drm/hisilicon: Features to support reading resolutions from EDID
Use drm_get_edid to get the resolution, if that fails, set it to a fixed resolution. Rewrite the desrtoy callback function to release resources. Signed-off-by:Tian Tao <tiantao6@hisilicon.com> Reviewed-by:
Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/1600778670-60370-3-git-send-email-tiantao6@hisilicon.com
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