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authorHarmanprit Tatla <harmanprit.tatla@amd.com>2020-08-19 17:39:45 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-09-15 17:52:40 -0400
commit958000cb24cc2db5f3ce1c70b9ad2b3e20b73581 (patch)
treeb120538416a8c83e372900ceaadadb61e8e62f69 /drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
parent498563cf9ca00dc4ee389cf2729dae81417a144f (diff)
drm/amd/display: Add CP_IRQ clear capability
[Why] Currently we do not clear the CP_IRQ bit upon receiving it. [How] Added a function to clear CP_IRQ bit. Signed-off-by: Harmanprit Tatla <harmanprit.tatla@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c')
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
index e9fbd94f8635..a82975970e87 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -470,6 +470,15 @@ enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp,
if (reset_status != MOD_HDCP_STATUS_SUCCESS)
push_error_status(hdcp, reset_status);
}
+
+ /* Clear CP_IRQ status if needed */
+ if (event_ctx.event == MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx.unexpected_event == 0) {
+ status = mod_hdcp_clear_cp_irq_status(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+ }
+
return status;
}