evie/android_kernel_oneplus_msm8998
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Merge "drm/msm: fix zero device count HDCP repeater test cases"

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Linux Build Service Account 2017-09-25 20:52:54 -07:00 • committed by Gerrit - the friendly Code Review server
commit b56464c7cb
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/msm/sde_hdcp_1x.c
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@ -1201,9 +1201,16 @@ static int sde_hdcp_1x_authentication_part2(struct sde_hdcp_1x *hdcp)
if (rc)
goto error;
/* do not proceed further if no device connected */
if (!hdcp->current_tp.dev_count)
/*
* Do not proceed further if no device connected
* If no downstream devices are attached to the repeater
* then part II fails.
*/
if (!hdcp->current_tp.dev_count) {
rc = -EINVAL;
goto error;
}
rc = sde_hdcp_1x_write_ksv_fifo(hdcp);
} while (--v_retry && rc);