drm/i915: taint the kernel if unsafe module parameters are set

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / i915_params.c

diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 7f84dd263ee8966d414341a4d6471d52ca0578c3..9842fd2e742a40d0b83c51f2e9f2dd012e1bc304 100644 (file)
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -66,12 +66,12 @@ module_param_named(powersave, i915.powersave, int, 0600);
 MODULE_PARM_DESC(powersave,
        "Enable powersavings, fbc, downclocking, etc. (default: true)");
 
-module_param_named(semaphores, i915.semaphores, int, 0400);
+module_param_named_unsafe(semaphores, i915.semaphores, int, 0400);
 MODULE_PARM_DESC(semaphores,
        "Use semaphores for inter-ring sync "
        "(default: -1 (use per-chip defaults))");
 
-module_param_named(enable_rc6, i915.enable_rc6, int, 0400);
+module_param_named_unsafe(enable_rc6, i915.enable_rc6, int, 0400);
 MODULE_PARM_DESC(enable_rc6,
        "Enable power-saving render C-state 6. "
        "Different stages can be selected via bitmask values "
@@ -79,7 +79,7 @@ MODULE_PARM_DESC(enable_rc6,
        "For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. "
        "default: -1 (use per-chip default)");
 
-module_param_named(enable_fbc, i915.enable_fbc, int, 0600);
+module_param_named_unsafe(enable_fbc, i915.enable_fbc, int, 0600);
 MODULE_PARM_DESC(enable_fbc,
        "Enable frame buffer compression for power savings "
        "(default: -1 (use per-chip default))");
@@ -113,7 +113,7 @@ MODULE_PARM_DESC(enable_hangcheck,
        "WARNING: Disabling this can cause system wide hangs. "
        "(default: true)");
 
-module_param_named(enable_ppgtt, i915.enable_ppgtt, int, 0400);
+module_param_named_unsafe(enable_ppgtt, i915.enable_ppgtt, int, 0400);
 MODULE_PARM_DESC(enable_ppgtt,
        "Override PPGTT usage. "
        "(-1=auto [default], 0=disabled, 1=aliasing, 2=full)");