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path: root/drivers/gpu/drm/i915/i915_params.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_params.c')
-rw-r--r--drivers/gpu/drm/i915/i915_params.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index de43048543e8..edfd1f54a882 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -109,7 +109,8 @@ i915_param_named_unsafe(huc_firmware_path, charp, 0400,
"HuC firmware path to use instead of the default one");
i915_param_named_unsafe(dmc_firmware_path, charp, 0400,
- "DMC firmware path to use instead of the default one");
+ "DMC firmware path to use instead of the default one. "
+ "Use /dev/null to disable DMC and runtime PM.");
i915_param_named_unsafe(gsc_firmware_path, charp, 0400,
"GSC firmware path to use instead of the default one");