From: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Mon, 25 Nov 2013 17:54:36 +0000 (-0800)
Subject: drm/i915: Disallow dynamic ppgtt param modification
X-Git-Url: http://pileus.org/git/?a=commitdiff_plain;h=ad52546e4336661c21b5ae927d8a9349e4a930cd;p=~andy%2Flinux

drm/i915: Disallow dynamic ppgtt param modification

This would have never worked.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 804a139901a..13076db65eb 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -114,7 +114,7 @@ MODULE_PARM_DESC(enable_hangcheck,
 		"(default: true)");
 
 int i915_enable_ppgtt __read_mostly = -1;
-module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600);
+module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0400);
 MODULE_PARM_DESC(i915_enable_ppgtt,
 		"Enable PPGTT (default: true)");