drm/i915: make rc6 module parameter read-only

People have been getting confused and thinking this is a runtime control.

Cc: [email protected]
Signed-off-by: Jesse Barnes <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index dfa55e7478fb88501bdb73d29edbd14b5f8eecaa..ae8a64f9f8453266326803432156c81219d246ab 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -64,7 +64,7 @@ MODULE_PARM_DESC(semaphores,
                "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
 
 int i915_enable_rc6 __read_mostly = -1;
-module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400);
 MODULE_PARM_DESC(i915_enable_rc6,
                "Enable power-saving render C-state 6. "
                "Different stages can be selected via bitmask values "