From: Libin Yang <[email protected]> When disconnecting monitor, dev_priv->dig_port_map[port] will be set NULL, which causes eld will not be updated in i915_audio_component_get_eld().
This patch clears the eld buf when dev_priv->dig_port_map[port] is NULL. Signed-off-by: Libin Yang <[email protected]> --- drivers/gpu/drm/i915/intel_audio.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index fdc8b2a..9d3879e 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -732,6 +732,13 @@ static int i915_audio_component_get_eld(struct device *dev, int port, ret = drm_eld_size(eld); memcpy(buf, eld, min(max_bytes, ret)); } + } else { + /* dev_priv->dig_port_map[port] will be set NULL in + * intel_audio_codec_disable when disconnecting monitor. + * We need clear the eld buf. + */ + memset(buf, 0, max_bytes); + ret = 0; } mutex_unlock(&dev_priv->av_mutex); -- 1.9.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
