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    Subject[PATCH 5.19 0318/1157] drm/edid: reset display info in drm_add_edid_modes() for NULL edid
    Date
    From: Jani Nikula <jani.nikula@intel.com>

    [ Upstream commit d10f7117aa43b0b0d1c4b878afafb6d151da441d ]

    If a NULL edid gets passed to drm_add_edid_modes(), we should probably
    also reset the display info.

    Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
    Signed-off-by: Jani Nikula <jani.nikula@intel.com>
    Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
    Link: https://patchwork.freedesktop.org/patch/msgid/2ac1c55f94a08d5e72c0b518d956a11002ec85c1.1651569697.git.jani.nikula@intel.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 bc43e1b32092..1dea0e2f0cab 100644
    --- a/drivers/gpu/drm/drm_edid.c
    +++ b/drivers/gpu/drm/drm_edid.c
    @@ -5697,6 +5697,7 @@ static int drm_edid_connector_update(struct drm_connector *connector,
    u32 quirks;

    if (edid == NULL) {
    + drm_reset_display_info(connector);
    clear_eld(connector);
    return 0;
    }
    --
    2.35.1


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