7IBu6SqoOaixh4a2E5UhMsl0v0l4ryM3zDotZ/2zmxc=; b=NnuqKWQhLSRJhU9HrhxpJBU+og/Htmb4wThDKzn3RPlWbYSNJAkBhCPD wcgiZ+CMuWVJsDvB4MT5zaEIroDs21VkLqiLa3codBbVfekGXNFK028gb GrBM4esRIHj6B/T3p5u5ThkDwOEd6tBVAzlTRMxv0Y1XEDXWktEsJsYgV xkOgeUvA97w5o7wxg3yKj4DgpX21B6/rcSx3hh13k87CuKwxemb3kDKPy mPLFn66sffQdE7+xBC6EjGeo6pmDRutvGDfwUpISx3QFVX5+GlL1ijzxt z4a/iyT34fbCgWA6lOfFRJHJfEgkzlQ1pZcEQqrTplzXOavmTfT3kQij7 A==; X-CSE-ConnectionGUID: L1KVlgTSSN+BS1hpLhztEg== X-CSE-MsgGUID: Miyde0CPSkS5Ar8kkpqHCg== X-IronPort-AV: E=McAfee;i="6700,10204,11432"; a="48964633" X-IronPort-AV: E=Sophos;i="6.15,287,1739865600"; d="scan'208";a="48964633" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2025 01:39:58 -0700 X-CSE-ConnectionGUID: fkoVliQkTt+1gp7aIeKD2g== X-CSE-MsgGUID: 8yaHo7RnTMuc0hUxCalqWw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,287,1739865600"; d="scan'208";a="142913537" Received: from bergbenj-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.245.180]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2025 01:39:52 -0700 From: Jani Nikula To: "feijuan.li" , jingoohan1@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: feijuan.li@samsung.com, hongfei.tang@samsung.com, minggui.yan@samsung.com, qilin.wang@samsung.com Subject: Re: [PATCH v3] drm/edid: fixed the bug that hdr metadata was not reset In-Reply-To: <20250514063511.4151780-1-feijuan.li@samsung.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20250514063511.4151780-1-feijuan.li@samsung.com> Date: Wed, 14 May 2025 11:39:49 +0300 Message-ID: <878qmzio16.fsf@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, 14 May 2025, "feijuan.li" wrote: > When DP connected to a device with HDR capability, > the hdr structure was filled.Then connected to another > sink device without hdr capability, but the hdr info > still exist. > > Signed-off-by: feijuan.li Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/drm_edid.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c > index 13bc4c290b17..9edb3247c767 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -6596,6 +6596,7 @@ static void drm_reset_display_info(struct drm_connector *connector) > info->has_hdmi_infoframe = false; > info->rgb_quant_range_selectable = false; > memset(&info->hdmi, 0, sizeof(info->hdmi)); > + memset(&connector->hdr_sink_metadata, 0, sizeof(connector->hdr_sink_metadata)); > > info->edid_hdmi_rgb444_dc_modes = 0; > info->edid_hdmi_ycbcr444_dc_modes = 0; -- Jani Nikula, Intel