[Intel-gfx] [PATCH] drm/i915: HDCP: fix Ri prime and R0 checks during auth
Oliver Barta
o.barta89 at gmail.com
Wed Mar 4 07:49:52 UTC 2020
From: Oliver Barta <oliver.barta at aptiv.com>
Including HDCP_STATUS_ENC bit in the checks is pointless.
It is simply not set at this point.
Signed-off-by: Oliver Barta <oliver.barta at aptiv.com>
Fixes: ee5e5e7a5e0f ("drm/i915: Add HDCP framework + base implementation")
---
drivers/gpu/drm/i915/display/intel_hdcp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 229b4e329864..89d035da95e7 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -705,7 +705,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
/* Wait for R0 ready */
if (wait_for(intel_de_read(dev_priv, HDCP_STATUS(dev_priv, cpu_transcoder, port)) &
- (HDCP_STATUS_R0_READY | HDCP_STATUS_ENC), 1)) {
+ HDCP_STATUS_R0_READY, 1)) {
DRM_ERROR("Timed out waiting for R0 ready\n");
return -ETIMEDOUT;
}
@@ -738,7 +738,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
/* Wait for Ri prime match */
if (!wait_for(intel_de_read(dev_priv, HDCP_STATUS(dev_priv, cpu_transcoder, port)) &
- (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC), 1))
+ HDCP_STATUS_RI_MATCH, 1))
break;
}
--
2.20.1
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