From 84ff5895399c01be49620c0fa2ac04d2715a2e00 Mon Sep 17 00:00:00 2001
From: Dominik Kaszewski <dominik.kaszewski@amd.com>
Date: Thu, 13 Mar 2025 09:52:31 +0100
Subject: [PATCH] drm/amdgpu: Add debug masks for HDCP LC FW testing
HDCP Locality Check is being moved to FW, add debug flags to control
its behavior in existing hardware for validation purposes.
Signed-off-by: Dominik Kaszewski <dominik.kaszewski@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/include/amd_shared.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 485b713cfad0a..4c95b885d1d00 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -358,6 +358,18 @@ enum DC_DEBUG_MASK {
* @DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE: If set, disable support for custom brightness curves
*/
DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE = 0x40000,
+
+ /**
+ * @DC_HDCP_LC_FORCE_FW_ENABLE: If set, use HDCP Locality Check FW
+ * path regardless of reported HW capabilities.
+ */
+ DC_HDCP_LC_FORCE_FW_ENABLE = 0x80000,
+
+ /**
+ * @DC_HDCP_LC_ENABLE_SW_FALLBACK If set, upon HDCP Locality Check FW
+ * path failure, retry using legacy SW path.
+ */
+ DC_HDCP_LC_ENABLE_SW_FALLBACK = 0x100000,
};
enum amd_dpm_forced_level;
--
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