[Intel-gfx] [PATCH] drm/i915: Set the access right of kernel param "i915.enable_gvt" to read-only.

[Zhi Wang]

The access right of kernel param "i915.enable_gvt" should be read-only as
it only applies during module load (and is not *runtime* writable).

Cc: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Zhi Wang <zhi.a.wang at intel.com>
---
 drivers/gpu/drm/i915/i915_params.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 7effe68..8b13bfa 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -224,6 +224,6 @@ module_param_named(enable_dpcd_backlight, i915.enable_dpcd_backlight, bool, 0600
 MODULE_PARM_DESC(enable_dpcd_backlight,
 	"Enable support for DPCD backlight control (default:false)");
 
-module_param_named(enable_gvt, i915.enable_gvt, bool, 0600);
+module_param_named(enable_gvt, i915.enable_gvt, bool, 0400);
 MODULE_PARM_DESC(enable_gvt,
 	"Enable support for Intel GVT-g graphics virtualization host support(default:false)");
-- 
1.9.1