[igt-dev] [PATCH i-g-t 2/2] lib/igt_kmod: Unload mei modules before unloading i915

Daniele Ceraolo Spurio daniele.ceraolospurio at intel.com
Wed Mar 30 18:32:59 UTC 2022


mei_gsc binds to an aux device exposed by i915, so it depends on it and
need to be removed before we can unload i915.
On platforms with a GSC, the mei components (pxp, hdcp) depend on
mei_gsc, so those need to be unloaded first.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Cc: Alexander Usyskin <alexander.usyskin at intel.com>
---
 lib/igt_kmod.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/igt_kmod.c b/lib/igt_kmod.c
index d2ac8a56..28ffe515 100644
--- a/lib/igt_kmod.c
+++ b/lib/igt_kmod.c
@@ -400,6 +400,10 @@ int __igt_i915_driver_unload(const char **who)
 	const char *aux[] = {
 		/* gen5: ips uses symbol_get() so only a soft module dependency */
 		"intel_ips",
+		/* mei_gsc uses an i915 aux dev and the other mei mods depend on it */
+		"mei_pxp",
+		"mei_hdcp",
+		"mei_gsc",
 		NULL,
 	};
 
-- 
2.25.1



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