[PATCH] drm/i915: Restore HDCP DRM_INFO when with no downstream

Sean Paul seanpaul at chromium.org
Mon Jan 22 17:55:00 UTC 2018


The commit below returned earlier than before, but failed to move the
info message when authenticating without downstream devices. This patch
restores the message on authentication success.

Fixes: 87eb3ec818fa ("drm/i915: II stage HDCP auth for repeater only")
Cc: Ramalingam C <ramalingam.c at intel.com>
Cc: Sean Paul <seanpaul at chromium.org>
Cc: Jani Nikula <jani.nikula at linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: intel-gfx at lists.freedesktop.org
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 drivers/gpu/drm/i915/intel_hdcp.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_hdcp.c b/drivers/gpu/drm/i915/intel_hdcp.c
index db9527173a1e..dd7dffd405d5 100644
--- a/drivers/gpu/drm/i915/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/intel_hdcp.c
@@ -168,10 +168,8 @@ int intel_hdcp_auth_downstream(struct intel_digital_port *intel_dig_port,
 
 	/* If there are no downstream devices, we're all done. */
 	num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]);
-	if (num_downstream == 0) {
-		DRM_INFO("HDCP is enabled (no downstream devices)\n");
+	if (num_downstream == 0)
 		return 0;
-	}
 
 	ksv_fifo = kzalloc(num_downstream * DRM_HDCP_KSV_LEN, GFP_KERNEL);
 	if (!ksv_fifo)
@@ -502,6 +500,7 @@ static int intel_hdcp_auth(struct intel_digital_port *intel_dig_port,
 	if (repeater_present)
 		return intel_hdcp_auth_downstream(intel_dig_port, shim);
 
+	DRM_INFO("HDCP is enabled (no downstream devices)\n");
 	return 0;
 }
 
-- 
2.16.0.rc1.238.g530d649a79-goog



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