On Wed, 14 May 2025, "feijuan.li" <feijuan...@samsung.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...@samsung.com>

Reviewed-by: Jani Nikula <jani.nik...@intel.com>


> ---
>  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

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