[PATCH 02/16] drm/amd/display: fix HDCP reset sequence on reinitialize

Wayne Lin Wayne.Lin at amd.com
Fri Apr 23 02:37:00 UTC 2021


From: Brandon Syu <Brandon.Syu at amd.com>

[why]
When setup is called after hdcp has already setup,
it would cause to disable HDCP flow won’t execute.

[how]
Don't clean up hdcp content to be 0.

Signed-off-by: Brandon Syu <Brandon.Syu at amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu at amd.com>
Acked-by: Wayne Lin <waynelin at amd.com>
---
 drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
index 68a6481d7f8f..b963226e8af4 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -260,7 +260,6 @@ enum mod_hdcp_status mod_hdcp_setup(struct mod_hdcp *hdcp,
 	struct mod_hdcp_output output;
 	enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
 
-	memset(hdcp, 0, sizeof(struct mod_hdcp));
 	memset(&output, 0, sizeof(output));
 	hdcp->config = *config;
 	HDCP_TOP_INTERFACE_TRACE(hdcp);
-- 
2.17.1



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