linux-kernel - Re: [PATCH v3] drm/edid: fixed the bug that hdr metadata was not reset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <87r00kvsan.fsf@intel.com>
Date: Mon, 19 May 2025 12:55:12 +0300
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: "feijuan.li" <feijuan.li@...sung.com>, jingoohan1@...il.com,
 maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
 tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: feijuan.li@...sung.com, hongfei.tang@...sung.com,
 minggui.yan@...sung.com, qilin.wang@...sung.com
Subject: Re: [PATCH v3] drm/edid: fixed the bug that hdr metadata was not reset

On Wed, 14 May 2025, Jani Nikula <jani.nikula@...ux.intel.com> wrote:
> On Wed, 14 May 2025, "feijuan.li" <feijuan.li@...sung.com> 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 <feijuan.li@...sung.com>
>
> Reviewed-by: Jani Nikula <jani.nikula@...el.com>

And pushed to drm-misc-fixes, with

Fixes: e85959d6cbe0 ("drm: Parse HDR metadata info from EDID")
Cc: <stable@...r.kernel.org> # v5.3+

Thanks for the patch.

BR,
Jani.


>
>
>> ---
>>  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