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[AMD Official Use Only - AMD Internal Distribution Only]<br>
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Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com></div>
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--</div>
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Regards,</div>
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Jay<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Dominik Kaszewski <dominik.kaszewski@amd.com><br>
<b>Sent:</b> Thursday, March 13, 2025 4:52 AM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Pillai, Aurabindo <Aurabindo.Pillai@amd.com><br>
<b>Subject:</b> [PATCH] drm/amdgpu: Add debug masks for HDCP LC FW testing</font>
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<div class="PlainText">HDCP Locality Check is being moved to FW, add debug flags to control<br>
its behavior in existing hardware for validation purposes.<br>
<br>
Signed-off-by: Dominik Kaszewski <dominik.kaszewski@amd.com><br>
---<br>
drivers/gpu/drm/amd/include/amd_shared.h | 12 ++++++++++++<br>
1 file changed, 12 insertions(+)<br>
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diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h<br>
index 485b713cfad0..4c95b885d1d0 100644<br>
--- a/drivers/gpu/drm/amd/include/amd_shared.h<br>
+++ b/drivers/gpu/drm/amd/include/amd_shared.h<br>
@@ -358,6 +358,18 @@ enum DC_DEBUG_MASK {<br>
* @DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE: If set, disable support for custom brightness curves<br>
*/<br>
DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE = 0x40000,<br>
+<br>
+ /**<br>
+ * @DC_HDCP_LC_FORCE_FW_ENABLE: If set, use HDCP Locality Check FW<br>
+ * path regardless of reported HW capabilities.<br>
+ */<br>
+ DC_HDCP_LC_FORCE_FW_ENABLE = 0x80000,<br>
+<br>
+ /**<br>
+ * @DC_HDCP_LC_ENABLE_SW_FALLBACK If set, upon HDCP Locality Check FW<br>
+ * path failure, retry using legacy SW path.<br>
+ */<br>
+ DC_HDCP_LC_ENABLE_SW_FALLBACK = 0x100000,<br>
};<br>
<br>
enum amd_dpm_forced_level;<br>
-- <br>
2.43.0<br>
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