From: Colin Ian King colin.king@canonical.com
Currently when there are other connectors on the port using HDCP the function _intel_hdcp_disable returns a garbage uninitialized value in variable ret. I believe the intention is to return 0, so return this literal value instead of the value in ret.
Addresses-Coverity: ("Uninitialized scalar return") Fixes: 899c8762f981 ("drm/i915/hdcp: Configure HDCP2.2 MST steram encryption status") Signed-off-by: Colin Ian King colin.king@canonical.com --- drivers/gpu/drm/i915/display/intel_hdcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index db8dff2eeb0a..a0e7b0bf892b 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -883,7 +883,7 @@ static int _intel_hdcp_disable(struct intel_connector *connector) * until it disabled HDCP encryption for all connectors in MST topology. */ if (dig_port->num_hdcp_streams > 0) - return ret; + return 0;
hdcp->hdcp_encrypted = false; intel_de_write(dev_priv, HDCP_CONF(dev_priv, cpu_transcoder, port), 0);
On Fri, 22 Jan 2021, Colin King colin.king@canonical.com wrote:
Thanks, but there's already a fix in progress:
http://lore.kernel.org/r/20210119064655.1605-3-anshuman.gupta@intel.com
BR, Jani.
It is already merged to drm-intel-next https://cgit.freedesktop.org/drm/drm-intel/commit/?h=drm-intel-next&id=4...
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