[PATCH 4/5] drm/amd/display: fix backwards byte order in rx_caps.

Bhawanpreet Lakha Bhawanpreet.Lakha at amd.com
Thu Feb 6 21:14:24 UTC 2020


We were using incorrect byte order after we started using the drm_defines
So fix it.

Fixes: 02837a91ae75 ("drm/amd/display: add and use defines from drm_hdcp.h")
Signed-off-by: JinZe.Xu <JinZe.Xu at amd.com>
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu at amd.com>
---
 drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
index 432b2a016e56..340df6d406f9 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -46,8 +46,8 @@ static inline enum mod_hdcp_status check_hdcp2_capable(struct mod_hdcp *hdcp)
 	enum mod_hdcp_status status;
 
 	if (is_dp_hdcp(hdcp))
-		status = (hdcp->auth.msg.hdcp2.rxcaps_dp[2] & HDCP_2_2_RX_CAPS_VERSION_VAL) &&
-				HDCP_2_2_DP_HDCP_CAPABLE(hdcp->auth.msg.hdcp2.rxcaps_dp[0]) ?
+		status = (hdcp->auth.msg.hdcp2.rxcaps_dp[0] == HDCP_2_2_RX_CAPS_VERSION_VAL) &&
+				HDCP_2_2_DP_HDCP_CAPABLE(hdcp->auth.msg.hdcp2.rxcaps_dp[2]) ?
 				MOD_HDCP_STATUS_SUCCESS :
 				MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE;
 	else
-- 
2.17.1



More information about the amd-gfx mailing list